发明名称 |
PILOT SOLENOID CONTROL VALVE WITH AN EMERGENCY OPERATOR |
摘要 |
A discharge valve (150) is provided to open an electrically controlled pilot valve (100) in emergency situations such as during an electrical or hydraulic failure. The discharge valve has a poppet (154) that operates in response to a pressurized control signal, which may be produced by a hand operated pump (154). When the poppet opens in response to the control signal, a path is established for fluid to flow from a control chamber (118) of the pilot valve, thereby opening the latter valve. |
申请公布号 |
WO0218800(A3) |
申请公布日期 |
2002.10.17 |
申请号 |
WO2001US23383 |
申请日期 |
2001.07.25 |
申请人 |
HUSCO INTERNATIONAL, INC. |
发明人 |
STEPHENSON, DWIGHT, B. |
分类号 |
F16K31/40;F15B13/01;F15B20/00 |
主分类号 |
F16K31/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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