发明授权
- 专利标题： Ultralow pressure relief valve
- 专利标题（中）： 超低压溢流阀
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申请号： US275528申请日： 1981-06-19
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公开(公告)号： US4460018A公开(公告)日： 1984-07-17
- 发明人: William R. Sweeney
- 申请人： William R. Sweeney
- 申请人地址： NY
- 专利权人： Philip Morris, Incorporated
- 当前专利权人： Philip Morris, Incorporated
- 当前专利权人地址： NY
- 主分类号： G01L19/06
- IPC分类号： G01L19/06 ; F15B21/00
摘要：
An ultralow pressure relief valve (10) is disclosed. Sealing fluid (24) is held in place by capillary forces inside capillary tube (12). When pressure in tube (11) exceeds capillary forces, sealing fluid (24) is forced into reservoir (14), protecting pressure gage (20) from overpressurization.
公开/授权文献
- US5567133A Canned motor and pump employing such canned motor 公开/授权日：1996-10-22