Title:
AIR SUSPENSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/261220
Kind Code:
A1
Abstract:
An air suspension system (1) comprises a second switchover valve (21) provided between a front-wheel air suspension (2) and a tank (15), a third switchover valve (22) provided between a rear-wheel air suspension (3) and the tank (15), and a branch point (17) that divides air from the tank (15) into air for the front-wheel air suspension (2) and air for the rear-wheel air suspension (3), and a flow rate adjustment valve (23) is provided between the branch point (17) and the second switchover valve (21). The flow rate adjustment valve (23) limits the flow rate of air supplied to the front-wheel air suspension (2) from the tank (15) when the vehicle height is raised, and limits the flow rate of air exhausted from the rear-wheel air suspension (3) when the vehicle height is lowered.
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Inventors:
SAITO MASAYUKI (JP)
Application Number:
PCT/JP2021/021375
Publication Date:
December 30, 2021
Filing Date:
June 04, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
B60G17/015; B60G17/052
Foreign References:
| JP2015105014A | 2015-06-08 | |||
| US20190111753A1 | 2019-04-18 | |||
| JP2020066291A | 2020-04-30 | |||
| JPS6026909U | 1985-02-23 |
Attorney, Agent or Firm:
HIROWA PATENT FIRM (JP)
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