This good and clean water is wasted. The thermostatically controlled bypass valve according to, 6. A non-electric, thermostatic, automatic controller provides the force for the modulation of the valve stem against the spring. The first end of the valve body has a first inlet port and a first discharge port and the second end has a second inlet port and a second discharge port. Yet another problem associated with the inability to have hot water at the hot water valve when needed is the waste of time for the person who must wait for the water to reach the desired temperature. When the fluid temperature reaches the desired level, the valve is unseated so that fluid that normally circulates through the return line of the system is bypassed through the circulating pump. The thermostatically controlled bypass valve according to, 10. U.S. Pat. SEAFLO 55-Series Water Pump and Accumulator Tank System - 12V DC, 5.5 GPM, 60 PSI, SEAFLO Shower Sump Pump System Box Multi Inlet 12V DC 750GPH with 4-Year Warranty. The water circulating system according to, 35. 1; FIG. 
- Supplied in 2 parts to assemble to pump, - Suitable for Honda Koshin & Loncin 1" water pumps. The threads on the first and second inlet ports and on the first and second discharge ports can have flats or slots thereon. SEAFLO 110V 3.3 GPM 45 PSI Water Diaphragm Pressure Pump - 4 Year Warranty!!! 1 through 7, the preferred embodiment of the thermostatically controlled bypass valve of the present invention is designated generally as, For ease of installation of the bypass valve, Although not entirely demonstrated in early tests, it is believed that beneficial toggle action can be achieved with a bypass valve, In an alternative embodiment of the present invention, a snap-in cartridge check valve, In order to achieve the desired circulation flow, a single circulating pump, In the preferred embodiment, bypass valve, If the hot water valve is turned on with the thermal element, MODE I: Water In Hot Water Supply Line Hot, Pump On, A. 
The thermostatically controlled bypass valve according to, 5. 
In addition, a flow switch can be connected to the pump for detecting the flow rate of the water in the hot water piping system and for shutting off the pump when the flow in the hot water piping system exceeds the flow rate capacity of the bypass valve. The screen can be configured to be cleaned by the movement of water from the first inlet port to the first discharge port. A water circulating system for distributing water, comprising: a fixture configured for utilizing hot and cold water, said fixture having a hot water inlet and a cold water inlet; a hot water heater for supplying hot water to said fixture; a hot water piping system interconnecting said hot water heater with said hot water inlet at said fixture; a source of cold water for supplying cold water to said fixture and said hot water heater; a cold water piping system interconnecting said source of cold water with said cold water inlet at said fixture; and. E. Hot and cold faucet valves both partially open, in any combo Could get tepid to cold leak. In an alternative embodiment of the present invention, the bypass valve. Unable to add item to List. The thermostatically controlled bypass valve according to, 19. Preferably, the mechanism is a screen that is securably held in place by a retaining pin disposed in a retaining pin hole located in the first discharge port. 2, utilizes a thermostatic actuator that extends or retracts its stem portion, having a valve member at its end, to seat or unseat the valve. Support small. 
The fixture has a hot water inlet and a cold water inlet. Boosted, thermally actuated valve systems having valves that are directly operated by a thermal actuator (such as a wax filled cartridge) tend not to have any toggle action. The present invention relates generally to bypass valves for use in home or industrial water distribution systems that supply water to various fixtures at different temperatures through different pipes. A check valve is located in the valve body at its second end to prevent flow of water from the cold water side to the hot water side. The bypass valve can be incorporate integrally into the fixture. World-class innovation and manufacturing of severe service industry products since 1967Headquarters: 96 Phoenix Avenue | Enfield, CT 06082-4408, USA | 860.749.0761 | [email protected], Copyright 2012-2022 Conval, Inc. All rights reserved.ISO 9001 Certified Since 1992 | Site created by Thomas Marketing Services. The use of bypass valves and/or water recirculation systems in home or industrial water distribution systems to overcome the problems described above have been known for some time. The bypass valve has a valve body with a thermally sensitive actuator disposed between the hot water inlet and discharge ports and the cold water inlet and discharge ports that is thermally responsive to the temperature of the water. The CLAMPSEAL Valve line provides a modular solution to rising maintenance expenses. E. Hot and cold faucets both partially open in any combination Could get tepid to cold leak. The thermostatically controlled bypass valve according to, 15. The water circulating system according to, 29. A check valve can be placed on the cold water side to prevent the flow of cold water through the bypass valve when only the hot water side is flowing. 
