B62D7/228

External damping of power steering for a vehicle

A steering member has a rack portion and a screw portion. The steering member is in a steering housing and operatively connected to a tie rod. A pinion is operatively connected between the rack portion and a steering wheel. A ball nut is operatively connected to the screw portion. A power source is operatively connected to the ball nut. The power source drives the ball nut to effect linear movement of the steering member upon rotation of the steering wheel. A damper has a first connection to the tie rod and a second connection to a ground surface. The ground surface is fixed relative to the steering member. The damper is external to the ball nut.

Steering rack stopper
10988171 · 2021-04-27 · ·

The disclosure provides a steering system for a vehicle. The steering system includes a wheel having an inner surface and an outer surface, and a tire mounted thereon. The steering system includes a wheel support including an upper arm and a lower arm that rotatably support the wheel. At least one of the upper arm and the lower arm includes a curved member positioned to contact the inner surface of the wheel when the wheel is at a maximum steering angle. The steering system includes a steering rack and a tie rod coupled between the steering rack and the wheel support. The steering system also includes a compressible stopper coupled between the tie rod and the steering rack. The stopper is configured to compress as the wheel is turned toward the maximum steering angle and when the tie rod is moved past the maximum steering angle.

STEERING DAMPER ASSEMBLY WITH BULGED PORTION
20210131523 · 2021-05-06 ·

A steering damper assembly includes a cylindrical pressure tube defining a working chamber; a piston assembly disposed in the working chamber; a reserve tube extending circumferentially around the pressure tube and defining a reservoir chamber that is radially between the reserve tube and the pressure tube; a base valve fluidly connecting the working chamber and the reservoir chamber; and a piston rod fixed to the piston assembly. The reserve tube includes a cylindrical portion and a bulged portion. The cylindrical portion extends concentrically around the pressure tube. The bulged portion includes a first circumferential section and a second circumferential section, the first circumferential section having a maximum radial distance at most equal to an inner radius of the cylindrical portion, and the second circumferential section having a maximum radial distance greater than the inner radius of the cylindrical portion.

Steering tie rod with elastic damper protected under the steering box boot
10953917 · 2021-03-23 · ·

A steering mechanism including a steering rack mounted with the ability to slide in a steering box connected to a steering tie rod which includes a rod connecting a first articulation member to a second articulation member intended to be connected to a steering knuckle, the mechanism also including an elastic sealing sleeve which delimits a fluidtight protective enclosure around the end of the rack, the rod of the steering tie rod being subdivided into an upstream rod portion, bearing the first articulation member, and a downstream rod portion distinct from the upstream rod portion and bearing the second articulation member, the upstream rod portion connected to the downstream rod portion by a joint includes an elastic damping member designed to damp relative movements of the downstream rod portion with respect to the upstream rod portion, and the joint being situated inside the protective enclosure delimited by the fluidtight sleeve.

REAR END STEERING AND MOUNTING SYSTEM
20210070354 · 2021-03-11 ·

A steering and suspension assembly for the rear wheels of an off-road vehicle includes: a) a first suspension component; b) a first steering component; c) a CV axle; d) a portal box assembly; e) a hydraulic steering assembly for moving the first steering component a distance effective to turn the vehicle at least 2 in either direction when the assembly is mounted to a wheel hub; f) a first suspension connection bracket for connecting the first suspension component to the rear wall of the portal box assembly; and g) a first steering connection bracket for connecting the first steering component to the rear wall of the portal box assembly. The portal box assembly includes: i) a housing having a rear wall, a front wall, and a side wall, wherein the rear wall includes a vehicle axle opening effective to receive the end of said CV axle, and wherein the front wall includes an output shaft opening effective to allow an output shaft to extend outward from the housing; ii) a linking mechanism housed in the housing and effective for linking a CV axle received in the vehicle axle opening to an output shaft; and iii) an output shaft operably connectable via the linking mechanism to the CV axle, and effective to rotate upon rotation of the stock axle.

