Title:
流量調整弁
Document Type and Number:
Japanese Patent JP5144880
Kind Code:
B2
Abstract:
An object is to provide a flow control valve that is capable of reducing or eliminating backlash generated between a male threaded portion and a female threaded portion engaged with the male threaded portion and preventing or eliminating hysteresis in the flow level. The flow control valve includes a body having a fluid inlet and a fluid outlet, a cover attachable to the body, a motor disposed in a space defined by the body and the cover, a valving element connected to a rotary shaft of the motor with a screw member, and an urging member that urges the valving element toward the motor side or toward the side opposite to the motor.
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Inventors:
Masahiro Hasunuma
Yoshisuke Ushikusa
Yoshisuke Ushikusa
Application Number:
JP2005161472A
Publication Date:
February 13, 2013
Filing Date:
June 01, 2005
Export Citation:
Assignee:
Surpass Industry Co., Ltd.
International Classes:
F16K31/04; F16K7/16; F16K41/12
Domestic Patent References:
| JP2001012632A | ||||
| JP58060060U | ||||
| JP2003202084A | ||||
| JP2004251462A | ||||
| JP10299913A | ||||
| JP4041180U | ||||
| JP2004245366A | ||||
| JP2003529031A | ||||
| JP53095316A | ||||
| JP62209279A | ||||
| JP11125355A |
Foreign References:
| US6321776 |
Attorney, Agent or Firm:
Noriharu Fujita
Kunio Ueda
Kunio Ueda