发明名称 |
Single-adjustment, dual-null pressure setting for an electrohydraulic valve pilot stage |
摘要 |
An electrohydraulic valve pilot stage for controlling differential pressure is disclosed. The electrohydraulic valve pilot stage has a housing for protecting the valve; a first and second inlet capable of connection to fluid supplies; a first nozzle and a second nozzle fluidly connected to the inlets; a baseplate attached to the housing and the nozzles; a restraining member attached to the baseplate at a position between the first nozzle and the second nozzle; a pivot pin; a flapper restrained by the restraining member and having a first end and a second end, the flapper pivotably mounted on the pivot pin; and a null adjust pin mounted in a pivot pin contact capable position for adjusting the position of the ends of the flapper relative to the nozzles.
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申请公布号 |
US2002066481(A1) |
申请公布日期 |
2002.06.06 |
申请号 |
US20010862060 |
申请日期 |
2001.05.21 |
申请人 |
OESTREICH KENNETH L.;ANDERSON WAYNE R. |
发明人 |
OESTREICH KENNETH L.;ANDERSON WAYNE R. |
分类号 |
F15B13/043;F15C3/14;F16K31/06;(IPC1-7):F15C3/14 |
主分类号 |
F15B13/043 |
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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