Title:
CAPACITY CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2019/009264
Kind Code:
A1
Abstract:
[Problem] The purpose of the present invention is to provide a capacity control valve, for controlling the flow rate or pressure of a variable capacity compressor in accordance with the degree of opening of a valve unit, that improves the operation efficiency of the variable capacity compressor. [Solution] This capacity control valve (1), for controlling the flow rate or pressure of the variable capacity compressor in accordance with the degree of opening of a valve unit, is provided with: a valve main body (10) which comprises a first valve chamber (14), a second valve chamber (15) and a third valve chamber (16); a valve body (20) which comprises an intermediate communication passage (26) for allowing communication between the first valve chamber (14) and the third valve chamber (16), a first valve unit (21a) arranged in the first valve chamber (14), a second valve unit (21b) for allowing and stopping communication between the third valve chamber (16) and the second valve chamber (15), and a third communication hole for allowing communication between the third valve chamber and the intermediate communication passage; a solenoid (30) which comprises a first plunger connected to the valve body (20); and a second plunger (37) which is arranged between the solenoid (30) and the valve body (20).
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| WO/1996/031699 | LUBRICATION METHOD IN CLUTCHLESS COMPRESSOR AND LUBRICATION CONTROLLER |
| JP4066563 | Check valve |
| JPH1193832 | VARIABLE DISPLACEMENT COMPRESSOR |
Inventors:
KURIHARA DAICHI (JP)
FUKUDOME KOHEI (JP)
SHIRAFUJI KEIGO (JP)
FUKUDOME KOHEI (JP)
SHIRAFUJI KEIGO (JP)
Application Number:
PCT/JP2018/025121
Publication Date:
January 10, 2019
Filing Date:
July 03, 2018
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F04B27/18; F04B49/02; F04B49/12; F16K31/06
Domestic Patent References:
| WO2007119380A1 | 2007-10-25 |
Foreign References:
| JP2005307817A | 2005-11-04 | |||
| JP2004353451A | 2004-12-16 | |||
| JP5167121B2 | 2013-03-21 |
Other References:
See also references of EP 3650695A4
Attorney, Agent or Firm:
AMASAKA Yasutane et al. (JP)
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