Title:
流量制御装置
Document Type and Number:
Japanese Patent JP3972340
Kind Code:
B2
Abstract:
A flow rate control valve comprises a rotary driving source which is rotated by a control signal, a movable member which is displaceable by the aid of a transmitting shaft under a rotary action of the rotary driving source, a valve mechanism which is connected to the end of the movable member and which is capable of being seated on and separated from a valve seat of a valve body, and a balance mechanism which is integrally connected underneath the valve mechanism with a connecting shaft intervening therebetween. When the valve opening degree is changed in a state in which pressure fluid is supplied into the valve body, the balance mechanism maintains an equilibrium state with respect to the valve mechanism.
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Inventors:
Yoshihiro Fukano
Yashiro Hideaki
Yashiro Hideaki
Application Number:
JP2004184571A
Publication Date:
September 05, 2007
Filing Date:
June 23, 2004
Export Citation:
Assignee:
SMC Corporation
International Classes:
F16K31/04; F16K39/00; G05D7/06
Domestic Patent References:
| JP3292483A | ||||
| JP5043914B2 | ||||
| JP11136925A | ||||
| JP2003185053A | ||||
| JP2003278927A | ||||
| JP10122414A | ||||
| JP649872U | ||||
| JP2000193106A |
Attorney, Agent or Firm:
Takehiro Chiba
Toshiyuki Miyadera
Toshiyuki Miyadera