US 12,441,428 B2
Lean vehicle
Keizo Araki, Kariya (JP); and Akira Mizuno, Kariya (JP)
Assigned to AISIN CORPORATION, Aichi (JP)
Filed by AISIN CORPORATION, Aichi (JP)
Filed on Oct. 9, 2024, as Appl. No. 18/910,253.
Claims priority of application No. 2023-184177 (JP), filed on Oct. 26, 2023.
Prior Publication US 2025/0136232 A1, May 1, 2025
Int. Cl. B62K 5/10 (2013.01); B62K 5/01 (2013.01); B62K 5/00 (2013.01)
CPC B62K 5/10 (2013.01) [B62K 5/01 (2013.01); B62K 2005/001 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A lean vehicle comprising:
a plurality of wheel units provided at least at a front position and a rear position of a vehicle body and each including a pair of wheels spaced apart in a vehicle width direction;
a lean unit provided in a vicinity of one of the wheel units and including a lean mechanism configured to relatively tilt the wheel unit and the vehicle body with respect to a ground in a turning inward direction and a lean drive unit configured to drive the lean mechanism; and
a passive suspension provided on the other of the wheel units and configured to generate roll stiffness when the vehicle body is tilted with respect to the ground in the vehicle width direction,
wherein the passive suspension has different roll stiffness characteristics in a first region from a start of tilt of the vehicle body to a predetermined angle and a second region in which the vehicle body is further tilted from the first region.