US 12,220,957 B1
Suspension system for vehicle
Jae Hun Kim, Hwaseong-si (KR); Jin Woo Chun, Seoul (KR); Jae Geun Bang, Hwaseong-si (KR); Seong-Kweon Joo, Hwaseong-si (KR); and Jung Min Cho, Seongnam-si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and Seohan Innobility Co., Ltd., Jincheon-gun (KR)
Filed by Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and Seohan Innobility Co., Ltd., Jincheon-gun (KR)
Filed on Dec. 5, 2023, as Appl. No. 18/529,483.
Claims priority of application No. 10-2023-0104902 (KR), filed on Aug. 10, 2023.
Int. Cl. B60G 11/18 (2006.01); B60G 7/00 (2006.01); B60G 17/02 (2006.01)
CPC B60G 11/181 (2013.01) [B60G 7/001 (2013.01); B60G 17/025 (2013.01); B60G 2200/156 (2013.01); B60G 2202/132 (2013.01); B60G 2206/124 (2013.01); B60G 2206/42 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A suspension system for a vehicle, the suspension system comprising:
a rocker arm housing coupled to a first end of a lower arm through which a rotation axis passes;
a rocker arm having a first end surrounded by the rocker arm housing and a second end disposed toward a center of the rocker arm housing, the rocker arm being configured to rotate together with the lower arm about the rotation axis;
a torsion bar having a first end connected to the second end of the rocker arm and a second end extending alongside the rotation axis and then coupled to a vehicle body connection member, the torsion bar being configured to exhibit a torsional force by receiving a rotation of the lower arm through the rocker arm housing and the rocker arm; and
a contact protrusion disposed on the rocker arm housing, the contact protrusion being configured to come into contact with a portion of the rocker arm in accordance with a rotation angle of the rocker arm housing.