发明名称 |
METHOD FOR IMPROVING VALVE SEALING. |
摘要 |
<p>A method of making an electrically-operated fluid valve for improving the metal-to-metal sealing of the valve needle to the valve seat, particularly of the rounded tip end of the needle to a frusto-conical depression in the seat. The method comprises applying a controlled axial compressive load to the seated needle to cause the annular zone of sealing contact between the needle and the seat to be coined.</p> |
申请公布号 |
EP0552196(B1) |
申请公布日期 |
1995.04.19 |
申请号 |
EP19910917373 |
申请日期 |
1991.10.01 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
KELLUM, JAMES, A., JR.;LEHMANN, ROBERT;PARISH, JAMES |
分类号 |
F02M51/06;F02M61/16;F02M61/18;(IPC1-7):F02M51/06 |
主分类号 |
F02M51/06 |
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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