[특허]Hot water re-circulating system

[미국특허] Hot water re-circulating system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-005/00
출원번호	US-0576010 (1995-12-21)
발명자 / 주소	Kaonohi Godfrey K.
대리인 / 주소	Kroll
인용정보	피인용 횟수 : 34 인용 특허 : 7

초록 ▼

A hot water re-circulating system (10) in a building (12) comprising a water pump (36) connected between an auxiliary water return line (28) extending from a hot water faucet (22) to a remote hot water heater (14). The water pump (36) is controlled by a timer/switch (42) located at the hot water faucet (22), so that when the hot water faucet (22) is opened, hot water will come out therefrom. In a second embodiment, two water pumps (82) and (92) are each connected between two auxiliary water return lines (68) and (70) extending from two hot water faucets (58) and (62) to a remote hot water heater (50). Each water pump (82) and (92) is controlled by a timer/switch (88) and (98) located at the hot water faucets (58) and (62), so that when the hot water faucets (58) and (62) are opened, hot water wall come out therefrom.

대표청구항 ▼

[ What is claimed is new and desired to be protected by Letters Patent is set forth in the appended claims:] [1.] A hot water re-circulating system in a building comprising:a) a hot water heater located in the building, said hot water heater having a cold water inlet port and a hot water outlet port;b) a cold water feed line connected to said cold water inlet port of said hot water heater;c) a first hot water faucet located in the building remotely from said hot water heater;d) a second hot water faucet located in the building remotely from said hot water heater;e) a hot water supply line extending between said hot water outlet port of said hot water heater and said first and second hot water faucets;f) a first auxiliary water return line extending between said hot water supply line adjacent said first hot water faucet and said cold water inlet port of said hot water heater;g) a second auxiliary water return line extending between said hot water supply line adjacent said second hot water faucet and said cold water inlet port of said hot water heater;h) means in said first auxiliary water return line comprising a first electrically operated pump for re-circulating cool water standing in said hot water supply line, when said first hot water faucet is closed, back into said hot water heater through said cold water inlet port, so that when said first hot water faucet is opened, hot water will immediately exit through a first spout fluidly connected to said first hot water faucet;i) means in said second auxiliary water return line comprising a second electrically operated water pump for re-circulating cool water standing in said hot water supply line when said second hot water faucet is closed, back into said hot water heater through said cold water inlet port, so that when said second hot water faucet is opened hot water will immediately exit through a second spout fluidly connected to said second hot water faucet; andj) first/timer switch means located adjacent said first hot water faucet upon actuation for energizing said first electrically operated pump and second timer/switch means located adjacent said second hot water faucet upon actuation for energizing said second electrically operated pump to re-circulate the cool water in the first or second auxiliary water return line back into said hot water heater and bring hot water from said hot water heater up through the hot water supply line to the faucet corresponding to the actuated timer/switch means.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Lund William J. (Stockton CA), Accelerated hot water delivery system.
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Drinkwater Don L. (235 Fiske St. Carlisle MA 01741), Anti-freeze assist apparatus.
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Fazekas Dale J. (9212 Kinlock Dr. Indianapolis IN 46256), Control means and process for domestic hot water re-circulating system.
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Ziehm Raymond G. (6650 S. Sheridan Blvd. Littleton CO 80123), Dual mode hot water circulation apparatus.
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Lund William J. (Stockton CA), Hot water demand system suitable for retrofit.
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Laing Nikolaus L. (632 Marsat Court Chula Vista CA 92011) Ludin Ludwig (632 Marsat Court Chula Vista CA 92011), Secondary circulation unit.
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Walsh Paul F. (8 Edwards Rd. Braintree MA 01284), Watersaving recirculating system.
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이 특허를 인용한 특허 (34) 인용/피인용 타임라인 분석

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Hayner, Robert Edward; Hayner, Robert Ashley, Backward-compatible, programmable, and on-demand water heater and recirculation pump control unit and method of using.
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Rodenbeck, Robert W.; Burke, David M.; Sawaski, Joel D., Capacitive coupling arrangement for a faucet.
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Rodenbeck, Robert W; Burke, David M; Sawaski, Joel D, Capacitive coupling arrangement for a faucet.
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Rodenbeck, Robert W.; Burke, David M.; Ensor, Timothy J.; Hall, Lindsey; Koottungal, Paul D., Capacitive sensing apparatus and method for faucets.
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Sawaski, Joel D; Veros, Michael J, Capacitive sensing system and method for operating a faucet.
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Sawaski, Joel D; Veros, Michael J, Capacitive sensing system and method for operating a faucet.
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Burke, David M; Pandini, Fabio, Capacitive touch sensor.
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Davidson, Kyle R.; De Vries, Adam M., Capacitive user interface for a faucet and method of forming.
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Sawaski, Joel D.; Veros, Michael J., Electronic faucet with a capacitive sensing system and a method therefor.
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Rodenbeck, Robert W.; Jonte, Patrick B.; Koottungal, Paul D.; Spangler, Anthony G.; Veros, Michael J.; Marty, Garry R., Electronic user interface for electronic mixing of water for residential faucets.
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Rodenbeck, Robert W.; Jonte, Patrick B.; Koottungal, Paul D.; Spangler, Anthony G.; Veros, Michael J.; Marty, Garry R., Electronic user interface for electronic mixing of water for residential faucets.
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Rodenbeck, Robert W.; Koottungal, Paul D.; Spangler, Anthony G.; Veros, Michael J., Electronic user interface for electronic mixing of water for residential faucets.
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Meehan, Steven Kyle; Sawaski, Joel D; Bellamah, Greg F, Faucet including a pullout wand with a capacitive sensing.
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Vogel,John D., Heat exchanger for instant warm water.
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Pearson, Jr.,Kenneth W., Hot water heater recirculation system and method.
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Saveliev, Michael; Carlson, Kevin; Jersey, Steven T.; Bertsch, Paul H., Mixed beverage dispense system and method.
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Marty, Garry Robin; Davidson, Kyle Robert; Meehan, Steven Kyle; Crowe, Darrell Scott, Mixing valve including a molded waterway assembly.
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Jonte, Patrick B.; Rodenbeck, Robert W.; Burke, David M.; Marty, Garry R., Multi-mode hands free automatic faucet.
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Jonte, Patrick B.; Rodenbeck, Robert W.; Burke, David M.; Marty, Garry R.; Huffington, Todd, Multi-mode hands free automatic faucet.
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Jonte, Patrick B.; Rodenbeck, Robert W.; Burke, David M.; Marty, Garry R.; Huffintgon, Todd, Multi-mode hands free automatic faucet.
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Jonte, Patrick B.; Rodenbeck, Robert W.; Burke, David M.; Marty, Garry Robin, Multi-mode hands free automatic faucet.
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Rodenbeck, Robert W.; Spangler, Anthony G.; Veros, Michael J.; Koottungal, Paul D., Pull-out wand.
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Rodenbeck, Robert W.; Spangler, Anthony G.; Veros, Michael J.; Koottungal, Paul D., Pull-out wand.
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Marty, Garry R.; Sawaski, Joel D.; Thomas, Kurt J.; Davidson, Kyle R., Resistive coupling for an automatic faucet.
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Koottungal, Paul D., Touch sensor.
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Koottungal, Paul D., Touch sensor.
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Davidson, Kyle Robert; Veros, Michael J.; Murray, Austin Ray; Koottungal, Paul D., User interface for a faucet.
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King,Nelson J., Water conservation system.
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Sisk David, Water recirculation manifold.
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[미국특허] Hot water re-circulating system 원문보기

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이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (34) 인용/피인용 타임라인 분석

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이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

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