B60Y2400/81

Electric booster for vehicle
11511723 · 2022-11-29 · ·

An electric booster for a vehicle including: a disc holder accommodating a reaction disc, a screw nut rotated in conjunction with an operation of a motor, a screw bolt linearly moved in conjunction with a rotation of the screw nut, a boosting block disposed between the reaction disc and the screw bolt, and contacting a radially outer portion of the reaction disc when the screw bolt moves, a pedal rod contacting a radially central portion of the reaction disc through the screw bolt and the boosting block, a disc holder pressing hole connected to the screw bolt, and disposed to face the disc holder, and a first breakage prevention gap part formed between the disc holder and the disc holder pressing hole.

METHOD FOR CONTROLLING AN ELECTRONICALLY SLIP-CONTROLLABLE EXTERNALLY POWERED BRAKE SYSTEM, IN PARTICULAR FOR A MOTOR VEHICLE, AND ELECTRONICALLY SLIP-CONTROLLABLE EXTERNALLY POWERED BRAKE SYSTEM, IN PARTICULAR FOR A MOTOR VEHICLE
20220371564 · 2022-11-24 ·

A method for controlling a brake system. The brake system includes an actuating device, a master brake cylinder, a brake circuit, a wheel brake, and a brake pressure generator. The brake pressure generator and the master brake cylinder are capable of being contacted, parallel to one another, to the brake circuit. A pressure generator control valve controls a first pressure medium connection between the brake pressure generator and the brake circuit. A brake circuit control valve controls a second pressure medium connection between the brake circuit and the master brake cylinder. The brake system is operated in an operating state during which the pressure generator control valve assumes an open position without a brake pressure prevailing in the brake circuit and without a buildup of brake pressure being carried out. During this operating state, the brake circuit control valve is controlled to assume an open position.

ELECTRONIC BRAKE SYSTEM AND METHOD FOR CONTROLLING SAME
20220371567 · 2022-11-24 ·

An electronic brake system including a hydraulic circuit that supplies a hydraulic pressure to a wheel cylinder, the electronic brake system including: a plurality of electronic valves provided to open and close a flow path of the hydraulic circuit; and a controller configured to correct a target current of an electronic valve in operation among the plurality of electronic valves based on a voltage input from a battery of a vehicle during braking control or feedback currents of the plurality of electronic valves, and increase a current supplied to the electronic valve so that the current of the electronic valve in operation reaches the corrected target current.

Fluid reservoir with a stop valve

A fluid container for supplying a consuming device with a working fluid, including at least one connector piece having a shut-off valve arranged therein for preventing undesired escaping of the working fluid from the fluid container. In order to increase safety against undesired emptying of the fluid container, it is provided that the valve closure body, in the closed state of the shut-off valve, is accommodated in the fluid container completely inside a contour formed by an outer edge of the connector piece, and provision is made, for support against the valve closure body, of a support, which, upon insertion of the connector piece into the receiving seat, engages at least regionally into the connecting duct and in this way displaces the valve closure body in the connecting duct.

Pressure build-up controlled brake system with specific interconnection of inlet valves with brake circuit/wheel brakes and method for controlling pressure
11584348 · 2023-02-21 · ·

An operating device for a vehicle brake system may include a control device and a piston-cylinder unit, at least one chamber of which may be connected to at least one wheel brake via at least one hydraulic line and a valve device that has at least normally open inlet valves or switching valves. The device may further include a pressure source that may be controlled to supply pressure medium to the at least one hydraulic line or to the at least one wheel brake. The control device may control pressure build-up via volume control and/or time control, using inlet valves. The interior or armature chamber of an inlet valve may be connected to a corresponding brake circuit via a hydraulic line, and a valve seat outlet may be connected to a corresponding wheel brake via a hydraulic line.

Multi-circuit hydraulically closed braking system

A multi-circuit hydraulically closed braking system includes at least two wheel brakes, which are each associated with a braking circuit, two multi-circuit pressure generators, which are connected hydraulically in series between a fluid container and the at least two wheel brakes, and a hydraulic unit for hydraulic connection of the pressure generators to the at least two wheel brakes and for individual brake pressure modulation in the at least two wheel brakes. A first pressure generator is configured as a plunger system and is associated with a primary system which comprises a first power supply and a first evaluation and control unit for controlling the first pressure generator. A second pressure generator is configured as a pump system and is associated with a secondary system, which comprises a second power supply, independent of the first power supply, and a second evaluation and control unit.

VACUUM-BOOSTED BRAKING SYSTEM HAVING REDUNDANCY

A hydraulic braking system has a vacuum brake booster, an ESC system with a hydraulic pump for generating braking force in a wheel-specific manner in a plurality of wheel brakes, an ESC control device for driving the hydraulic pump and a hydraulic pressure sensor for determining a hydraulic pressure in the hydraulic braking system. For electrified vehicles, an electric vacuum pump is provided for supplying the vacuum brake booster, wherein the ESC control device is designed to drive the electric vacuum pump logically and electrically.

DEVICE FOR MOVING BRAKE PEDAL
20230093208 · 2023-03-23 · ·

Disclosed is a device for moving a brake pedal. The device for moving a brake pedal according to the present embodiment comprises: a lead screw fixed to an input rod of the brake pedal and having a first screw thread formed on the outer circumferential surface thereof; a first anti-rotation unit that prevents rotation of the lead screw; an actuator that provides power; a rotator rotated by the actuator; and a nut that rotates together with the rotator and is provided to be slidably movable with respect to the rotator, and that has a second screw thread formed on the inner circumferential surface thereof for meshing with the first screw thread.

METHOD OF AUTOMATICALLY CONTROLLING VEHICLE AUTO-HOLD
20220332325 · 2022-10-20 · ·

A method of automatically controlling vehicle auto-hold includes: collecting information on a vehicle traveling condition that applies when a driver operates a brake pedal while a vehicle is traveling; selecting learning data for learning on a pattern of a driver's operation from among pieces of the information collected in the collecting of the information on the vehicle traveling condition and storing the selected learning data; performing the learning on the pattern of the driver's operation based on the learning data and generating a categorization model for the pattern of the driver's operation according to a result of the learning; and determining whether or not to cause the auto-hold switch to enter an automatic operation mode while the vehicle is traveling, using the categorization model, and selectively causing the auto-hold switch to enter the automatic operation mode according to a result of the determining.

Vehicle having motor and method of controlling the same to prevent collision thereof

A method of controlling an electrified vehicle to prevent a collision thereof includes: determining whether an accelerator pedal is erroneously operated in the situation in which an obstacle is detected to be present in a traveling path; and when it is determined that the accelerator pedal is erroneously operated, performing braking control such that at least one of hydraulic braking or regenerative braking is selectively performed in a plurality of braking sections determined based on a current vehicle speed and a distance to the obstacle.