发明授权
- 专利标题: Tank vapor vent valve assembly with improved overfill protection
- 专利标题(中): 罐式蒸汽排气阀组件,具有改进的过充保护
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申请号: US316001申请日: 1989-02-27
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公开(公告)号: US4893643A公开(公告)日: 1990-01-16
- 发明人: William E. Gifford , Carl H. Sherwood , Charles H. Covert , Kenenth W. Turner
- 申请人: William E. Gifford , Carl H. Sherwood , Charles H. Covert , Kenenth W. Turner
- 申请人地址: MI Detroit
- 专利权人: General Motors Corporation
- 当前专利权人: General Motors Corporation
- 当前专利权人地址: MI Detroit
- 主分类号: B60K15/04
- IPC分类号: B60K15/04 ; F02M25/08
摘要:
A TVVA with a buoyant overfill protection float contains the float closely and axially slidably within a sleeve, and feeds a negative pressure created by the rapid flow of fill vapors over the outside of the sleeve into the sleeve to hold the float down and prevent it from corking.
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