Title:
可変容量圧縮機用制御弁
Document Type and Number:
Japanese Patent JP6500183
Kind Code:
B2
Abstract:
A control valve includes: a body having a main passage through which a discharge chamber and a control chamber communicate, and a sub-passage through which the control chamber and a suction chamber communicate; a main valve seat provided in the main passage; a main valve element configured to touch and leave the main valve seat to close and open a main valve; a sub-valve seat provided in the sub-passage; a sub-valve element configured to touch and leave the sub-valve seat to close and open a sub-valve; a solenoid configured to generate a drive force in a valve closing direction of the main valve; an actuating rod for transmitting the drive force of the solenoid to the main valve element and the sub-valve element; a spring for applying a biasing force to the main valve in a valve opening direction; a spring for applying a biasing force to the sub-valve in a valve closing direction; and a differential pressure valve opening mechanism configured to open the sub-valve when a pressure difference between a control pressure in the control chamber and a suction pressure in the suction chamber becomes a preset pressure difference or larger.
Inventors:
Ryota Sugawara
Shinji Saeki
Masaaki Tonegawa
Shinji Saeki
Masaaki Tonegawa
Application Number:
JP2015075994A
Publication Date:
April 17, 2019
Filing Date:
April 02, 2015
Export Citation:
Assignee:
TAGC Inc.
International Classes:
F04B27/18
Domestic Patent References:
| JP2014214654A | ||||
| JP2001073939A | ||||
| JP2014114890A |
Foreign References:
| US6554027 |
Attorney, Agent or Firm:
Patent corporation Interbrain
Takuya Matsuo
Takuya Matsuo