Title:
FLUID PRESSURE SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2023/171507
Kind Code:
A1
Abstract:
A fluid pressure shock absorber (100) mounted in a vehicle comprises: a cylinder tube (10); a rod (12) that is inserted into the cylinder tube (10) so as to be movable forward and backward; a piston (14) that is connected to the rod (12) and divides the interior of the cylinder tube (10) into a bottom side chamber (1) and a rod side chamber (2); a damping valve (20) that imparts resistance to the flow of working fluid between the bottom side chamber (1) and the rod side chamber (2) and has variable damping characteristics according to pilot pressure; and a solenoid valve (30) that switches between supply and cutoff of pilot pressure to the damping valve (20). The working fluid from the bottom side chamber (1) or the rod side chamber (2) is used as the pilot pressure.
Inventors:
HASEGAWA KAZUKI (JP)
Application Number:
PCT/JP2023/007659
Publication Date:
September 14, 2023
Filing Date:
March 01, 2023
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F16F9/512
Domestic Patent References:
| WO2022202474A1 | 2022-09-29 | |||
| WO2022202472A1 | 2022-09-29 |
Foreign References:
| JP2009250396A | 2009-10-29 | |||
| JPH05171836A | 1993-07-09 | |||
| JP2015059573A | 2015-03-30 | |||
| US20090288924A1 | 2009-11-26 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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