发明名称 Vacuum pump valve
摘要 A vacuum pump valve includes a valve body and a suction diaphragm. The valve body includes a sealing platform sealedly attached on the container at the opening thereof, and a guiding sleeve upwardly extended from the sealing platform to form a suction channel, wherein the sealing platform has an operation slot formed thereon at a position within the suction channel and at least a through ventilating groove communicating the receiving cavity of the container with an exterior thereof. The suction diaphragm is disposed within the suction channel of the valve body, including an enlarged sealing head adapted to seal on the sealing platform to enclose the ventilating groove thereof, and a guiding shaft extended from the sealing head to slidably mounted at the sealing platform at the operation slot to move the sealing head between a releasing position and a sealing position.
申请公布号 US2006118168(A1) 申请公布日期 2006.06.08
申请号 US20040002944 申请日期 2004.12.01
申请人 CHEUNG GEORGE F 发明人 CHEUNG GEORGE F.
分类号 F16K17/36 主分类号 F16K17/36
代理机构 代理人
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