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Title:
SUSPENSION SYSTEM AND VEHICLE HEIGHT ADJUSTMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/121408
Kind Code:
A1
Abstract:
This suspension system comprises: a spring 500; a jack 550 that supports one end of the spring 500, has a jack chamber 60 for storing oil, and adjusts the length of the spring 500 according to the amount of oil in the jack chamber 60; a reservoir chamber 40 that retains oil; a pump 600 that has a cylinder 230 and that sucks oil into the cylinder 230 when extended and discharges oil in the cylinder 230 when compressed; and a switching unit 800 capable of switching between a first state in which oil is flowed from the reservoir chamber 40 into the cylinder 230 and oil is flowed from the cylinder 230 into the reservoir chamber 40 and a second state in which oil is flowed from the jack chamber 60 into the cylinder 230 and oil is flowed from cylinder 230 into the jack chamber 60.

Inventors:
MURAKAMI YOSUKE
FUJIKAWA YOSUKE
Application Number:
PCT/JP2018/045510
Publication Date:
June 18, 2020
Filing Date:
December 11, 2018
Export Citation:
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Assignee:
SHOWA CORP (JP)
International Classes:
B60G17/015; B60G17/0165; B60G17/027; B62K25/04
Foreign References:
JPH1191331A1999-04-06
JPH10157435A1998-06-16
JP2014058260A2014-04-03
Attorney, Agent or Firm:
FURUBE, Jiro et al. (JP)
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