发明授权
- 专利标题： Flow passages for control valves
- 专利标题（中）： 控制阀的通道
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申请号： US841389申请日： 1992-02-24
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公开(公告)号： US5273072A公开(公告)日： 1993-12-28
- 发明人: Edward H. Phillips
- 申请人： Edward H. Phillips
- 申请人地址： MI Troy
- 专利权人： Techco Corporation
- 当前专利权人： Techco Corporation
- 当前专利权人地址： MI Troy
- 主分类号： B62D5/083
- IPC分类号： B62D5/083 ; F15B13/16
摘要：
The present invention is directed to providing an improved control valve having input and return flow passages that are hydraulically-balanced by virtue of each having a similar flow configuration for fluid flow therethrough. The input and return flow passages are formed to define input and return flow control orifices, respectively, configured for minimizing the possibility of the jet flow issuing from either input or return flow control orifices from impinging upon a surface in juxtaposition to the flow control orifice itself. Thus, the possibility of partial "flow back" into the flow control orifice is eliminated which, in turn, also prevents any significant reduction in the flow control orifice area.
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