Title:
RELIEF VALVE
Document Type and Number:
WIPO Patent Application WO/2023/136066
Kind Code:
A1
Abstract:
This relief valve comprises a piston including a first piston member which presses a biasing member with the pressure of a pilot oil inside a pilot chamber and changes the deflection amount of the biasing member. The first piston member has: a first pressure receiving surface for receiving a pressure from a working fluid inside a first oil chamber toward one axial side ; and a second pressure receiving surface for receiving a pressure from a working fluid inside a second oil chamber toward the other axial side.
Inventors:
FUNAKUBO YUKO
FUJIWARA HIROAKI
FUJIWARA HIROAKI
Application Number:
PCT/JP2022/047039
Publication Date:
July 20, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
F16K17/06
Foreign References:
| JP2012255484A | 2012-12-27 | |||
| JP2005282699A | 2005-10-13 | |||
| JPH11351425A | 1999-12-24 |
Attorney, Agent or Firm:
MIYAZONO Hirokazu (JP)
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