2 and 5 therein. Hot and cold faucet valves fully closed Thermal actuator, C. Hot faucet valve fully open, cold faucet valve closed Actuator element, D. Hot faucet valve closed, cold faucet valve fully open Actuator element, E. Hot and cold faucet valves both partially open in any combination Actuator element, MODE II: Water in Hot Water Supply Line Hot, Pump Off, A. The temperature responsive element is a metallic bellows that extends when it is heated to close the valve ball against the valve seat and contracts when cooled to allow water to flow from the hot side to the cold side of the piping system when both the hot and cold water valves are closed. Flood Prevention and Protection Equipment Hydrosacks and Hydrosnakes. A thermostatically controlled bypass valve for bypassing water away from a hot water valve until the water temperature reaches a desired level at a fixture in use for home or industrial applications. 
Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. The typical water distribution system brings water in from an external source, such as a city main water line or a private water well, to the internal water distribution piping system. 3 is a cross-sectional side view of the valve body of the bypass valve of FIG. The Clampseal pressure-actuated backseat provides maximum valve integrity by ensuring a positive internal stop for the valve stem and disc assembly. MODE IV: Water In Hot Water Supply Line Cooled Off, Pump Off, C. Hot faucet valve fully open, cold faucet valve fully closed Thermal actuator, D. Hot faucet valve closed. A thermally sensitive actuating element is disposed in the interior of the valve body at its first end. The water circulating system according to, Thermostatically controlled bypass valve and water circulating system for same, Application filed by Grundfos Pumps Manufacturing Corp, Assigned to GRUNFOS PUMPS MANUFACTURING CORPORATION. For certain fixtures, such as dishwashers and washing machines, there typically is no method of draining away the cold or tepid water in the hot water pipes prior to utilizing the water in the fixture. 
In extreme environments, the simpler the design and the fewer the parts, the better. an over-travel spring disposed between said spring retaining means and said actuating element, said over-travel spring urging said actuating body against said internal shoulder. These pumps are typically placed in the hot water line in close proximity to the faucet where instant hot water is desired. 
Tepid to cold leak would be short term. The water circulating system according to, 42. When the hot water side of these fixtures is left closed for some time (i.e., overnight), the hot water in the hot water segment of the piping system sits in the pipes and cools. At the sink, bathtub or shower fixture located away from the water heater, the person desiring to use the fixture will either have to use cold or tepid water instead of hot water or wait for the distribution system to supply hot water through the open hot water valve. A bias spring is located in the valve body between the separating wall and the actuating body to urge the rod member toward the actuating body so as to open the passage. Conval has met the increasing demand of fossil power energy utilities for nearly half a century. One segment of the piping system takes this incoming cold water and distributes it to the various cold water connections located at the fixture where it will be used (i.e., the cold water side of the faucet at the kitchen sink). The thermostatically controlled bypass valve according to, 12. Although the invention described in the Peters' patent relies on gravity or convection flow, similar systems utilizing pumps to cause a positive circulation are increasingly known. 21m max head
These valves utilize thermally responsive wax actuators that push valve elements against springs to open or close the valves to allow fluid of certain temperatures to pass. A thermostatically controlled bypass valve, comprising: a generally tubular valve body having a first end, a second end and a separating wall therebetween, said first end having a first inlet port and a first discharge port, said second end having a second inlet port and a second discharge port, said separating wall having a passage therein interconnecting said first end and said second end of said tubular valve body; a thermally sensitive actuating element disposed in said valve body, said actuating element having an actuating body and a rod member, said rod member configured to operatively extend from said actuating body and sealably abut said passage in said separating wall; a bias spring disposed in said valve body between said separating wall and said actuating body of said actuating element and operative to urge said rod member toward said actuating body to open said passage in said separating wall; spring retaining means disposed in said valve body at said first end of said tubular valve body; and. In the drawings which illustrate the best modes presently contemplated for carrying out the present invention: FIG. The thermostatically controlled bypass valve according to, 22. It is also an important objective of the present invention to provide a thermostatically controlled bypass valve that has a check valve in the cold water side of the bypass valve to prevent the flow of water from the cold water piping system to the hot water piping system. When the water from the hot water heater reaches the desired temperature level at the bypass valve, the bypass valve closes and hot water is made available to the hot water side of the fixture. Inside the housing at the cold water side is a dual action check valve that prevents cold water from flowing to the hot water side of the piping system when the hot water valve or the cold water valve is open. A well known problem common to most home and industrial water distribution systems is that hot water is not always readily available at the hot water side of the fixture when it is desired. The bypass valve can be configured to be integral with a fixture, such as a faucet, shower, bathtub, washing machine or dishwasher, for use in a water distribution system having a hot water heater. A water circulating system for distributing water, comprising: a cold water piping system interconnecting said source of cold water with said cold water inlet at said fixture; a thermostatically controlled bypass valve at said fixture, said bypass valve comprising a generally tubular valve body having a first end, a second end and a separating wall therebetween, said first end having a first inlet port and a first discharge port, said second end having at least one port, said bypass valve interconnecting said hot water piping system and said hot water inlet and interconnecting said cold water piping system and said cold water inlet, said bypass valve configured to bypass water from said hot water piping system to said cold water piping system until the water in said hot water piping system reaches a preset temperature value; and. The valve body has a positioning shoulder in its first end such that the actuating element abuts against this shoulder. 
