Title:
FLUID PRESSURE CYLINDER UNIT
Document Type and Number:
WIPO Patent Application WO/2024/095784
Kind Code:
A1
Abstract:
A fluid pressure cylinder unit (101, 201, 301, 401) includes a lift cylinder (100, 400) having a cylinder tube (1) and a piston rod (10, 310), an accumulator (40, 340) having a gas chamber (41) that can be filled with gas and a liquid chamber (42) that can be filled with liquid, and a first passage (30) that communicates a first chamber with the gas chamber (41) of the accumulator (40, 340), wherein the first chamber is filled with gas, the piston rod (10, 310) is caused to reciprocate by supplying and discharging hydraulic fluid to the second chamber, and the first passage (30) is provided with a check valve (50) that allows gas to flow only from the first chamber to the gas chamber (41) of the accumulator (40, 340).
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Inventors:
HASEGAWA KAZUKI (JP)
Application Number:
PCT/JP2023/037834
Publication Date:
May 10, 2024
Filing Date:
October 19, 2023
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F15B1/02; F15B11/072; F15B15/14
Foreign References:
| JPS50141772A | 1975-11-14 | |||
| JPH01126458U | 1989-08-29 | |||
| JP2015014328A | 2015-01-22 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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