Title:
サスペンション装置
Document Type and Number:
Japanese Patent JP7112967
Kind Code:
B2
Abstract:
To make both steering stability and ride comfort in a vehicle comfortable.SOLUTION: A suspension device comprises: first and second connected conduit lines 5 and 6 formed by connecting left and right hydraulic cylinders 1 and 2 with a cloth; a bridge valve 18 that communicates the first and second connected conduit lines 5 and 6 with each other and cuts off the communication; and an accumulator device 25 that is provided to be connected through a damping force generation mechanism 28 to at least either of the first and second connected conduit lines 5 and 6. The bridge valve 18 is constituted of a plurality of electromagnetic valves 18A-18E. When the bridge valve 18 is opened and closed (switching control) according to a command signal from a controller 43, the electromagnetic valves 18A-18E of the bridge valve 18 are switched to a valve closing position (a) and a valve opening position (b) in a step-by-step manner according to the command signal.SELECTED DRAWING: Figure 1
Inventors:
Mikio Yamashita
Fumiyuki Yamaoka
Fumiyuki Yamaoka
Application Number:
JP2019001818A
Publication Date:
August 04, 2022
Filing Date:
January 09, 2019
Export Citation:
Assignee:
Hitachi Astemo, Ltd.
International Classes:
B60G17/015; B60G21/06; B60G21/073
Domestic Patent References:
| JP2018103723A | ||||
| JP2017144974A | ||||
| JP61135807A | ||||
| JP2008247209A | ||||
| JP3148370A |
Foreign References:
| US20010006285 | ||||
| US5899472 |
Attorney, Agent or Firm:
Patent Attorney Corporation Hirowa Patent Office