There was an error retrieving your Wish Lists. The thermostatically controlled bypass valve according to, 14. 
This system utilizes a circulating pump in the return line to the water heater and a temperature responsive or thermostatically actuated bypass valve disposed between the circulating pump and the hot water heater to maintain a return flow temperature at a level below that at the outlet from the water heater. No. Valves for the world's most demanding applications with a global team of experts to help to meet your most challenging needs. a single pump in said hot water piping system prior to the first branch of said hot water piping system leading to said fixture having said bypass valve, said pump configured to pump water through said hot water piping system to said hot water inlet on said fixture. The thermostatically controlled bypass valve according to, 20. One such problem is the waste of water that flows out of the fixture through the drain and, typically, to the sewage system. The durable single-piece stainless steel gland contributes to the longevity of the valve. Please try again. 
Copyright 2021 All Rights Reserved I WebCreationUK -, Surface Mounted Pumps Electric Motor Driven Pumps, Surface Mounted Pumps Engine Driven Pumps, Swimming Pool Filtering and Recirculation Chlorine Water Pumps, Pump Fittings Accessories and Fluid Handling Components, Float Switches Probes and Water Level Controls, Electronic Pump Controllers and Pressure Switches, Pressure Switches for Booster Sets with Pressure Vessels, Pressure Boosting System Brass Fittings and Braided Hoses, Cartridge Filters Suction Filters Foot Valve Filters Inline Filters, Check Valves Non Return Valves Back Flow Preventors, Cam Lever and Dry Break Couplings and Claw Connectors, Flow Meters Fuel Oil Diesel Petrol Chemicals Adblue and Water, Control Panels for Surface Mounted and Submersible Pumps, Show All Pump Fittings Accessories and Fluid Handling Components, Waste Water/Toilet Pumping Units and Sewage Pumping Stations, Loopak Domestic Toilet Macerator Pumping Unit, Dab Novabox 30/300 Self Contained Waste Water Pumping Unit, JS Pump Box Self-Contained Waster Water Pumping Units, Mini Single Pump Waste Water and Sewage Lifting Stations, Show All Waste Water/Toilet Pumping Units and Sewage Pumping Stations, Emergency Pump Floodbox Kits with Floodsax, FloodMate Pump Flood Protection Kits with Hydrosacks, FloodBuddy Pump Complete Flood Dewatering Set, Flood Protection Pump Kits with Hydrosacks and Generator. PATENTED CASE. 
Substantially warmed water in the cold water piping system is also undesirable as it requires re-adjustment of shower or tap valves to maintain a constant mix temperature while the tepid water is exhausted from the cold water pipe and replaced with cold water. 38. Assignors: HARRIS, KEITH, LUM, KEN, KEMPF, DALE, https://patents.darts-ip.com/?family=24801445&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US6536464(B1). Seaflo 12V 3.0 GPM 55 PSI Quick Connect Water Pressure Diaphragm Pump with Internal Bypass Valve to reduce cycling. 
A mechanism for cyclically operating the pump can be used to reduce electrical demand and wear and tear on the pump and bypass valve. Incorporated in 1967, Conval has now grown to be the premier manufacturer of high quality, high pressure forged steel valves in the world. The water circulating system according to, 40. GRUNFOS PUMPS MANUFACTURING CORPORATION, CALIFORNI, Free format text: The pressure actuated backseat also extends packing life by securely isolating the packing from the pressure when the valve is fully open. 39. That is to say, the present invention provides a thermostatically controlled bypass valve placed at or near a fixture to automatically bypass cold or tepid water away from the hot water side of the fixture until the temperature of the water reaches the desired level. One problem is having to utilize cold or tepid water when hot water is desired. An alternative embodiment of the Peters' invention shows the use of a spiral temperature responsive element having a finger portion that moves left or right to close or open the valve between the hot and cold water piping segments. 
The thermostatically controlled bypass valve according to, 8. 
