Title:
CAPACITY CONTROL VALVE FOR VARIABLE CAPACITY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/097842
Kind Code:
A1
Abstract:
Provided is a capacity control valve for a variable capacity compressor. The capacity control valve can prevent valve body malfunctions caused by minute foreign matter that is included in inwardly flowing refrigerant. A capacity control valve 200 that includes: a valve housing 210 that has formed therein an intake chamber communication space 211 that communicates with an intake chamber 119, a control pressure chamber communication space 212 that communicates with a control pressure chamber 105, and a discharge chamber communication space 213 that communicates with a discharge chamber; a bellows (a pressure-sensitive member) 223 that is arranged in the intake chamber communication space 211 and that senses the pressure of the intake chamber and thereby expands/contracts; a valve body 222 that is arranged in the control pressure chamber communication space 212 and that opens/closes a valve hole 220 that forms a part of a supply passage; and a rod member 221 that is inserted through an insertion hole 219 so as to be capable of moving in the axial direction and that transmits the expansion/contraction of the bellows 223 to the valve body 222. The insertion hole 219 is formed in a different location from the valve hole 220 and is demarcated from the discharge chamber communication space 213.
Inventors:
NAKAMURA SHINJI (JP)
TAGUCHI YUKIHIKO (JP)
TAGUCHI YUKIHIKO (JP)
Application Number:
PCT/JP2018/035244
Publication Date:
May 23, 2019
Filing Date:
September 18, 2018
Export Citation:
Assignee:
SANDEN AUTOMOTIVE COMPONENTS CORP (JP)
International Classes:
F16K31/365; F04B27/18; F16K51/00
Foreign References:
| JP2007247512A | 2007-09-27 | |||
| US20040120829A1 | 2004-06-24 | |||
| JPH10176659A | 1998-06-30 | |||
| JP2001099060A | 2001-04-10 | |||
| JP2004116407A | 2004-04-15 | |||
| US20140248163A1 | 2014-09-04 |
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