[특허]Solenoid actuated valve with adjustable flow control

Solenoid actuated valve with adjustable flow control 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-031/365
출원번호	US-0846383 (1992-03-05)
발명자 / 주소	Walker Samuel C. (Upland CA)
출원인 / 주소	Southwest Fabricators Corp. (Tucson AZ 02)
인용정보	피인용 횟수 : 71 인용 특허 : 0

초록 ▼

An improved solenoid actuated valve is provided of the type having a fluid pressure-operated diaphragm to move a valve head between open and closed positions. Fluid under pressure at a valve inlet is admitted through a diaphragm port to a control chamber for normally retaining the diaphragm and a valve head carried thereby in the closed position. A solenoid unit is actuatable to vent the control chamber to relieve pressure therein, whereby the fluid pressure at the valve inlet displaces the diaphragm to open the valve head. The opened valve head moves into close proximity with a flow control piston within the control chamber and cooperates therewith to meter fluid outflow from the control chamber in a manner maintaining a minimal or substantially zero pressure differential across the diaphragm. The position of the flow control piston is adjustable to variably select the open position of the valve head in accordance with a desired valve flow rate. Improved filters for the diaphragm port and for the solenoid unit are also disclosed.

대표청구항 ▼

A solenoid actuated valve, comprising: a valve housing having a valve inlet and valve outlet; a valve member disposed generally between said valve inlet and outlet, and movable between open and closed positions for respectively permitting and preventing fluid flow from said valve inlet to said valve outlet; a control chamber adapted to receive pressurized fluid; a pressure-operated diaphragm coupled with said valve member and operable to move said valve member between said open and closed positions, said diaphragm having a flexible portion in fluid pressure communication on opposite sides thereof with said valve inlet and said control chamber; passageway means for admitting fluid from said valve inlet to said control chamber; a solenoid unit for controlling the pressure of fluid within said control chamber, said solenoid unit in one condition permitting the pressure within said control chamber to substantially equal the pressure at said valve inlet whereby the control chamber pressure acts on the diaphragm to hold said valve member in the closed position, and in another condition opening a bleed passage to relieve pressure within said control chamber sufficiently to permit pressure at the valve inlet to move said diaphragm to displace said valve member to the open positions; and flow control means within said control chamber for metering fluid flow from pressure communication with said diaphragm flexible portion within said control chamber to said bleed passage when said valve member is in the open position to maintain a substantially minimum pressure differential across said diaphragm flexible portion.

이 특허를 인용한 특허 (71)

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Walker, Samuel C., Eccentric diaphragm valve.
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Herbert, Kay; Mo, Xiaoxiong; Guler, Fatih; Parsons, Natan E., Electromagnetic apparatus and method for controlling fluid flow.
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Herbert, Kay; Parsons, Natan E.; Mo, Xiaoxiong; Guler, Fatih, Electromagnetic apparatus and method for controlling fluid flow.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Faith; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Faith; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D., Enclosure for automatic bathroom flusher.
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Parsons, Natan E.; Parsons, legal representative, Amy; Guler, Fatih; Cattafe, Michael D.; Marcichow, Martin E., Enclosure for automatic bathroom flusher.
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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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연합인증

Solenoid actuated valve with adjustable flow control 원문보기

초록 ▼

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이 특허를 인용한 특허 (71)

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연합인증

Solenoid actuated valve with adjustable flow control 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (71)

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