U.S. Pat. A recirculating system for domestic and industrial hot water heating utilizing a bypass valve is disclosed in U.S. Pat. An orifice can be located in the discharge of the pump to achieve the desired steep flow-head curve from available stock pumps. 
As such, when the bypass valve is bypassing water the hot and cold water circulating systems form a loop. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). As a result, the temperature of the water between the hot water heater and the fixture lowers until it becomes cold or at least tepid. In the preferred embodiment, the first and second inlet ports are axially disposed on the valve body, the first and second discharge ports are radially disposed on the valve body and the actuating element is a wax-filled cartridge actuator. The thermostatically controlled bypass valve according to, 25. This product is from a small business brand. The water circulating system according to, 46. 8 is chart showing the operational characteristics of the bypass valve of the present invention when in use with a water distribution system. The water circulating system according to, 32. The thermostatically controlled bypass valve according to, 9. This waste of water is compounded when the person is inattentitive and hot water begins flowing down the drain and to the sewage system. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them. Simple and rugged with a wide range of strainer element hole sizes. When opened again, it is not at all uncommon for the hot water side of such a fixture to supply cold water through the hot water valve when it is first opened and for some time thereafter. The system also has a source of cold water, such as the city water supply or a local well, for supplying cold water to the fixture through the cold water piping system that interconnects the source of cold water with the cold water inlet at the fixture. The water circulating system according to, 36. 
If faucet valves at same sink don't care as mixing hot and cold anyway. Socket or integral blowoff valve option available on all sizes. It is also an important objective of the present invention to provide a thermostatically controlled bypass valve that utilizes a thermally sensitive actuating element having a rod member configured to open and close a passage between the hot and cold sides of the bypass valve based on the temperature of the water adjacent to the fixture. Most users have learned that to obtain the desired hot water, the hot water valve must be opened and left open for some time so that the cool water in the hot water side of the piping system will flow out ahead of the hot water. More particularly, the present invention relates to such bypass valves that are thermostatically controlled so as to automatically bypass water that is not at the desired temperature for use at the fixture. The water circulating system according to, 41. It is also an important objective of the present invention to provide a thermostatically controlled bypass valve that utilizes a pump in the hot water piping system to circulate water from the hot water piping system to the cold water piping system through the bypass valve until the temperature of the water in the hot water piping system reaches a preset level. discloses the use of a bypass valve located below a sink to divert cold water from the hot water faucet to the sewer or a water reservoir. La photo et la pompe (couleur,, connection )tait La photo et la pompe (couleur,, connection )tait diffrent sur l'annonce mais d'un ct j'aime mieux les connecteur visant,, pour la couleur je m'en fout pas mal et elle a les mmes caractristiques et les mmes performance. The thermostatically controlled bypass valve according to, 4. The thermostatically controlled bypass valve according to, 11. The water circulating system according to, 30. 
Top subscription boxes right to your door, 1996-2022, Amazon.com, Inc. or its affiliates, Learn more how customers reviews work on Amazon. The water circulating system according to, 47. 5, the bypass valve is used in conjunction with a separate temperature sensor. 7 is a side elevation view showing a water distribution system and fixture utilizing the bypass valve of the present invention; and. The thermostatically controlled bypass valve according to, 21. (Machine-translation by Google Translate, not legally binding), Water saving system for reducing cold water from a hot tap when the tap is first turned on, Mixing valve including a molded waterway assembly, Capacitive sensing system and method for operating a faucet, Thermostatic mixing valve with tamper resistant adjustment feature, Electronic faucet with a capacitive sensing system and a method therefor, Water delivery system and method for making hot water available in a domestic hot water installation, Capacitive sensing apparatus and method for faucets, Faucet including a pullout wand with a capacitive sensing, Capacitive user interface for a faucet and method of forming, Resistive coupling for an automatic faucet, System for recirculating water between cold water and hot water pipes, System and Method for Conserving Water Supplied by a Hot Water Tank, The sprinkler of mixed on demand with external bypass circulation, Multistage automated thermal balancing valve, Thermostatically controlled water bypass valve, Thermostatically controlled water supply system, Multi-controlled water conservation system for hot water lines with low pressure utilization disable, Hydronic heating water temperature control system, Hydronic heating water temperature control valve, Temperature-controlled water delivery system, Residential hot water circulation system and associated method, Fluid delivery device with an in-water capacitive sensor, Improvements to system of water conservation, Diverter module for conserving water supplied by a hot water tank, Water control fixture having auxiliary functions, Water circulation system valve assemblies having water temperature control. While there is shown and described herein certain specific alternative forms of the invention, it will be readily apparent to those skilled in the art that the invention is not so limited, but is susceptible to various modifications and rearrangements in design and materials without departing from the spirit and scope of the invention. This detracts from the users expectation of thermal bypass valve performance. The water circulating system according to, 48. A bias spring pushes against the piston on the thermal actuator to close the actuator and open a passage between the cold and hot water sides when water needs to be bypassed. Accordingly, the primary objective of the present invention is to provide a thermostatically controlled bypass valve that is suitable for bypassing water from a hot water piping system to a cold water piping system at a fixture until the temperature of the water in the hot water piping system rises to a preset level for use at the fixture. The Axial design ensures tight concentricity, which eliminates side loading of the packing and minimizes wear forces on the trim components. Despite the devices and systems set forth above, many people still have problems with obtaining hot water at the hot water side of fixtures located away from the hot water heater or other source of hot water. Unlike older massive designs with limited serviceability, the CLAMPSEAL unit tandem valve offers compactness, lighter weight and easy maintainability as well as longevity of service. 
