[특허]Fluid relief device

Fluid relief device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-024/04 F16K-037/00 F16K-051/00
출원번호	US-0162729 (1993-12-03)
발명자 / 주소	Goins James R. (Lake Jackson TX) Ogle John W. (Lake Jackson TX) Ogle James R. (Lake Jackson TX)
출원인 / 주소	The Dow Chemical Company (Midland MI 02)
인용정보	피인용 횟수 : 58 인용 특허 : 0

초록 ▼

The present invention discloses a fluid relief device for relieving pressure of a fluid stored in a container or tank, or fluid used in a piece of equipment. In one aspect such a device has a body member with a primary channel therethrough in communication with a container of a contained fluid under pressure. When the pressure of the contained fluid under pressure exceeds a predetermined level, the pressure of the contained fluid moves a cover which is sealingly in place to close off the primary channel. During normal conditions the force of the contained fluid is insufficient to move the cover and leakage of the contained fluid past the cover is inhibited by the provision of a barrier fluid supplied into a barrier fluid chamber to oppose the contained fluid, the barrier fluid at a pressure greater than the normal pressure of the contained fluid. Seals may be provided on one or two sides of the barrier fluid chamber－a first seal to seal the primary channel-chamber interface and a second seal to seal the chamber-exterior interface. Fluid under pressure supplied to the chamber may leak past the first seal into the container. In one aspect an inert barrier fluid, e.g. nitrogen is used. Devices according to this invention may be used with pressure relief devices and vacuum relief devices.

대표청구항 ▼

A fluid pressure relief device for a container adapted to contain fluid at a normal fluid pressure, the fluid pressure relief device openable in response to a predetermined pressure level of fluid in an interior space within the container, the fluid pressure relief device comprising a body with a primary channel therethrough for escape of fluid from the container, the primary channel disposable in fluid communication with the interior space of the container, a cover movably disposed over the primary channel and movable by force of the fluid within the interior space of the container when it reaches a predetermined escape pressure greater than the normal fluid pressure, the cover movable apart from the body and away from the primary channel by said force of the fluid thereby permitting escape of fluid from the interior space of the container through the primary channel, at least two seals between the body and the cover for sealing therebetween, a barrier fluid chamber formed between the at least two seals, and a chamber inlet for supplying a barrier fluid to the barrier fluid chamber at a pressure different from the normal fluid pressure.

이 특허를 인용한 특허 (58)

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Hanawa, Hiroji; Tanaka, Tsutomu; Collins, Kenneth S.; Al-Bayati, Amir; Ramaswamy, Kartik; Nguyen, Andrew, Plasma immersion ion implantation reactor having an ion shower grid.
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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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Fluid relief device 원문보기

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이 특허를 인용한 특허 (58)

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