Connecting mechanism between the karting steering knuckle and the vehicle body
20210061351 · 2021-03-04 ·

The invention discloses a connecting mechanism between the karting steering knuckle and the vehicle body, including the steering knuckle support unit. The side of the steering knuckle support unit is provided with the slot and the inside of which is provided with the steering knuckle. The right end of the steering knuckle is provided with the tire and the steering knuckle is connected with the tire in rotation. The rear-end of the steering knuckle is provided with the steering linkage. The upper and lower surface of the steering knuckle support unit are provided with symmetrical kingpin screw holes which are provided with kingpin screw inside. The upper surface of the steering knuckle support unit is provided with the regulating connecting rod joint and the side of the which is provided with the regulating connecting rod. The end of the regulating connecting rod away from the regulating connecting rod joint is connected to the vehicle body. The connection mechanism between the karting steering knuckle and the vehicle body is simple in structure which can make the inclination angle of the kingpin regulating rotation shaft adjustable by regulating the length of the regulating connecting rod, meanwhile, when the steering knuckle is struck by external force, the steering knuckle support unit can bear the direct stress. The steering knuckle support unit can be replaced independently without the trouble of repairing the vehicle body.

VEHICLE WHEEL STEER CONTROL SYSTEM AND METHOD
20210086737 · 2021-03-25 ·

Steering a vehicle may include applying a net brake-steering force to a steered wheel sufficient to affect a steering moment upon the steered wheel sufficient to move the steered wheel away from a zero steering angle, and resisting movement of the steered wheel back toward the zero steering angle.

BALL SOCKET ASSEMBLY, DUST BOOT THEREFOR AND METHOD OF CONSTRUCTION THEREOF
20210071709 · 2021-03-11 ·

A ball socket assembly, dust boot assembly therefor, and method of construction thereof are provided. The ball socket assembly includes a housing with an inner bore extending along a central axis. A bearing is disposed in the inner bore. A ball portion of a ball stud is disposed in sliding engagement with the bearing and a shank portion extends outwardly from the housing. A dust boot assembly having a tubular wall extends along the central axis between a distal end disposed about the shank portion and a proximal end in sealed engagement with the housing. The dust boot proximal end has an annular flange extending radially outwardly from the central axis. The annular flange has a cylindrical outer surface, a lower surface and an upper shoulder. An annular metal ring is disposed about and substantially encapsulates the cylindrical outer surface, lower surface and upper shoulder of the annular flange.

IDENTICAL STEER CONTROL MECHANISM OF RADIAL BAR-LINK TRAPEZOIDAL SWING ARM AND METHOD AND MULTI-WHEEL VEHICLE
20210206429 · 2021-07-08 ·

An identical steer control mechanism of a radial bar-link trapezoidal swing arm, a method and a multi-wheel vehicle thereof are disclosed. The radial bar-link trapezoidal swing arm is in a right triangle shape, and in combination with a two-dimensional composite control transmission arm of a cross-shaped groove formed by a transverse groove and a vertical groove, an elliptical gauge is shaped; the longitudinal cosine displacement is controlled by the sliders in the transverse groove, and the transverse sine displacement can be controlled by connecting the sliders in the vertical groove after the right-angle end bearing is hinged to connecting rods, the end bearing on the two-dimensional composite control transmission arm, namely the key control point bearing, draws a deflection elliptical trajectory, and the hinged slider to the key control point bearing is connected with a vector control swing arm sliding slot to generate a steering angle i.

In-wheel motor drive device
10889178 · 2021-01-12 · ·

An in-wheel motor drive device includes: a wheel hub bearing portion having an inner ring integrally rotating with a wheel, an outer ring facing the inner ring via a radial gap, and a hub attachment arranged on a more outer diameter side than the outer ring and mounted and fixed to the outer ring; a motor portion driving the inner ring; a casing housing a rotation transmission path from a motor rotation shaft of the motor portion to the inner ring; a suspending bracket having an upper joining seat portion joinable with an upper side suspension member of a suspension device, a lower joining seat portion joinable with a lower side suspension member of the suspension device, and an intermediate portion connecting the upper joining seat portion and the lower joining seat portion; and fixing means for mounting and fixing the suspending bracket to the hub attachment.