If at remote sinks probably not noticeable. 
Preferably, the valve body is manufactured from a plastic material that is suitable for injection molding. Flexible hoses attach the inlet and discharge ports on the hot and cold water sides to the hot and cold water supply systems and the hot and cold water valves on the fixture. The water circulating system according to, 34. FIG. The water from the external source is typically either at a cold or cool temperature. Tepid to cold leak would be short term. 
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- Supplied in 2 parts to assemble to pump, - Suitable for Honda Koshin & Loncin 1" water pumps. The threads on the first and second inlet ports and on the first and second discharge ports can have flats or slots thereon. SEAFLO 110V 3.3 GPM 45 PSI Water Diaphragm Pressure Pump - 4 Year Warranty!!! 1 through 7, the preferred embodiment of the thermostatically controlled bypass valve of the present invention is designated generally as, For ease of installation of the bypass valve, Although not entirely demonstrated in early tests, it is believed that beneficial toggle action can be achieved with a bypass valve, In an alternative embodiment of the present invention, a snap-in cartridge check valve, In order to achieve the desired circulation flow, a single circulating pump, In the preferred embodiment, bypass valve, If the hot water valve is turned on with the thermal element, MODE I: Water In Hot Water Supply Line Hot, Pump On, A. The thermostatically controlled bypass valve according to, 5. In addition, a flow switch can be connected to the pump for detecting the flow rate of the water in the hot water piping system and for shutting off the pump when the flow in the hot water piping system exceeds the flow rate capacity of the bypass valve. The screen can be configured to be cleaned by the movement of water from the first inlet port to the first discharge port. A water circulating system for distributing water, comprising: a fixture configured for utilizing hot and cold water, said fixture having a hot water inlet and a cold water inlet; a hot water heater for supplying hot water to said fixture; a hot water piping system interconnecting said hot water heater with said hot water inlet at said fixture; a source of cold water for supplying cold water to said fixture and said hot water heater; a cold water piping system interconnecting said source of cold water with said cold water inlet at said fixture; and. E. Hot and cold faucet valves both partially open, in any combo Could get tepid to cold leak. In an alternative embodiment of the present invention, the bypass valve. Unable to add item to List. The thermostatically controlled bypass valve according to, 19. Preferably, the mechanism is a screen that is securably held in place by a retaining pin disposed in a retaining pin hole located in the first discharge port. 2, utilizes a thermostatic actuator that extends or retracts its stem portion, having a valve member at its end, to seat or unseat the valve. Support small. The fixture has a hot water inlet and a cold water inlet. Boosted, thermally actuated valve systems having valves that are directly operated by a thermal actuator (such as a wax filled cartridge) tend not to have any toggle action. The present invention relates generally to bypass valves for use in home or industrial water distribution systems that supply water to various fixtures at different temperatures through different pipes. A check valve is located in the valve body at its second end to prevent flow of water from the cold water side to the hot water side. The bypass valve can be incorporate integrally into the fixture. World-class innovation and manufacturing of severe service industry products since 1967Headquarters: 96 Phoenix Avenue | Enfield, CT 06082-4408, USA | 860.749.0761 | [email protected], Copyright 2012-2022 Conval, Inc. All rights reserved.ISO 9001 Certified Since 1992 | Site created by Thomas Marketing Services. The use of bypass valves and/or water recirculation systems in home or industrial water distribution systems to overcome the problems described above have been known for some time. The bypass valve has a valve body with a thermally sensitive actuator disposed between the hot water inlet and discharge ports and the cold water inlet and discharge ports that is thermally responsive to the temperature of the water. The CLAMPSEAL Valve line provides a modular solution to rising maintenance expenses. E. Hot and cold faucets both partially open in any combination Could get tepid to cold leak. The thermostatically controlled bypass valve according to, 15. The water circulating system according to, 29. A check valve can be placed on the cold water side to prevent the flow of cold water through the bypass valve when only the hot water side is flowing. 2 and 5 therein. Hot and cold faucet valves fully closed Thermal actuator, C. Hot faucet valve fully open, cold faucet valve closed Actuator element, D. Hot faucet valve closed, cold faucet valve fully open Actuator element, E. Hot and cold faucet valves both partially open in any combination Actuator element, MODE II: Water in Hot Water Supply Line Hot, Pump Off, A. The temperature responsive element is a metallic bellows that extends when it is heated to close the valve ball against the valve seat and contracts when cooled to allow water to flow from the hot side to the cold side of the piping system when both the hot and cold water valves are closed. Flood Prevention and Protection Equipment Hydrosacks and Hydrosnakes. A thermostatically controlled bypass valve for bypassing water away from a hot water valve until the water temperature reaches a desired level at a fixture in use for home or industrial applications. