发明名称 |
LATCHING SOLENOID VALVE |
摘要 |
A pilot valve is operated by solenoid formed by a coil (52) wound around a nonmagnetic spool that has a bore (56). A rare earth permanent magnet (62) is inside the bore adjacent one end and abuts a flux concentrator (58) farther inside the bore. A plunger (68) is slidably located within the bore biased away from the flux concentrator by a spring (70) and projects out another end of the bore. An enclosure of magnetic material completes a magnetic flux path around the solenoid and has an aperture through which the plunger projects. The pilot valve includes a cage (86) of rigid non-magnetic material which abuts the enclosure and has a recess which supports the plunger out of contact with the housing. The plunger selectively opens and closes a pilot tube (92) through the cage to operate a diaphragm (100) that responds by engaging a primary valve seat to control the flow of fluid through a valve body.
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申请公布号 |
CA2307861(A1) |
申请公布日期 |
1999.05.06 |
申请号 |
CA19982307861 |
申请日期 |
1998.10.26 |
申请人 |
KOHLER CO. |
发明人 |
WITT, KEVIN;PAESE, ANDREW J.;QUELLA, JOHN;KARSTEN, LEE |
分类号 |
E03C1/04;E03C1/05;F16K31/40;(IPC1-7):F16K31/40 |
主分类号 |
E03C1/04 |
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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