US 12,403,741 B2
Vehicle height control system
Sehyun Chang, Suwon-Si (KR); Youngil Sohn, Yongin-Si (KR); Jun Ho Seong, Seoul (KR); Woo Keun Park, Seongnam-Si (KR); Min Jun Kim, Busan (KR); and Sang Woo Hwang, Seoul (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Dec. 1, 2023, as Appl. No. 18/526,651.
Claims priority of application No. 10-2023-0028900 (KR), filed on Mar. 6, 2023.
Prior Publication US 2024/0300274 A1, Sep. 12, 2024
Int. Cl. B60G 17/0165 (2006.01)
CPC B60G 17/0165 (2013.01) [B60G 2200/14 (2013.01); B60G 2204/418 (2013.01); B60G 2204/4191 (2013.01); B60G 2500/30 (2013.01); B60G 2600/182 (2013.01); B60G 2800/012 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A vehicle height control system comprising:
an arm including a first end portion connected to a vehicle body and a second end portion coupled to a wheel;
a bearing unit fixed to the vehicle body;
a crank coupled to the bearing unit;
a push rod including a first end portion connected to the crank and a second end portion connected to the arm; and
a spring reaction force variable device coupled to the bearing unit and configured to vary reaction force applied to the crank,
wherein the spring reaction force variable device further includes:
a motor configured to provide torque;
a clutch unit connected to an output shaft of the motor;
a reducer located at an output end portion of the clutch unit and coupled to the crank; and
a spring portion coupled to the reducer, and
wherein reaction torque of the spring portion is varied by driving the motor.