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. The typical water distribution system brings water in from an external source, such as a city main water line or a private water well, to the internal water distribution piping system. 3 is a cross-sectional side view of the valve body of the bypass valve of FIG. The Clampseal pressure-actuated backseat provides maximum valve integrity by ensuring a positive internal stop for the valve stem and disc assembly. MODE IV: Water In Hot Water Supply Line Cooled Off, Pump Off, C. Hot faucet valve fully open, cold faucet valve fully closed Thermal actuator, D. Hot faucet valve closed. A thermally sensitive actuating element is disposed in the interior of the valve body at its first end. The water circulating system according to, Thermostatically controlled bypass valve and water circulating system for same, Application filed by Grundfos Pumps Manufacturing Corp, Assigned to GRUNFOS PUMPS MANUFACTURING CORPORATION. For certain fixtures, such as dishwashers and washing machines, there typically is no method of draining away the cold or tepid water in the hot water pipes prior to utilizing the water in the fixture. In extreme environments, the simpler the design and the fewer the parts, the better. an over-travel spring disposed between said spring retaining means and said actuating element, said over-travel spring urging said actuating body against said internal shoulder. These pumps are typically placed in the hot water line in close proximity to the faucet where instant hot water is desired. Tepid to cold leak would be short term. The water circulating system according to, 42. When the hot water side of these fixtures is left closed for some time (i.e., overnight), the hot water in the hot water segment of the piping system sits in the pipes and cools. At the sink, bathtub or shower fixture located away from the water heater, the person desiring to use the fixture will either have to use cold or tepid water instead of hot water or wait for the distribution system to supply hot water through the open hot water valve. A bias spring is located in the valve body between the separating wall and the actuating body to urge the rod member toward the actuating body so as to open the passage. Conval has met the increasing demand of fossil power energy utilities for nearly half a century. One segment of the piping system takes this incoming cold water and distributes it to the various cold water connections located at the fixture where it will be used (i.e., the cold water side of the faucet at the kitchen sink). The thermostatically controlled bypass valve according to, 12. Although the invention described in the Peters' patent relies on gravity or convection flow, similar systems utilizing pumps to cause a positive circulation are increasingly known. 21m max head
These valves utilize thermally responsive wax actuators that push valve elements against springs to open or close the valves to allow fluid of certain temperatures to pass. A thermostatically controlled bypass valve, comprising: a generally tubular valve body having a first end, a second end and a separating wall therebetween, said first end having a first inlet port and a first discharge port, said second end having a second inlet port and a second discharge port, said separating wall having a passage therein interconnecting said first end and said second end of said tubular valve body; a thermally sensitive actuating element disposed in said valve body, said actuating element having an actuating body and a rod member, said rod member configured to operatively extend from said actuating body and sealably abut said passage in said separating wall; a bias spring disposed in said valve body between said separating wall and said actuating body of said actuating element and operative to urge said rod member toward said actuating body to open said passage in said separating wall; spring retaining means disposed in said valve body at said first end of said tubular valve body; and. In the drawings which illustrate the best modes presently contemplated for carrying out the present invention: FIG. The thermostatically controlled bypass valve according to, 22. It is also an important objective of the present invention to provide a thermostatically controlled bypass valve that has a check valve in the cold water side of the bypass valve to prevent the flow of water from the cold water piping system to the hot water piping system. When the water from the hot water heater reaches the desired temperature level at the bypass valve, the bypass valve closes and hot water is made available to the hot water side of the fixture. Inside the housing at the cold water side is a dual action check valve that prevents cold water from flowing to the hot water side of the piping system when the hot water valve or the cold water valve is open. A well known problem common to most home and industrial water distribution systems is that hot water is not always readily available at the hot water side of the fixture when it is desired. The bypass valve can be configured to be integral with a fixture, such as a faucet, shower, bathtub, washing machine or dishwasher, for use in a water distribution system having a hot water heater. A water circulating system for distributing water, comprising: a cold water piping system interconnecting said source of cold water with said cold water inlet at said fixture; a thermostatically controlled bypass valve at said fixture, said bypass valve comprising a generally tubular valve body having a first end, a second end and a separating wall therebetween, said first end having a first inlet port and a first