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Patent Searching and Data


Title:
ELECTRIC VALVE
Document Type and Number:
Japanese Patent JP2011208716
Kind Code:
A
Abstract:

To provide an electric valve restricted in the manufacturing cost by reducing the number of parts items and simplifying manufacturing processes.

This electric valve 1 includes: a valve body 4 having a valve chamber 2 and a valve hole 2a formed in the valve chamber; a valve element 3a opening and closing the valve hole; a can 11 projecting from the valve body; a stator coil 18 disposed outside of the can; a resin rotor 6 disposed inside the can to rotate with energized excitation of the stator coil; a screw pipe 7 fixed to the valve body; a resin valve spindle holder 8 formed freely to rotate with the rotor to open/close the valve hole with the valve element through a valve spindle 3 by screwing operation with the screw pipe; a valve closing spring 9 interposed between the valve spindle holder and the valve spindle to energize the valve element through the valve spindle in the valve hole opening/closing direction; and a stopper 17 for preventing the movement of the valve spindle holder and the rotor relative to each other in directions, in which the valve element opens/closes the valve hole, in cooperation with the valve closing spring.


Inventors:
KOYAIZU KAORU
OUCHI TOMOARI
UMEZAWA HITOSHI
Application Number:
JP2010000076555
Publication Date:
October 20, 2011
Filing Date:
March 30, 2010
Export Citation:
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Assignee:
FUJI KOKI KK
International Classes:
F16K31/04; F25B41/06
Domestic Patent References:
JP2010043727A2010-02-25
JPH06241338A1994-08-30
JP2000356278A2000-12-26
JP2001021058A2001-01-26
JP2006200663A2006-08-03
JPH08312822A1996-11-26
JP2003042325A2003-02-13
JP2004353679A2004-12-16
JP2005042891A2005-02-17
Attorney, Agent or Firm:
中井 潤