Mando William USPTO patents

Disclosed is a frequency sensitive type shock absorber including a piston rod reciprocating an inside of a cylinder and having a connection passage therein; a piston valve mounted on the piston rod and having a plurality of compression and rebound flow paths penetrating up and down thereof, and partitioning the cylinder into compression and rebound chambers; and a valve assembly mounted on the piston rod to generate a damping force that changes with frequency during a rebound stroke; wherein the valve assembly comprises: a housing coupled to the piston rod and having a pilot chamber in communication with the connection passage; a main retainer coupled to the piston rod and having a main chamber formed on an upper portion thereof in communication with the connecting passage; and a pilot valve coupled to the piston rod and disposed between the housing and the main retainer to partition the pilot chamber and the main chamber.

A steer by wire type steering apparatus according to the embodiments of the present disclosure comprises an output shaft provided with fixing grooves on both sides, a moving member which moves in the axial direction when the output shaft is rotated and is provided with a guide portion protruding in the radial direction on an outer circumferential surface, a pair of guide stoppers for guiding the axial movement of the moving member, an elastic ring for elastically supporting the guide stoppers in a radial direction, and housing.

An electro-mechanical brake and a vehicle including the same are provided.

An electro-mechanical brake and a vehicle including the same are provided.

According to the present embodiments, it is possible to enhance the driver's steering feel by limiting the maximum steering angle of the steering wheel and easily change the maximum steering angle of the steering wheel in real-time or with a minimum structure change as necessary.

Disclosed herein an electric parking brake.

An electronic brake system includes: a master cylinder connected to a brake pedal; a hydraulic pressure supply device including a motor that generates a rotational force and a hydraulic piston movably accommodated in a pressure chamber, and configured to generate a hydraulic pressure by a movement of the hydraulic piston; a hydraulic control unit configured to control a flow of the hydraulic pressure transferred to a wheel cylinder from the hydraulic pressure supply device; a hydraulic block in which the master cylinder, the hydraulic pressure supply device and the hydraulic control unit are integrated; and a controller configured to control the motor and the hydraulic control unit, wherein, during an anti-lock braking system (ABS) operation, the controller is configured to generate vibration in the motor by supplying the motor with an excitation current for exciting the motor to notify a driver of the ABS operation by vibration of the brake pedal.

Disclosed is an actuator for a brake device.

The embodiments of the present disclosure relate to an EMI filter device.

Provided is an electronic parking brake (EPB) system including an actuator of an EPB operated by a motor, the EPB system including: a motor driving unit configured to drive the motor; and a controller electrically connected to the motor driving unit, wherein the controller is configured to: in response to a parking switch being in an activated state, determine whether an engine is in an off state; upon determining that the engine is in the off state and operation information of the EPB is parking apply information corresponding to a parking apply mode (Apply), determine whether a rolling of the vehicle occurs based on a wheel pulse; upon determining that the rolling of the vehicle occurs, determine whether the rolling corresponds to a driver's steering intention based on external collision information and a steering angle; and upon determining that the rolling corresponds to the driver's steering intention, control the motor driving unit not to re-clamp the EPB.

The present embodiments relates to a steering control device and method of a vehicle and may provide a steering control device and method for a vehicle, which may secure stably steered driving by controlling the output of the steering motor by changing the average steering ratio when the driver causes urgent steering in a failure situation and adjusting the rack stroke and rack speed.

An electronic parking brake system including: an electronic parking brake (EPB) including a piston provided to press a pair of brake pads disposed on opposite sides of a brake disk rotating together with a wheel of a vehicle, a nut member provided to press the piston, a spindle member provided to move the nut member, and an electric motor provided to rotate the spindle member, and a controller electrically connected to the electric motor, wherein the controller identifies whether a requested parking operation is an initial parking operation, estimates a motor temperature depending on a voltage drop amount of the electric motor in the case of not being the initial parking operation, estimates a clamping force required for parking depending on the motor temperature, and ends the parking operation when the clamping force reaches a target clamping force.

The disclosure relates to a motor control device and method and comprises a calculator calculating friction control information for controlling friction of a steering device based on vehicle state information including information regarding a state of a vehicle and preset system friction information and a controller performing either friction decrease control to control to reduce the friction of the steering device or friction increase control to control to increase the friction of the steering device, based on the friction control information.

The present disclosure relates to an apparatus for assisting driving of a host vehicle including: a camera mounted to the host vehicle and having a field of view outside of the host vehicle, the camera configured to obtain front image data; and a controller configured to process the front image data, obtain collision time with a surrounding vehicle and weather information based on the image data, and control a braking device provided in the vehicle to start braking at a first braking time point based on the collision time and weather information.

Provided is an electro-mechanical brake system and a method of operating the same including: a pair of pad plates disposed on both sides of a disk rotating together with a wheel; a piston configured to allow the pad plates to come in close contact with or to be separated from the disk; a first motor and a second motor configured to operate independently from each other and provide the piston with power; a first gear configured to decelerate power of the first motor and transmit the decelerated power; a second gear configured to convert power of the second motor into a translational motion and apply pressure to or release pressure on the piston while in contact with the piston, the second gear including a guide part slantly formed on a portion that comes in contact with the piston; and a connecting part connecting the first gear and the second gear to each other to allow the first gear and the second gear to rotate together with each other, the connecting part configured to couple the first gear and the second gear such that the second gear is slidable with respect to the first gear.

According to the present embodiments, a telescopic stroke is increased while an installation space of a steering column is easily secured, and a telescopic operation can be quickly performed without increasing a motor output.

Disclosed are a pad spring and a caliper brake having the same.