discharge port, said second end having at least one port, said bypass valve interconnecting said hot water piping system and said hot water inlet and interconnecting said cold water piping system and said cold water inlet, said bypass valve configured to bypass water from said hot water piping system to said cold water piping system until the water in said hot water piping system reaches a preset temperature value; and. The valve body has a positioning shoulder in its first end such that the actuating element abuts against this shoulder. There was an error retrieving your Wish Lists. The thermostatically controlled bypass valve according to, 14. This system utilizes a circulating pump in the return line to the water heater and a temperature responsive or thermostatically actuated bypass valve disposed between the circulating pump and the hot water heater to maintain a return flow temperature at a level below that at the outlet from the water heater. No. Valves for the world's most demanding applications with a global team of experts to help to meet your most challenging needs. a single pump in said hot water piping system prior to the first branch of said hot water piping system leading to said fixture having said bypass valve, said pump configured to pump water through said hot water piping system to said hot water inlet on said fixture. The thermostatically controlled bypass valve according to, 20. One such problem is the waste of water that flows out of the fixture through the drain and, typically, to the sewage system. The durable single-piece stainless steel gland contributes to the longevity of the valve. Please try again. 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PATENTED CASE. Substantially warmed water in the cold water piping system is also undesirable as it requires re-adjustment of shower or tap valves to maintain a constant mix temperature while the tepid water is exhausted from the cold water pipe and replaced with cold water. 38. Assignors: HARRIS, KEITH, LUM, KEN, KEMPF, DALE, https://patents.darts-ip.com/?family=24801445&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US6536464(B1). Seaflo 12V 3.0 GPM 55 PSI Quick Connect Water Pressure Diaphragm Pump with Internal Bypass Valve to reduce cycling. A mechanism for cyclically operating the pump can be used to reduce electrical demand and wear and tear on the pump and bypass valve. Incorporated in 1967, Conval has now grown to be the premier manufacturer of high quality, high pressure forged steel valves in the world. The water circulating system according to, 40. GRUNFOS PUMPS MANUFACTURING CORPORATION, CALIFORNI, Free format text: The pressure actuated backseat also extends packing life by securely isolating the packing from the pressure when the valve is fully open. 39. That is to say, the present invention provides a thermostatically controlled bypass valve placed at or near a fixture to automatically bypass cold or tepid water away from the hot water side of the fixture until the temperature of the water reaches the desired level. One problem is having to utilize cold or tepid water when hot water is desired. An alternative embodiment of the Peters' invention shows the use of a spiral temperature responsive element having a finger portion that moves left or right to close or open the valve between the hot and cold water piping segments. The thermostatically controlled bypass valve according to, 8. U.S. Pat. A recirculating system for domestic and industrial hot water heating utilizing a bypass valve is disclosed in U.S. Pat. An orifice can be located in the discharge of the pump to achieve the desired steep flow-head curve from available stock pumps. As such, when the bypass valve is bypassing water the hot and cold water circulating systems form a loop. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). As a result, the temperature of the water between the hot water heater and the fixture lowers until it becomes cold or at least tepid. In the preferred embodiment, the first and second inlet ports are axially disposed on the valve body, the first and second discharge ports are radially disposed on the valve body and the actuating element is a wax-filled cartridge actuator. The thermostatically controlled bypass valve according to, 25. This product is from a small business brand. The water circulating system according to, 46. 8 is chart showing the operational characteristics of the bypass valve of the present invention when in use with a water distribution system. The water circulating system according to, 32. The thermostatically controlled bypass valve according to, 9. This waste of water is compounded when the person is inattentitive and hot water begins flowing down the drain and to the sewage system. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them. Simple and rugged with a wide range of strainer element hole sizes. When opened again, it is not at all uncommon for the hot water side of such a fixture to supply cold water through the hot water valve when it is first opened and for some time thereafter. The system also has a source of cold water, such as the city water supply or a local well, for supplying cold water to the fixture through the cold water piping system that interconnects the source of cold water with the cold water inlet at the fixture. The water circulating system according to, 36. If faucet valves at same sink don't care as mixing hot and cold anyway. Socket or integral blowoff valve option available on all sizes. It is also an important objective of the present invention to provide a thermostatically controlled bypass valve that utilizes a thermally sensitive actuating element having a rod member configured to open and close a passage