发明名称 |
Simultaneous control of multiple liquid level settings in a diaphragm valve, using a single rotatable control shaft |
摘要 |
A method and apparatus are provided for simultaneously changing multiple liquid level settings in a liquid-level switch including a diaphragm actuated pressure switch apparatus having a first and a second switch, through use of an actuator apparatus including a single control knob shaft rotatably connected to the pressure switch apparatus and having a first and a second cam fixedly attached to the shaft for rotation therewith, the first cam being operatively connected to provide a biasing force against actuation of the first switch, and the second cam being operatively connected to provide a biasing force against actuation of the second switch.
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申请公布号 |
US2006219538(A1) |
申请公布日期 |
2006.10.05 |
申请号 |
US20050096279 |
申请日期 |
2005.03.31 |
申请人 |
ROBERTSHAW CONTROLS COMPANY |
发明人 |
HAWKEN PHILIP C.;KLOPP JEROME C.;VAN DER LINDE ROBERT J.;TUMA PAUL H. |
分类号 |
H01H35/34 |
主分类号 |
H01H35/34 |
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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