US 11,731,480 B2
Suspension system and vehicle with adjustable vehicle height
Fumihiro Morishita, Tokyo (JP); Masaya Kusatani, Tokyo (JP); Daijiro Endo, Tokyo (JP); Takumi Ozawa, Tokyo (JP); Kuniyoshi Tanaka, Tokyo (JP); and Yuki Matsumoto, Tokyo (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Feb. 28, 2022, as Appl. No. 17/682,279.
Claims priority of application No. 2021-061985 (JP), filed on Mar. 31, 2021.
Prior Publication US 2022/0314727 A1, Oct. 6, 2022
Int. Cl. B60G 17/052 (2006.01); B60G 17/015 (2006.01)
CPC B60G 17/0525 (2013.01) [B60G 17/0155 (2013.01); B60G 2202/152 (2013.01); B60G 2400/252 (2013.01); B60G 2500/205 (2013.01); B60G 2500/302 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A suspension system comprising:
a suspension that is inserted between a vehicle body and each of the wheels of a vehicle and that is capable of extending and contracting by means of pressure of working fluid;
a control unit that controls the working fluid;
an electric power supplier that supplies electric power to the control unit;
a power saver that stops flow of the working fluid when abnormality occurs in the electric power supplier;
a vehicle height adjustment device that adjusts a vehicle height at a position of each of the wheels in the vehicle body; and
a vehicle height controller that controls vehicle height adjustment by the vehicle height adjustment device, wherein
a predetermined vehicle height is a range with a predetermined width in an up-down direction,
when the vehicle height is higher than a highest height of the range when the abnormality in the electric power supplier occurs, the vehicle height controller adjusts the vehicle height to the highest height of the range, and then the power saver stops the flow of the working fluid, and
when the vehicle height is lower than a lowest height of the range when the abnormality in the electric power supplier occurs, the vehicle height controller adjusts the vehicle height to the lowest height in the range, and then the power saver stops the flow of the working fluid.