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Patent Searching and Data


Title:
電動式制御弁
Document Type and Number:
Japanese Patent JP4028281
Kind Code:
B2
Abstract:

To surely avoid an excessive load to be applied to a valve part when a valve is fully opened and closed and a chamfer phenomenon of a screw, and to prevent the generation of noise and vibration due to a collision of a stopper.

This electric control valve having a valve element 43 to be opened and closed by a stepping motor 20 is provided with a magnet type torque limiter (an end surface multipole magnetic part 18D of a rotor 18 and a valve shaft side member 47) on the way of a route for transmitting the rotating force from the stepping motor 20 to the valve element 43.

COPYRIGHT: (C)2004,JPO


Inventors:
Morio Kaneko
Application Number:
JP2002107595A
Publication Date:
December 26, 2007
Filing Date:
April 10, 2002
Export Citation:
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Assignee:
Saginomiya Co., Ltd.
International Classes:
F16K31/04; F25B41/04
Domestic Patent References:
JP59103092A
JP2001271956A
JP2001347959A
JP8312821A
JP8312823A
JP2006299B2
JP7047656Y2
JP2000291817A
JP2003106470A
Attorney, Agent or Firm:
Hideo Takino
Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi