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Title:
電動弁
Document Type and Number:
Japanese Patent JP4713977
Kind Code:
B2
Abstract:

To reduce refrigerant passing noise in an electric valve controlling a flow rate of a refrigerant.

A valve main body 10 of this electric valve 1 has an orifice 12, a valve chest 14 and a refrigerant passage 16. A motor unit 50 rotates an output shaft 62, and a driving shaft 64 is axially moved. A valve stem 80 allows a valve element 82 to be separated from and kept into contact with the orifice 12. A straightening member 100 is mounted at an outer side of the valve element. The straightening member 100 has a plurality of small straightening holes 130 to prevent large bubbles from passing through the valve chest 14 and to atomize the bubbles.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
Koji Higuchi
Tetsuya Aoki
Application Number:
JP2005222395A
Publication Date:
June 29, 2011
Filing Date:
August 01, 2005
Export Citation:
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Assignee:
Fuji Koki Co., Ltd.
International Classes:
F16K47/02; F16K31/04; F25B41/06
Domestic Patent References:
JP2004289901A
JP2001280721A
JP2001263866A
JP46001749Y1
JP4080981U
JP9264638A
JP11063739A
JP2005003336A
JP8233224A
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office



 
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