[특허]Pressure regulators

[미국특허] Pressure regulators 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G05D-016/08
출원번호	US-0197317 (1994-02-16)
발명자 / 주소	George John A. (Cincinnati OH) Ostand Paul R. (Cincinnati OH) Garrison Timothy M. (Cincinnati OH)
출원인 / 주소	Richards Industries, Inc. (Cincinnati OH 02)
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

A sanitary pressure regulator comprises a pressure sensing chamber, downstream of an orifice, has its upper portion defined by a diaphragm. A valve stem, mounted on the diaphragm, extends downwardly through the orifice and has a plug disposed on the upstream side of the orifice. A valve spring, is disposed in a spring housing and acts through a lower spring retainer to yieldingly resist movement of the valve plug to a position which would restrict fluid flow. The spring housing, compression spring and lower retainer form a unit which can be mounted on and detached from a passage housing. The valve stem is mounted on the diaphragm by a nut which is threaded onto a portion of the stem which projects above the diaphragm. Provision is made to lock the valve stem in an open position to facilitate the use of high pressure fluid in cleaning the regulator. In an alternate embodiment, the valve stem is axially fixed relative to the lower spring retainer and a disc engages the lower surface of the diaphragm. In another embodiment, the valve plug is yieldingly maintained in engagement with the outlet from the orifice to regulate. This embodiment also employs a compression spring and lower spring retainer mounted in a spring housing and further has means for permitting the compression spring to assume its free length so that a second spring, acting on the spring retainer, can dispose the valve stem in an open position and the regulator drained.

대표청구항 ▼

A pressure regulator comprising housing means defining a fluid flow passage having an inlet portion, an outlet portion and orifice means intermediate the inlet and outlet portions, a diaphragm defining, in part one of said flow passage portions, valve means mounted on said diaphragm for movement relative to said orifice means and controlling the effective area of the orifice means as a function of its position relative to the orifice means, means for positioning said valve means, relative to said orifice means, as a function of pressure in one of said flow passage portions, characterized in that said valve means is guided for movement relative to said orifice means solely by means disposed outwardly from said fluid flow passage, which means are not wetted by fluid flowing through the fluid flow passage, whereby cleaning of the regulator is facilitated through by the absence of relative sliding movement between the valve means and a wetted surface of the fluid flow passage.

이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Wears, William E., Fluid valves having dynamic valve trim joints.
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Dukas Sande ; Bailey Kevin ; Friedrichs John ; Cooper Robert ; Durkin David, Gas flow control device for high purity, highly corrosive gas service.
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Zecchi, Stefano; Monti, Andrea, Gas pressure regulator and method for assembling and disassembling the regulator.
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Zecchi, Stefano; Monti, Andrea, Gas pressure regulator and method for assembling and disassembling the regulator.
상세보기
Zecchi, Stefano; Monti, Andrea, Gas pressure regulator and method for assembling and disassembling the regulator.
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Dennis J. Gallant ; John W. Ruehl ; John C. Gray ; Edward W. Catton ; Jerome B. Batta, Manifold and regulator apparatus.
상세보기
Gallant Dennis J. ; Ruehl John W. ; Gray John C. ; Catton Edward W. ; Batta Jerome B., Manifold and regulator apparatus.
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Massengale, Roger; Fry, Stanley E.; McPhee, Charles J., Pressure regulator.
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Massengale, Roger; Fry, Stanley E.; McPhee, Charles J., Pressure regulator.
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Massengale, Roger; Fry, Stanley E.; McPhee, Charles J., Pressure regulator.
상세보기
Massengale, Roger; Fry, Stanley; McPhee, Charles J., Pressure regulator.
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Massengale,Roger; Fry,Stanley E.; McPhee,Charles J., Pressure regulator.
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Massengale,Roger; Fry,Stanley E.; McPhee,Charles J., Pressure regulator.
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Rockwell, Craig V., Pressure regulator apparatus.
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Miyazoe Shinji,JPX ; Katsuta Hiroyuki,JPX ; Tajima Masamichi,JPX, Regulator.
상세보기
Miyazoe Shinji,JPX ; Katsuta Hiroyuki,JPX ; Tajima Masamichi,JPX, Regulator.
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Asai, Yasuharu, Regulator unit.
상세보기
Arlinghaus, Jr., Joseph Wilfred, Sanitary liquid pressure regulator.
상세보기
Arlinghaus, Jr.,Joseph Wilfred, Sanitary liquid pressure regulator.
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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

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[미국특허] Pressure regulators 원문보기