A vehicle including a frame, left and right wheels, and a leaning suspension system. The frame defines a longitudinal vehicle axis. The leaning suspension system includes a transverse beam, left and right damping members, left and right control arms, and at least one lean actuator. The transverse b
A vehicle including a frame, left and right wheels, and a leaning suspension system. The frame defines a longitudinal vehicle axis. The leaning suspension system includes a transverse beam, left and right damping members, left and right control arms, and at least one lean actuator. The transverse beam is coupled to the frame and pivotable about the vehicle axis. The left and right damping members are pivotally coupled to the left and right sides of the transverse beam. The left control arm is pivotally coupled to the left wheel and to the frame, and the right control arm is pivotally coupled to the right wheel and to the frame. The lean actuator is pivotally connected between the frame and the transverse beam. The lean actuator is configured to extend and retract to tilt the left and right wheels and to lean the vehicle while cornering.
대표청구항▼
What is claimed is: 1. A vehicle comprising: a frame defining a longitudinal vehicle axis; a left wheel disposed on the left side of the vehicle axis; a right wheel disposed on the right side of the vehicle axis; a leaning suspension system including a transverse beam coupled to the frame and pivot
What is claimed is: 1. A vehicle comprising: a frame defining a longitudinal vehicle axis; a left wheel disposed on the left side of the vehicle axis; a right wheel disposed on the right side of the vehicle axis; a leaning suspension system including a transverse beam coupled to the frame and pivotable about the vehicle axis, a left damping member pivotally coupled to a left side of the transverse beam, a right damping member pivotally coupled to a right side of the transverse beam, a left upper control arm having a first end pivotally coupled to the left wheel and an opposite end coupled to the frame, a right upper control arm having a first end pivotally coupled to the right wheel and an opposite end coupled to the frame, a left lower control arm having a first end pivotally coupled to the left wheel and an opposite end pivotally coupled to the frame, a right lower control arm having a first end pivotally coupled to the right wheel and an opposite end pivotally coupled to the frame, and at least one lean actuator pivotally connected between the frame and the transverse beam, the lean actuator configured to extend and retract to tilt the left and right wheels and to lean the vehicle while cornering, such that the left and right wheels tilt substantially the same amount as a lean angle of the vehicle. 2. The vehicle of claim 1, wherein ends of the right and left upper control arms are forked, and wherein at least a portion of the transverse beam is disposed between the forked ends of the right and left upper control arms. 3. The vehicle of claim 2, wherein at least a portion of the transverse beam is located within a substantially horizontal plane defined by one of the left upper control arm and the right upper control arm. 4. The vehicle of claim 3, wherein the transverse beam is substantially centered between the forked ends of the right and left upper control arms. 5. The vehicle of claim 1, wherein the left damping member is pivotally coupled between the left lower control arm and the left side of the transverse beam, and the right damping member pivotally coupled between the right lower control arm and the right side of the transverse beam. 6. The vehicle of claim 5, wherein the left damping member is pivotally coupled to a left end of the transverse beam at a left pivot point, and the right damping member is pivotally coupled to a right end of the transverse beam at a right pivot point. 7. The vehicle of claim 6, wherein the at least one lean actuator includes one end pivotally coupled to the frame and an opposite end pivotally coupled to the transverse beam between the vehicle axis and one of the right or left pivot points. 8. The vehicle of claim 1, wherein the at least one lean actuator includes a left lean actuator pivotally coupled between the frame and a left side of the transverse beam and a right lean actuator pivotally coupled between the frame and a right side of the transverse beam. 9. The vehicle of claim 1, further comprising handlebars pivotally coupled to the frame, a left tie rod coupled between the handlebars and the left wheel, and a right tie rod coupled between the handlebars and the right wheel. 10. The vehicle of claim 1, wherein the transverse beam remains substantially horizontal when the wheels tilt and the vehicle leans. 11. The vehicle of claim 1, further comprising a left spindle coupled between the left upper control arm and the left wheel, and a right spindle coupled between the right upper control arm and the right wheel. 12. A vehicle comprising: a frame defining a longitudinal vehicle axis; a left wheel disposed on the left side of the vehicle axis; a right wheel disposed on the right side of the vehicle axis; a leaning suspension system including a transverse beam coupled to the frame and pivotable about the vehicle axis, a left upper control arm having an end pivotally coupled to the left wheel and an opposite end coupled to the frame, a right upper control arm having an end pivotally coupled to the right wheel and an opposite end coupled to the frame, wherein the opposite ends of the right and left upper control arms are forked, and wherein at least a portion of the transverse beam is disposed between the forked ends of the right and left upper control arms, a left lower control arm having an end pivotally coupled to the left wheel and an opposite end coupled to the frame, a right lower control arm having an end pivotally coupled to the right wheel and an opposite end coupled to the frame, and at least one lean actuator pivotally connected between the frame and the transverse beam, the lean actuator configured to extend and retract to tilt the left and right wheels and to lean the vehicle while cornering, such that the left and right wheels tilt substantially the same amount as a lean angle of the vehicle. 13. The vehicle of claim 12, wherein at least a portion of the transverse beam is located within a substantially horizontal plane defined by one of the left upper control arm and the right upper control arm. 14. The vehicle of claim 13, wherein the transverse beam is substantially centered between the forked ends of the right and left upper control arms. 15. The vehicle of claim 14, further comprising a left damping member pivotally coupled between the left lower control arm and the left side of the transverse beam, and a right damping member pivotally coupled between the right lower control arm and the right side of the transverse beam. 16. The vehicle of claim 15, wherein the left damping member is pivotally coupled to a left end of the transverse beam at a left pivot point, and the right damping member is pivotally coupled to a right end of the transverse beam at a right pivot point. 17. The vehicle of claim 16, wherein the at least one lean actuator includes one end pivotally coupled to the frame and an opposite end pivotally coupled to the transverse beam between the vehicle axis and one of the right or left pivot points. 18. The vehicle of claim 12, wherein the at least one lean actuator includes a left lean actuator pivotally coupled between the frame and a left side of the transverse beam and a right lean actuator pivotally coupled between the frame and a right side of the transverse beam. 19. The vehicle of claim 12, further comprising handlebars pivotally coupled to the frame, a left tie rod coupled between the handlebars and the left wheel, and a right tie rod coupled between the handlebars and the right wheel. 20. The vehicle of claim 12, wherein the transverse beam remains substantially horizontal when the wheels tilt and the vehicle leans. 21. The vehicle of claim 12, further comprising a left spindle coupled between the left upper control arm and the left wheel, and a right spindle coupled between the right upper control arm and the right wheel.
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