| 发明名称 |
VENTILERT SPJELLANORDNING. |
| 摘要 |
<p>A ventilated poppet damper assembly for use in a gas conveying conduit to selectively allow and prevent the flow of gas through the conduit has a movable pair of spaced apart damper plates which define a transverse chamber when in the closed position. The transverse chamber is vented to insure that there is no leakage of conveyed gas past the closed damper plates.</p> |
| 申请公布号 |
NO772332(A) |
申请公布日期 |
1978.05.23 |
| 申请号 |
NO19770002332 |
申请日期 |
1977.07.01 |
| 申请人 |
AMERICAN AIR FILTER COMPANY, INC., |
发明人 |
HUNTINGTON, ROBERT G., |
| 分类号 |
C21B9/12;F16K1/44;F16K25/02;(IPC1-7):16K/ |
主分类号 |
C21B9/12 |
| 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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