发明名称 |
Vacuum check valve |
摘要 |
A vacuum check valve assembly having an axially guided poppet valve and a minimal restriction to air flow. The poppet valve has a seal made of a fluoro-silicone rubber which has excellent non-sticking and non-leaking characteristics over a wide temperature range. The valve assembly may be combined with a fuel vapor adsorbent canister.
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申请公布号 |
US4628959(A) |
申请公布日期 |
1986.12.16 |
申请号 |
US19850771219 |
申请日期 |
1985.08.30 |
申请人 |
GENERAL MOTORS CORPORATION |
发明人 |
PARKER, DONALD L.;HEFFNER, DONALD L. |
分类号 |
B60T13/56;B60T13/52;F16K15/06;(IPC1-7):F16K15/06 |
主分类号 |
B60T13/56 |
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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