between the hot and cold sides of the bypass valve based on the temperature of the water adjacent to the fixture. Most users have learned that to obtain the desired hot water, the hot water valve must be opened and left open for some time so that the cool water in the hot water side of the piping system will flow out ahead of the hot water. More particularly, the present invention relates to such bypass valves that are thermostatically controlled so as to automatically bypass water that is not at the desired temperature for use at the fixture. The water circulating system according to, 41. It is also an important objective of the present invention to provide a thermostatically controlled bypass valve that utilizes a pump in the hot water piping system to circulate water from the hot water piping system to the cold water piping system through the bypass valve until the temperature of the water in the hot water piping system reaches a preset level. discloses the use of a bypass valve located below a sink to divert cold water from the hot water faucet to the sewer or a water reservoir. La photo et la pompe (couleur,, connection )tait La photo et la pompe (couleur,, connection )tait diffrent sur l'annonce mais d'un ct j'aime mieux les connecteur visant,, pour la couleur je m'en fout pas mal et elle a les mmes caractristiques et les mmes performance. The thermostatically controlled bypass valve according to, 4. The thermostatically controlled bypass valve according to, 11. The water circulating system according to, 30. Top subscription boxes right to your door, 1996-2022, Amazon.com, Inc. or its affiliates, Learn more how customers reviews work on Amazon. The water circulating system according to, 47. 5, the bypass valve is used in conjunction with a separate temperature sensor. 7 is a side elevation view showing a water distribution system and fixture utilizing the bypass valve of the present invention; and. The thermostatically controlled bypass valve according to, 21. (Machine-translation by Google Translate, not legally binding), Water saving system for reducing cold water from a hot tap when the tap is first turned on, Mixing valve including a molded waterway assembly, Capacitive sensing system and method for operating a faucet, Thermostatic mixing valve with tamper resistant adjustment feature, Electronic faucet with a capacitive sensing system and a method therefor, Water delivery system and method for making hot water available in a domestic hot water installation, Capacitive sensing apparatus and method for faucets, Faucet including a pullout wand with a capacitive sensing, Capacitive user interface for a faucet and method of forming, Resistive coupling for an automatic faucet, System for recirculating water between cold water and hot water pipes, System and Method for Conserving Water Supplied by a Hot Water Tank, The sprinkler of mixed on demand with external bypass circulation, Multistage automated thermal balancing valve, Thermostatically controlled water bypass valve, Thermostatically controlled water supply system, Multi-controlled water conservation system for hot water lines with low pressure utilization disable, Hydronic heating water temperature control system, Hydronic heating water temperature control valve, Temperature-controlled water delivery system, Residential hot water circulation system and associated method, Fluid delivery device with an in-water capacitive sensor, Improvements to system of water conservation, Diverter module for conserving water supplied by a hot water tank, Water control fixture having auxiliary functions, Water circulation system valve assemblies having water temperature control. While there is shown and described herein certain specific alternative forms of the invention, it will be readily apparent to those skilled in the art that the invention is not so limited, but is susceptible to various modifications and rearrangements in design and materials without departing from the spirit and scope of the invention. This detracts from the users expectation of thermal bypass valve performance. The water circulating system according to, 48. A bias spring pushes against the piston on the thermal actuator to close the actuator and open a passage between the cold and hot water sides when water needs to be bypassed. Accordingly, the primary objective of the present invention is to provide a thermostatically controlled bypass valve that is suitable for bypassing water from a hot water piping system to a cold water piping system at a fixture until the temperature of the water in the hot water piping system rises to a preset level for use at the fixture. The Axial design ensures tight concentricity, which eliminates side loading of the packing and minimizes wear forces on the trim components. Despite the devices and systems set forth above, many people still have problems with obtaining hot water at the hot water side of fixtures located away from the hot water heater or other source of hot water. Unlike older massive designs with limited serviceability, the CLAMPSEAL unit tandem valve offers compactness, lighter weight and easy maintainability as well as longevity of service. If at remote sinks probably not noticeable. Preferably, the valve body is manufactured from a plastic material that is suitable for injection molding. Flexible hoses attach the inlet and discharge ports on the hot and cold water sides to the hot and cold water supply systems and the hot and cold water valves on the fixture. The water circulating system according to, 34. FIG. The water from the external source is typically either at a cold or cool temperature. Tepid to cold leak would be short term.
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