Title:
CYLINDER DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/062892
Kind Code:
A1
Abstract:
This cylinder device (1) comprises: a cylinder (2); a rod (3); a piston (4) that demarcates the inside of the cylinder (2) into a rod-side room (R1) and a piston-side room (R2); a reservoir room (R) that stores a liquid; an attenuation passage (5) that communicates the rod-side room (R1) and the piston-side room (R2), and applies resistance to a flow of liquid passing therethrough; a pressure-side attenuation path (6) that applies resistance to the flow of liquid from the piston-side room (R2) to the reservoir room (R); an extension-side suction passage (7) that allows only a flow of liquid from the reservoir room (R) to the rod-side room (R1); a pressure-side suction passage (8) that allows only a flow of liquid from the reservoir room (R) to the piston-side room (R2); a pump flow path (9) communicating the rod-side room (R1) and the piston-side room (R2) in parallel with the attenuation passage (5); a pump (10) midway on the pump flow path (9); and a motor (11) that drives the pump (10).
Inventors:
KUBO YAMATO (JP)
NOMA TATSUYA (JP)
INAMITSU KAZUTAKA (JP)
SUGAWARA HIROMICHI (JP)
ITOGAWA HIROAKI (JP)
NOMA TATSUYA (JP)
INAMITSU KAZUTAKA (JP)
SUGAWARA HIROMICHI (JP)
ITOGAWA HIROAKI (JP)
Application Number:
PCT/JP2023/031753
Publication Date:
March 28, 2024
Filing Date:
August 31, 2023
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F16F9/34; F16F9/50
Foreign References:
| JP2015102101A | 2015-06-04 | |||
| JP2022524427A | 2022-05-02 | |||
| US20170043640A1 | 2017-02-16 | |||
| JP2004028121A | 2004-01-29 |
Attorney, Agent or Firm:
ISHIKAWA Ken (JP)
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