Title:
PRESSURE SENSITIVE CONTROL VALVE
Document Type and Number:
Japanese Patent JP2018021646
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent high-pressure fluid flowing into a valve chamber from affecting a plunger to perform stable control, in a pressure sensitive control valve capable of performing displacement control of a variable displacement type compressor and causing an electromagnetic drive part to adjust setting intake pressure.SOLUTION: A coupling rod 31 of a valve member 3 communicates with a rod guide hole 21a of a suction element 21 of an electromagnetic drive part 2. A plunger 23 is coupled (fixed) to the coupling rod 31. A seal part 5 is provided at an end part of the suction element 21 on a valve chamber 1A side. The seal part 5 comprises a step part 51 formed in the suction element 21, a seal member 52 comprising an O ring fitted into the coupling rod 31 in the step part 51, and a presser plate 53.SELECTED DRAWING: Figure 1
Inventors:
OGAWARA ICHIRO
Application Number:
JP2016154656A
Publication Date:
February 08, 2018
Filing Date:
August 05, 2016
Export Citation:
Assignee:
SAGINOMIYA SEISAKUSHO INC
International Classes:
F16K31/06; F04B27/18; F04B49/12; F16K41/04; F25B41/04
Attorney, Agent or Firm:
Fumio Takino
Hideo Takino
Takao Kawasaki
Toshiaki Tsuda
Masashi Torino
Yasuhiro Fukuda
Hideo Takino
Takao Kawasaki
Toshiaki Tsuda
Masashi Torino
Yasuhiro Fukuda