[특허]Three-way-valve

Three-way-valve 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-011/00
출원번호	US-0788938 (1991-11-07)
우선권정보	JP-0303410 (1990-11-08); JP-0309993 (1991-10-29)
발명자 / 주소	Tsukazaki Hideo (Tokyo JPX)
출원인 / 주소	T.H.I. System Corporation (Tokyo JPX 03)
인용정보	피인용 횟수 : 68 인용 특허 : 0

초록 ▼

A three-way valve includes a cylindrical auxiliary valve shaft (12); a main valve shaft (11) provided within the cylindrical shaft; a cylindrical auxiliary valve plug (10) provided on a tip of the auxiliary valve shaft; a main valve plug (9) provided on a tip of the main valve shaft; a valve body (6); a first port (3) formed in the valve body in a direction of traveling of the main valve shaft; a main valve seat (1) formed around the first port for receiving the main valve plug, the main valve seat and the main valve plug constituting a main valve; an annular auxiliary valve seat (2) for receiving the auxiliary valve plug, the auxiliary valve seat and the auxiliary valve plug constituting an auxiliary valve; a common passage (13) formed between a contact area of the main valve plug with the main valve seat and a contact area of the auxiliary valve plug with the auxiliary seat; a second port (4) formed in the valve body for communicating with the first port via the common passage; a passage (14) formed outside the auxiliary valve seat; and a third port (5) formed in the valve body for communicating with the passage and the second port via the auxiliary valve and the common passage.

대표청구항 ▼

A three-way valve comprising: a hollow bonnet having a cavity therein; a valve body having a central port, first and second annular grooves, concentric with said central port, forming a first annular valve seat between said central port and said first annular groove and a second annular valve seat between said first and second annular grooves, a first port formed in said first annular groove, and a second port formed in said second annular groove; a sealing diaphragm placed between said hollow bonnet and said valve body so as to separate said first and second annular grooves of said valve body from said cavity of said hollow bonnet; a valve shaft provided within said cavity of said hollow bonnet so as to be opposed to said first annular valve seat and movable in the axial direction so that under a thrust, it abuts on said first annular valve seat via said sealing diaphragm to seal a first fluid path between said central port and said first port; and a cylindrical valve shaft provided around said valve shaft within said cavity of said hollow bonnet so as to be opposed to said second annular valve seat and movable in the axial direction so that under a thrust, it abuts on said second annular valve seat via said sealing diaphragm to seal a second fluid path between said first and second ports.

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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

Three-way-valve 원문보기

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이 특허를 인용한 특허 (68)

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