[특허]Water flow control system

Water flow control system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/40
출원번호	US-0220624 (1994-03-31)
우선권정보	JP-0180400 (1992-06-15)
발명자 / 주소	Kobayashi Hiroshi (Kita-kyushu JPX) Hayashi Ryosuke (Kita-kyushu JPX) Inokuchi Shoji (Kita-kyushu JPX) Muroya Yukihiro (Kita-kyushu JPX)
출원인 / 주소	Toto Ltd. (Kita-kyushu JPX 03)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

A battery-operated flushing system (10) comprises a flushing valve (34) of the pilot-operated self-closing type having a pressure chamber (46) connected to a pilot conduit (52) controlled by a solenoid valve (50) of the non-latching type. A pressure control valve (48) is disposed between the pressure chamber (46) and the solenoid valve (50) for limiting the static water pressure applied to the solenoid valve (50) when the solenoid valve is closed. The provision for the pressure control valve (48) enables considerable reduction in the power consumption required to lift a solenoid valve plunger against the action of the static hydraulic pressure. Once the plunger is lifted, the non-latching type solenoid valve is energized with a reduced electric current sufficient to hold the valve in its open position. In total, energy consumption per cycle of operation is reduced. Use of the non-latching type solenoid valve permits to avoid malfunction inherently involved in the solenoid valves of the latching type. Various other embodiments are also disclosed.

대표청구항 ▼

A water flow control system comprising: (A) a conduit for water having an inlet and an outlet, said inlet being adapted to be connected to a source of water under a primary water pressure; (B) a solenoid valve of a non-latching type disposed in said conduit to control flow of water through said conduit; (C) a pressure control valve disposed in said conduit upstream of said solenoid valve for reducing the primary pressure and for delivering to said solenoid valve a flow of water under a secondary pressure having a predetermined pressure level generally lower than the primary pressure at said inlet, said control valve comprising: a housing defining a water passage therethrough; a valve seat provided in said housing across said passage; a movable closure member disposed in said housing downstream of said valve seat and cooperating with said valve seat to control flow of water through said passage;... a pressure receptive member disposed in said housing upstream of said valve seat for receiving and responding to the primary pressure at said inlet, said pressure receptive member being coupled to said closure member; and spring means for biasing said closure member away from said valve seat; means for adjustably varying the spring force of said spring means; said closure member and said pressure receptive member being arranged so as to be subjected to the primary pressure in opposite directions so that the hydraulic forces acting thereon due to the primary pressure are substantially counterbalanced; said closure member being responsive to the secondary pressure so as to be biased toward said valve seat; said predetermined pressure level being determined in accordance with the spring force said spring means; and (D) electric control means for controlling said solenoid valve, said electric control means being operable to energize said solenoid valve with an electric current having a first intensity when the opening movement of said solenoid valve is to be initiated and being operable to energize said solenoid valve with an electric current having a second intensity lower than said first intensity when said solenoid valve is to be maintained in its open state.

이 특허를 인용한 특허 (65)

