[특허]Microstructure gas valve control

Microstructure gas valve control 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/02 F16K-031/365
출원번호	US-0742368 (1991-08-08)
발명자 / 주소	Bonne Ulrich (Hopkins MN) Ohnstein Thomas R. (Roseville MN)
출원인 / 주소	Honeywell Inc. (Minneapolis MN 02)
인용정보	피인용 횟수 : 151 인용 특허 : 0

초록 ▼

A flow control device includes a housing with separate main flow and flow control (servo) passages between an inlet port and an exit port. A control chamber in the housing is in fluid communication with the servo passage. A flexible membrane forms a partition between the main flow passage and the control chamber. The servo passage includes a variable servo orifice upstream of the control chamber and a fixed orifice downstream of the chamber. When the servo valve is open to permit passage of fluid into the control chamber, the resultant pressure on the membrane maintains the main valve closed. The main valve opens in response to closing the servo valve. The fixed orifice has a profile sufficiently small to provide for an acceptable leak or continuous fluid flow through the device when the servo valve is open, and further provides for a soft start when the servo valve is closed to open the main valve. The fixed orifice, servo valve including a servo valve orifice and electrostatically controlled closure tabs, and a microbridge flow sensing device, are advantageously formed on a monolithic semiconductor chip mounted inside the housing.

대표청구항 ▼

A fluid regulating device including: a valve housing having an inlet port, an exit port, a main passage between the inlet port and the exit port, and a servo passage between the inlet port and the exit port; a control chamber within the housing and in fluid communication with the servo passage; a main valve means including a valve seat in the main passage, and a main valve closure mounted proximate the valve seat and movable against the valve seat to close the main valve means responsive to an increase in fluid pressure within the control chamber, said main valve closure further being movable away from the valve seat to open the main valve means responsive to a decrease in fluid pressure within the control chamber; a fixed orifice in the servo passage for allowing fluid to flow from the control chamber to the exit port, and having a profile of a selected size for restricting the flow of fluid through the fixed orifice, under an unexpected maximum pressure differential across the orifice, to a predetermined maximum amount; and a servo valve means in the servo passage including a servo valve orifice for allowing fluid to flow from the inlet port into the control chamber, and a servo closure mounted proximate the valve orifice for movement between a closed position against the servo valve orifice to prevent the flow of fluid therethrough, and an open position for allowing fluid to flow into the control chamber, wherein the servo closure is maintained normally open to keep the main valve closure against the valve seat, while allowing a continuous and acceptable leakage flow of the fluid, of at most said predetermined amount, from the inlet port to the exit port.

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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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Microstructure gas valve control 원문보기

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Microstructure gas valve control 원문보기

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