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|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 9|
A flow control device having a first port, a second port, a third port and the movable member. In a first mode, the movable member seals the second port while allowing fluid flow between the first and third ports, wherein the differential pressure between the first port and third port, during the first mode, is about zero. In the second mode, the movable member seals the first port while allowing fluid flow between the third port and second port, wherein the movable member is adapted to transition from the first mode to the second mode in response to a s...
The invention claimed is: 1. A flow control device, comprising: a housing assembly including a first seat area circumscribing a first port and a second seat area circumscribing a second port; and a movable member disposed between said first port and said second port, said movable member having a body portion extending along an axis and a flexible rim, wherein the flexible rim has an outer edge that is thinner than an inner portion of the rim, and wherein said movable member moves between sealing engagement with said first seat area and sealing engagemen...