发明名称 |
Control valve |
摘要 |
This invention is intended to control the flow rate and pressure in a valve body by operating a throttling valve connected to the opening of the valve body by a remote pipe. The construction of the control valve is as follows: A spool type pressure compensated control valve 3 is installed on the upstream side of a flow passage of the valve body having an inlet 2 and an outlet 5, and a variable orifice 3' is formed on the pressure compensated control valve 3. On the downstream of the pressure compensated control valve 3 is installed a flow control throttling valve 4, which is urged by a spring 7 in the direction of closing the flow passage. The spring chamber 12' of the flow control throttling valve 4 is connected to the outlet 5 through a central passage 12 in the throttling valve 4. A chamber 20 at the other end of the flow control throttling valve 4 is connected to the inlet 2 via a variable throttle 16, and is also open to the outside of the valve body. A pressure setting valve 22 and an external variable throttling valve 23 are connected to this opening.
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申请公布号 |
US5280804(A) |
申请公布日期 |
1994.01.25 |
申请号 |
US19920935703 |
申请日期 |
1992.08.26 |
申请人 |
MITSUBISHI JUKOGYO KABUSHIKI KAISHA |
发明人 |
TAKASHIMA, MAKOTO;MATSUMOTO, TSUNENOBU |
分类号 |
F16K17/30;G05D7/01;G05D16/06;G05D16/16;(IPC1-7):G05D7/01 |
主分类号 |
F16K17/30 |
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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