B60G17/0157

Vehicle attitude control apparatus
11370414 · 2022-06-28 · ·

A vehicle attitude control apparatus is provided in which an active suspension device of each wheel has a mass body arranged between a sprung mass and an unsprung mass of a vehicle, and upper and lower actuators each configured to generate an actively generated force acting on the sprung and unsprung masses, respectively, by applying urging forces to the masses, and a control unit calculates a target braking/driving force of each braking/driving device for achieving target motion state quantities of the vehicle, target actively generated forces of the upper and lower actuators, and controls a braking/driving device and the upper and lower actuators, so that the target braking/driving force and the target actively generated forces of the upper and lower actuators are achieved.

AUTOMATED CONTROL SYSTEM FOR AN ELECTRONICALLY CONTROLLED SWAY BAR LINK

A sway bar system is described. The sway bar system includes a sway bar having a first end and a second end. An electronically controlled connector to provide a remotely controllable physical connection and disconnection capability between a first location on a vehicle and the first end of the sway bar; and the second end of the sway bar coupled to a second location on the vehicle.

ELECTRICALLY POWERED SUSPENSION SYSTEM
20220185052 · 2022-06-16 ·

An electrically powered suspension system includes: an electromagnetic actuator provided between a vehicle body and a wheel of a vehicle and configured to generate a damping force for damping vibration of the vehicle body; a wheel speed sensor that detects a wheel speed of the wheel; a wheel speed variation amount calculation part that calculates a wheel speed variation amount on the basis of wheel speed detection values detected by the wheel speed sensor; a 3D gyro sensor that detects sprung state amounts including a sprung pitching action of the vehicle; and a wheel speed variation amount correction part that estimates a variation component in the wheel speed variation amount on the basis of a sprung pitch amount and corrects the wheel speed variation amount so as to reduce the estimated variation component.

Device for adjusting height of vehicle
11351835 · 2022-06-07 · ·

A vehicle height adjustment system includes: a cylinder housing part having an inner space configured to receive working fluid; a piston part positioned in the cylinder housing part, the piston part configured to move linearly in response to the working fluid transferred to the cylinder housing; a damper rod part positioned in the piston part; a protrusion part protruding outward from the damper rod part; and a guide part formed in the piston part facing the protrusion part, wherein the protrusion part is inserted into the guide part.

Electrically powered suspension system
11351831 · 2022-06-07 · ·

An electrically powered suspension system includes: an electromagnetic actuator; an information acquisition unit configured to acquire time-series information related to stroke position of the electromagnetic actuator, information on stroke velocity, and an amount of change in stroke of the electromagnetic actuator and information on a stroke direction based on the time-series information; a damping force calculation unit configured to calculate target damping force based on the information on the stroke velocity; and a drive control unit configured to control driving of the electromagnetic actuator using target driving force obtained based on the target damping force. The damping force calculation unit calculates equivalent friction compensation force based on the amount of change in the stroke and the information on the stroke direction, and corrects the target damping force based on the calculated equivalent friction compensation force. The equivalent friction compensation force has elastic force component and dynamic friction force component.

Stabilization system for a vehicle
11351825 · 2022-06-07 · ·

A stabilization system for an adjustable ride height military vehicle includes a support member fixedly coupled with an underside of the military vehicle and extending in a downwards direction from the underside of the military vehicle. The support member is configured to engage a ground surface directly below the military vehicle when the military vehicle lowers from a first position to a second position. The support member is configured to provide additional stability for the military vehicle during a ballistics operation through the engagement between the support member and the ground surface when the military vehicle is lowered to the second position.

ELECTROMECHANICAL VEHICLE HEIGHT ADJUSTMENT UNIT AND VEHICLE HEIGHT ADJUSTMENT METHOD

An electromechanical vehicle height adjustment unit comprises a displaceable member having an abutment surface for abutment of an end of a vehicle spring or for abutment of a vehicle body and a displacement mechanism coupled to the displaceable member and operative to displace the displaceable member in a height direction. The electromechanical vehicle height adjustment unit comprises a rechargeable energy storage device coupled to the electric motor to store electric energy output by the displacement mechanism during a vehicle lowering operation.

Vehicle suspension having controllable ground clearance and rigidity
11338638 · 2022-05-24 ·

The invention relates to a suspension for motor vehicles having controllable chassis clearance and stiffness, and includes a helical spring (1), having a controlling device (2) which is secured to the body of the vehicle and is located rotatably, preferably by means of a transmission stage driven by an electric motor. The controlling device (2) is embodied as a shaped nut, which is screwed directly onto the coils of the preferably cylindrical helical spring (1) and has roller bodies which are located along the helical line and are connected to coils of the helical spring; the controlling device (2) is fully movable and fixable onto and relative to the helical spring. The suspension for motor vehicles ensures enhanced stiffness of the suspension in the event of a decrease in the chassis clearance, reduced stiffness of the suspension when the chassis clearance is increased, and the possibility of building in a telescoping damper inside the helical spring without blocking access to its upper fastening point.

Electromechanical brake system having suspension control function

An electromechanical brake system having a suspension control function. The electromechanical brake system includes: an electromechanical brake connected to each wheel of a vehicle to brake the vehicle, a suspension configured to control suspension of the vehicle, a motor configured to provide driving force to the electromechanical brake or to the suspension, a first clutch configured to connect the electromechanical brake and the motor to each other, a second clutch configured to connect the suspension and the motor to each other, and a controller configured to output a control signal for controlling the motor to be connected to one of the first clutch and the second clutch based on a state signal of the vehicle.

Protective cover for electrical coupler of vehicle shock absorber and vehicle shock absorber including same
11332083 · 2022-05-17 · ·

A shock absorber for damping movement of a wheel suspension system of a vehicle can include a damper tube, a piston, a damping adjustment assembly, and a protective cover. The damper tube can contain a fluid. The piston can be located in the damper tube so as to accommodate relative movement between the damper tube and the piston. The damping adjustment assembly can be connected to the damper tube, and can include a reservoir, a solenoid valve, and a wire harness connection. The solenoid valve can be in fluid communication with each of the reservoir and the damper tube and configured to selectively open and close fluid communication between the reservoir and the damper tube. The wire harness connection can be in electrical communication with the solenoid valve. The protective cover can contain the wire harness connection.