Title:
CYLINDER DEVICE AND CONTROL VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/013511
Kind Code:
A1
Abstract:
According to the present invention, an orifice formed in a check valve and the flow passage area of the orifice formed in the check valve are made variable to enable a piston frequency to be adjusted, thereby making it possible to improve the degree of freedom in the adjustment of the piston frequency.
Inventors:
YAMAGUCHI YUTA (JP)
Application Number:
PCT/JP2022/029054
Publication Date:
February 09, 2023
Filing Date:
July 28, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F16F9/348; F16F9/512
Domestic Patent References:
| WO2018164167A1 | 2018-09-13 | |||
| WO2017047661A1 | 2017-03-23 |
Foreign References:
| JP2021021436A | 2021-02-18 | |||
| US20150276005A1 | 2015-10-01 |
Attorney, Agent or Firm:
YAMAMOTO, Osamu et al. (JP)
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