US 11,912,087 B2
Electric suspension apparatus
Satoshi Ohno, Tokyo (JP); and Kazuya Konada, Wako (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Feb. 18, 2022, as Appl. No. 17/675,311.
Claims priority of application No. 2021-051516 (JP), filed on Mar. 25, 2021.
Prior Publication US 2022/0305865 A1, Sep. 29, 2022
Int. Cl. B60G 17/015 (2006.01); B60G 17/0165 (2006.01); B60G 17/018 (2006.01); B60G 17/0195 (2006.01)
CPC B60G 17/0157 (2013.01) [B60G 17/0165 (2013.01); B60G 17/018 (2013.01); B60G 17/0195 (2013.01); B60G 2202/42 (2013.01); B60G 2202/422 (2013.01); B60G 2202/442 (2013.01); B60G 2500/30 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An electric suspension apparatus comprising:
a processor; and
an electric actuator mounted in a vehicle,
wherein the electric actuator being driven with a motor,
wherein the electric actuator includes a screw shaft and a nut screwed to the screw shaft,
wherein in a case where a drive voltage of the motor is equal to or more than a predetermined voltage, the processor short-circuits the motor, and
wherein in a case where a change amount of the drive voltage per unit time is equal to or more than a predetermined change amount, the processor short-circuits the motor.