发明名称 |
Automotive emission control valve having two-part solenoid pole piece |
摘要 |
An automotive emission control valve including a body having an internal main flow passage between a first port and a second port, a valve seat circumscribing a transverse cross-sectional area of the passage, a valve member with a stem and a head that seats on and unseats from the valve seat, an actuator that operates the valve member. The actuator provides a magnetic circuit path that includes respective pole pieces at respective opposite axial ends of the actuator. At least one of the pole pieces being a two-part pole piece including a central hub part joined to an outer rim part that is disposed circumferentially about the central hub part.
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申请公布号 |
US5924675(A) |
申请公布日期 |
1999.07.20 |
申请号 |
US19970923395 |
申请日期 |
1997.09.03 |
申请人 |
SIEMENS CANADA LIMITED |
发明人 |
HUSSEY, SCOTT E. W.;TAMMAN, ALLAN;BUSATO, MURRAY F. |
分类号 |
F02M25/07;F16K31/06;H01F7/16;(IPC1-7):F16K31/02;H01F3/00 |
主分类号 |
F02M25/07 |
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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