[특허]Diaphragm pump

Diaphragm pump 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04B-043/06 F04B-009/12 F01L-021/02
출원번호	US-0185831 (1994-01-24)
우선권정보	GB-0016225 (1991-07-26)
국제출원번호	PCT/GB92/01387 (1992-07-21)
§371/§102 date	19940124 (19940124)
국제공개번호	WO-9303280 (1993-02-18)
발명자 / 주소	Brooke Gerard (The Bannut Tree New Inn Lane Avening Gloucestershire GL8 8NB GB2)
인용정보	피인용 횟수 : 59 인용 특허 : 0

초록 ▼

A pump comprises a flexible diaphragm (10) separating a pumping chamber (12) for the fluid to be pumped from a driving chamber (14) for a pressure fluid operating the pump. An outlet (24) for the pressure fluid from the driving chamber is controlled by a valve element (28) that is molded integrally with the diaphragm and with a tension element (36) that draws the valve element to its closing position. Deflection of the diaphragm by the pressure fluid pumps fluid from the pumping chamber and as the deflection increases the valved outlet of the driving chamber is opened against the force of the tension element. Release of the pressure in the driving chamber allows the valve to close again and the tension element ensures that it returns to a position sealing the driving chamber outlet.

대표청구항 ▼

A pressure operated pump comprising a pumping chamber having an inlet opening and an outlet opening for the fluid to be pumped, and a fluid pressure driving chamber, a flexible diaphragm between said pumping and driving chambers being displaceable by fluid pressure in the driving chamber to drive fluid through the pumping chamber between said inlet and outlet openings, the driving chamber having an inlet for the supply of pressure fluid thereto and an outlet for release of the pressure fluid, a valve element for closing said driving chamber outlet comprising a resiliently deformable member connected by a connection means to the diaphragm, and an extensible tension element having a first connection with said valve element and a second connection with a fixed location in said pump, said second connection being spaced from said first connection, said tension element urging the valve element to a position closing said driving chamber outlet, said displacement of the diaphragm being directed towards and away from said driving chamber outlet, and the diaphragm displacement away from said driving chamber outlet extending said tension element and thereby moving the valve element away from said driving chamber outlet.

이 특허를 인용한 특허 (59)

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Huitt, Bruce; Hopping, Peter; Kienman, Rick, Method and apparatus for controlling medical fluid pressure.
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Childers, Robert W., Peritoneal dialysis machine.
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Britton, Andrea (Krensky); Busby, Donald; Callahan, Eric; Childers, Robert; Hopping, Peter; Khorashahi, Seyed; Reese, William; Sharo, Randall; Toczko, Debra; Yue, Li, Peritoneal dialysis machine touch screen user interface.
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Hopping, Peter; Yu, Alex Anping, Peritoneal dialysis machine with variable voltage input control scheme.
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Childers, Robert W.; Eerlingen, Vital; Balteau, Patrick; Belongie, Duane, Peritoneal dialysis system having cassette-based-pressure-controlled pumping.
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(Krensky) Britton, Andrea; Busby, Donald; Callahan, Eric; Childers, Robert; Hopping, Peter; Khorashahi, Seyed; Reese, William; Sharo, Randall; Toczko, Debra; Yue, Li, Peritoneal dialysis systems and methods having graphical user interface.
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Childers, Robert W.; Lauman, Brian, Pumping systems for cassette-based dialysis.
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Childers, Robert W.; Lauman, Brian, Pumping systems for cassette-based dialysis.
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(Krensky) Britton, Andrea; Busby, Donald; Callahan, Eric; Childers, Robert; Hopping, Peter; Khorashahi, Seyed; Reese, William; Sharo, Randall; Toczko, Debra; Yue, Li, Stepper motor driven peritoneal dialysis machine.
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Childers, Robert W.; Eerlingen, Vital; Balteau, Patrick; Belongie, Duane, System for monitoring and controlling peritoneal dialysis.
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Childers, Robert W.; Pan, Lee; Lauman, Brian, Systems and methods for performing peritoneal dialysis.
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Childers,Robert W.; Avoy,Richard; Booras,John; Bowman, Jr.,Joseph H.; Grippo,Paul; Hopping,Andrew D.; Howard,David; Jerrell,Jeffrey W.; Kellam,Benjamin; Lauman,Brian; Shang,Sherwin; Vescovi,David; Ya, Systems, methods and apparatuses for pumping cassette-based therapies.
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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