[특허]Booster pump with bypass valve integrally formed in gasket

Booster pump with bypass valve integrally formed in gasket 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04B-049/00
출원번호	US-0515453 (1995-08-15)
발명자 / 주소	Zimmermann Oskar (Anaheim CA) Voznick Hal P. (Chino CA)
출원인 / 주소	Shurflo Pump Manufacturing Co. (Santa Ana CA 02)
인용정보	피인용 횟수 : 70 인용 특허 : 0

초록 ▼

A pump comprising a housing including first and second housing sections and a gasket between the first and second housing sections. The housing has a first pumping chamber, an inlet, an inlet passage in the housing leading from the inlet to the pumping chamber, an outlet and an outlet passage in the housing leading from the pumping chamber to the outlet. A pumping member is movable in the pumping chamber to pump fluid through the pump. Inlet and outlet check valves are provided in the inlet and outlet passages, respectively with each of the check valves including a movable valve element. The gasket forms a seal between the first and second housing sections. A bypass passages (140) in the housing leads from a location in the outlet passage downstream of the outlet check valve to a location in the inlet passage upstream of the inlet check valve. A bypass valve is provided and includes a bypass valve seat in the bypass passages, a region of the gasket and a biasing member for biasing the gasket region against the bypass valve seat to close the bypass passage.

대표청구항 ▼

A pump comprising: a housing including first and second housing sections; a gasket between the first and second housing sections; at least one fastener for holding the first and second housing sections together; said housing having at least a first pumping chamber, an inlet, an inlet passage in the housing leading from the inlet to the pumping chamber, an outlet and an outlet passage in the housing leading from the pumping chamber to the outlet; a first pumping member movable in the pumping chamber on an intake stroke whereby a fluid from the inlet passage is drawn into the pumping chamber and a discharge stroke whereby fluid in the pumping chamber is discharged into the outlet passage; a drive for moving the pumping member on the intake and discharge strokes; an inlet check valve in the inlet passage; an outlet check valve in the outlet passage, each of said check valves including a movable valve element and a valve seat; said gasket forming a seal between the first and second housing sections; a bypass passage in said housing leading from a location in the outlet passage downstream of the outlet check valve to a location in the inlet passage upstream of the inlet check valve, the bypass passage including a bypass opening in the gasket; and a bypass valve including a bypass valve seat in the bypass passage, a region of said gasket and a biasing member for biasing said region of the gasket against the bypass valve seat to close the bypass passage, said region of the gasket being responsive to fluid under pressure from the outlet passage exceeding a pressure for moving off of the bypass valve seat to open the bypass passage.

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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Booster pump with bypass valve integrally formed in gasket 원문보기

초록 ▼

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이 특허를 인용한 특허 (70)

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연합인증

Booster pump with bypass valve integrally formed in gasket 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (70)

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