Parsons,Natan E.; Guler,Fatih; Herbert,Kay; Mo,Xiaoxiong; Greene,Gregory P., Automatic bathroom flushers.
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Herbert, Kay; Mo, Xiaoxiong; Krull, Jeff; Daher, Jean F.; Chen, Qiaohong; Vish, Ronald J.; Guler, Fatih; Wang, Xu; Thompson, Stanley O; Carpenter, David L., Automatic faucets.
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Bayley, Graeme S.; Figurski, Mark A.; Kreitzer, Kenneth A.; Renner, Jason M.; Dommisse, Jon A.; McCallum, Terry Lee, Basin and hand drying system.
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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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Schuster, Michael J.; D'Aurelio, Michael J., Control of toilet bowl fill flow.
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Schuster, Michael J.; D'Aurelio, Michael J., Control of toilet bowl fill flow.
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Schuster, Michael J.; D'Aurelio, Michael J., Control of toilet bowl fill flow.
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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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Parsons, Natan E.; Guler, Fatih; Herbert, Kay; Mo, Xiaoxiong; Greene, Gregory P., Electronic faucets for long-term operation.
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Parsons, Natan E.; Guler, Fatih; Herbert, Kay; Mo, Xiaoxiong; Greene, Gregory P., Electronic faucets for long-term operation.
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Evans, Kenneth E.; Pagano, Terrence A.; Parikh, Harshil; Song, Inho; Weber, Eric M., Electronic plumbing fixture fitting.
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Frick, Timothy A.; Parikh, Harshil; Song, Inho; Tucker, W. Randall, Electronic plumbing fixture fitting.
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Parikh, Harshil; Song, Inho, Electronic plumbing fixture fitting.
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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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Schuster,Michael J.; Schneider,Larry Lee, Fastener assembly and method.
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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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Rodenbeck, Robert W.; Spangler, Anthony G.; Veros, Michael J.; Koottungal, Paul D., Fluid delivery device with an in-water capacitive sensor.
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Enomoto, Kazuyuki; Tani, Jyunichi; Nagano, Katsuhiko; Koba, Akihiko, Flush valve device of flush toilet.
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Lee,Kuo Chou; Huang,Tsan Chang; Hsu,Chi Chin, Flush valve structure.
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Bayley, Graeme S.; Figurski, Mark A., Hand dryer with point of ingress dependent air delay and filter sensor.
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Muderlak,Kenneth J., In-wall sensor assembly.
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Loberger, John M.; Renner, Jason M.; Jaworski, Jeffery S.; Thielke, Mark A.; Meyer, Mark A.; Kohlwey, Kevin M.; Carpiaux, Douglas; De Lay, Daniel J.; Walters, Glenn T.; Walters, Richard; Hauser, II, Jon W., Lavatory system.
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Bayley, Graeme S.; Figurski, Mark A.; Perrin, Timothy E.; Loberger, John M.; Renner, Jason M.; Kohlwey, Kevin M.; Dommisse, Jon A.; Pelt, Thomas E., Lavatory system with hand dryer.
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Bayley, Graeme S.; Figurski, Mark A., Lavatory with dual plenum hand dryer.
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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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Loberger, John M.; Kluck, Scott M.; Haas, William L.; Dodge, Jason T., Multi-function fixture for a lavatory system.
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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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Jonte, Patrick B; Rodenbeck, Robert W; Burke, David M; Marty, Garry R, Multi-mode hands free automatic faucet.
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Figurski, Mark A.; Rundberg, Michelle L.; Loberger, John M.; McCallum, Terry Lee; Gallmann, Dale William; Renner, Jason M.; Jaworski, Jeffery S.; Dhein, Theodore E., Multi-purpose hand washing station.
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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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Blanke Willfried,DEX, Self-closing valve.
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Aparicio Jesse L. ; Carroll Daniel J. ; Vuong Nhon T., Sensor-operated solenoid direct drive flush valve.
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Bayley, Graeme S.; Dykowski, Richard G.; Kohlwey, Kevin M.; Renner, Jason M., Soap dispenser having fluid level sensor.
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Gauthier, Jerome M.; Vuong, Nhon T., System for remote operation of a personal hygiene or sanitary appliance.
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Schuster, Michael J.; D'Aurelio, Michael J., Toilet bowl water level indication.
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Schuster, Michael J.; D'Aurelio, Michael J., Toilet bowl water level indication.
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Schuster, Michael J.; D'Aurelio, Michael J., Toilet bowl water level indication.
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Schuster, Michael J.; Schneider, Larry, Toilet fill valve.
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Schuster, Michael J.; Schneider, Larry, Toilet fill valve.
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Schuster, Michael J.; Schneider, Larry, Toilet fill valve lock and method.
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Schuster, Michael J.; Schneider, Larry, Toilet fill valve lock and method.
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Schuster, Michael J., Toilet fill valve with adjustable bowl fill flow.
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Schuster, Michael J.; Schneider, Larry, Toilet fill valve with adjustable bowl fill flow.
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Schuster, Michael J.; Schneider, Larry, Toilet fill valve with adjustable bowl fill flow.
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Schuster, Michael J.; Schneider, Larry, Toilet fill valve with adjustable bowl fill flow.
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Schuster, Michael J., Toilet fill valve with valve lock.
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Schuster, Michael J.; Schneider, Larry L., Toilet fill valve with valve lock.
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Schuster, Michael J.; Schneider, Larry L., Toilet fill valve with valve lock.
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Parsons, Natan E.; Guler, Fatih; Herbert, Kay; Mo, Xiaoxiong; Hadley, David, Toilet flusher for water tanks with novel valves and dispensers.
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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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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Water flow control system 원문보기

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Water flow control system 원문보기

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이 특허를 인용한 특허 (65)

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