发明名称 |
Pressure vacuum relief valve |
摘要 |
A pressure control valve assembly includes a valve housing having a spring loaded, resilient valve element with reversely curved conical surfaces thereon one of which is seated on a fixed, annular pressure relief seat by a first spring element and the other of which is seated against a spring biased ball check valve that controls flow through a central opening in the valve element defining a vacuum relief path.
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申请公布号 |
US4133346(A) |
申请公布日期 |
1979.01.09 |
申请号 |
US19770804141 |
申请日期 |
1977.06.06 |
申请人 |
GENERAL MOTORS CORPORATION |
发明人 |
SMITH, CLAUDE A.;WILLIAMS, DONALD L. |
分类号 |
B60K15/04;(IPC1-7):B65D51/16 |
主分类号 |
B60K15/04 |
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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