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Patent Searching and Data


Title:
CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
Document Type and Number:
Japanese Patent JP2007051568
Kind Code:
A
Abstract:

To prevent a plunger from vibrating in the axial direction when an electric current is not carried, in a control valve for a variable displacement compressor having a solenoid of holding the plunger by springs arranged on both sides in its axial direction.

A permanent magnet 23 is arranged in the vicinity of an end surface on the opposite side of a core 13 of the plunger 14, and when the electric current is not carried, vibration in the axial direction of the plunger 14 is restrained when the permanent magnet 23 attracts and holds the plunger 14.


Inventors:
HIROTA HISATOSHI
Application Number:
JP2005000236482
Publication Date:
March 01, 2007
Filing Date:
August 17, 2005
Export Citation:
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Assignee:
TGK CO LTD
International Classes:
F04B27/14; F04B49/00
Domestic Patent References:
JP2004232534A2004-08-19
JP2004137980A2004-05-13
JP2005048714A2005-02-24
JPS6037674U1985-03-15
JPH084546A1996-01-09
Attorney, Agent or Firm:
服部 毅巖