Title:
AIR SPRING CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2019038477
Kind Code:
A
Abstract:
To provide an air spring control device capable of restraining a spring constant changeover valve from becoming smoothly immovable as one example.SOLUTION: An air spring control device of the embodiment comprises an air spring, a tank, an on-off valve, and a control part. The air spring is provided in response to a wheel of a vehicle body, and operates according to a flow state of a working fluid. The tank is provided in response to the air spring, and can flow in and flow out the working fluid. The on-off valve is interposed between the air spring and the tank, and can change a spring constant of the air spring by allowing or cutting off a flow of the working fluid. The control part limits valve closing operation of the on-off valve in response to a stroke quantity of the air spring, or pressure in the air spring or in the tank.SELECTED DRAWING: Figure 2
Inventors:
KONDO YUSUKE
KIZU SHIKI
OGINO ATSUTO
KIZU SHIKI
OGINO ATSUTO
Application Number:
JP2017163667A
Publication Date:
March 14, 2019
Filing Date:
August 28, 2017
Export Citation:
Assignee:
AISIN SEIKI
International Classes:
B60G17/015; B60G17/052; B60G17/056
Attorney, Agent or Firm:
Sakai International Patent Office