发明名称 |
Operating device and valve system |
摘要 |
A spring return type valve system includes: a valve (2) having a valve shaft (22) to be operated rotationally for controlling the flow rate of fluid flowing through a fluid channel; an actuator (4) having an output shaft (42) rotated by an electric motor; a spring unit (3) having a rotating shaft (32) for transmitting the rotational power of the actuator output shaft to the valve shaft and a return spring for giving the rotating shaft a rotational power in one direction; and a yoke (5) for the actuator and the spring unit to be detachably mounted on.
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申请公布号 |
US2002088962(A1) |
申请公布日期 |
2002.07.11 |
申请号 |
US20020037393 |
申请日期 |
2002.01.03 |
申请人 |
YAMATAKE CORPORATION |
发明人 |
TAKANO TOMOHIRO;MIYAZAKI TAKUMI |
分类号 |
F16K27/00;F16K31/04;F16K31/53;(IPC1-7):F16K31/00 |
主分类号 |
F16K27/00 |
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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