Title:
DAMPING FORCE GENERATING MECHANISM AND PRESSURE SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2019/239719
Kind Code:
A1
Abstract:
This damping force generating mechanism includes: a flow passage formation part that forms a flow passage through which a liquid flows; and a valve that controls the flow of the liquid in the flow passage. The flow passage formation part includes: a first seat part that is formed on the radially outer side of the flow passage inlet, and that projects from the flow passage inlet and is in contact with the valve; a second seat part that is provided more radially outward than the first seat part, and that projects from the flow passage inlet and is in contact with the valve; and a circulation part that has an orifice through which the liquid can circulate from the flow passage inlet toward the second seat part while the valve is in a state of contact with the first seat part.
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Inventors:
NAKANO GOTA
YANAGISAWA CHIKARA
YANAGISAWA CHIKARA
Application Number:
PCT/JP2019/016967
Publication Date:
December 19, 2019
Filing Date:
April 22, 2019
Export Citation:
Assignee:
SHOWA CORP (JP)
International Classes:
F16F9/46; F16F9/34
Domestic Patent References:
| WO2017026332A1 | 2017-02-16 |
Foreign References:
| JP2012229716A | 2012-11-22 | |||
| JPH0266333A | 1990-03-06 | |||
| JP2016102574A | 2016-06-02 | |||
| JP2014129865A | 2014-07-10 |
Attorney, Agent or Firm:
FURUBE, Jiro et al. (JP)
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