发明授权
- 专利标题: Selector valve with counterflow prevention means
- 专利标题(中): 带逆流防止装置的选择阀
-
申请号: US887259申请日: 1997-07-02
-
公开(公告)号: US5971022A公开(公告)日: 1999-10-26
- 发明人: Bunya Hayashi , Makoto Ishikawa
- 申请人: Bunya Hayashi , Makoto Ishikawa
- 申请人地址: JPX Tokyo
- 专利权人: SMC Corporation
- 当前专利权人: SMC Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX8-216176 19960729
- 主分类号: F16K31/124
- IPC分类号: F16K31/124 ; F16K11/07 ; F16K15/18 ; F15B13/04
摘要:
A valve body of a selector valve incorporates a counterflow prevention means comprising a lip-type seal member to allow the forward flow of exhaust from an output port through a valve hole to an ejection port while blocking the counterflow of exhaust flowing in the opposite direction.