B60T8/4086

Brake-force simulator for a motor vehicle

A brake-force simulator for a motor vehicle includes a piston operatively connectible to an operable brake pedal that is guided in an axially displaceable manner in a cylinder; and at least one elastomer spring element situated in the cylinder, which acts with a spring force counter to the movement of the piston in one direction.

BRAKE PEDAL FEEDBACK SYSTEM
20230264665 · 2023-08-24 ·

A brake pedal feedback system includes a spring driver, a first spring, a first brake pedal, and a second brake pedal. The spring driver includes a first recess and a second recess. The first brake pedal includes a first extension at least partially positioned in the first recess. The second first brake pedal includes a second extension at least partially positioned in the second recess. When the first brake pedal is in an engaged position and the second brake pedal is in a disengaged position, the first extension contacts a first surface of the first recess causing the spring driver to move the first spring from a relaxed condition to an energy storing condition, and the second extension is spaced apart from a first surface of the second recess.

Method for travel-sensing, travel-sensing arrangement and brake system

A method for sensing travel by a travel-sensing arrangement for a brake system, wherein the travel-sensing arrangement has a first magnetic angle sensor, and the method includes determining a first field strength in a first direction and determining a second field strength in a second direction by the first angle sensor, wherein the travel-sensing arrangement has a second magnetic angle sensor which is arranged at a predetermined distance from the first angle sensor, and the method further includes determining a first field strength in a first direction and determining a second field strength in a second direction by the second angle sensor. A travel-sensing arrangement, to a brake system having a travel-sensing arrangement, to a motor-vehicle and to a use of the travel-sensing arrangement and the method in a brake system.

HYDRAULIC UNIT

A hydraulic unit for a slip-controlled brake system, the simulator receiving hole of which is aligned transversely to a master cylinder hole in a receiving body of the hydraulic unit, thus enabling a section of the simulator to be received in a cap of a control unit.

Brake system with a new type of MUX control (MUX 2.0), having an outlet valve per brake system or an outlet valve per brake circuit, and method for controlling pressure
11760329 · 2023-09-19 · ·

A brake system for motor vehicles may include an actuation device (e.g., brake pedal), a travel simulator to generate a feedback force on the actuation device, a first piston-cylinder unit having at least one piston that separates two working chambers that are connected via at least one hydraulic line to at least one wheel brake of a brake circuit, a control device and a pressure supply unit driven by an electric motor. At least one wheel brake may be assigned to each brake circuit, and each wheel brake may be connected to its associated hydraulic connecting line via a controllable switching valve. An outlet valve may be assigned to a single wheel brake or to a single wheel brake of each brake circuit in a hydraulic connection between the wheel brake and a pressure medium storage container, without any further valve disposed as such.

ELECTRONIC BRAKE SYSTEM
20220017051 · 2022-01-20 ·

Provided is an electronic brake system including, a master cylinder including a first piston connected to a pedal and a second piston configured to partition a first master chamber and a second master chamber provided in front of the first piston, a reservoir in which a braking fluid is stored, the reservoir connected to the first master chamber by a first reservoir passage, and connected the second master chamber by a second reservoir passage, a hydraulic pressure supply device configured to generate a hydraulic pressure by an electrical signal output in response to a displacement of the pedal, a first connection line configured to connect the first master chamber to a first hydraulic circuit, a second connection line configured to connect the second master chamber to a second hydraulic circuit, and a third connection line configured to connect the hydraulic pressure supply device to the reservoir, wherein a mechanical part including the reservoir and the master cylinder is installed in a first block, and an electronic part including the hydraulic pressure supply device and the first hydraulic circuit, the second hydraulic circuit is installed in a second block, and each of the first connection line, the second connection line, and the third connection line is provided to connect the first block to the second block.

Electric brake device
11780417 · 2023-10-10 · ·

An electric brake device is disclosed. The electric brake device includes a reservoir configured to store brake oil; a reaction force cylinder fluidically communicating with the reservoir and configured to change a pedal effort and a pressure of the brake oil in operative connection with a movement of a pedal; a wheel brake mechanism configured to restrain rotation of wheels of a vehicle in connection with the operation of the reaction force cylinder; and a pedal effort adjustment stopper configured to adjust a change in magnitude of the pedal effort according to the movement of the pedal, the pedal effort adjustment stopper comprising a coupling body mounted on at least one side of the reaction force cylinder and one or more pedal effort adjusters connected to the coupling body and movable in a longitudinal direction of the reaction force cylinder.

Valve assembly, brake system and method for operating a valve assembly

A valve assembly, for controlling a fluidic connection between a brake master cylinder and a pedal simulator of a brake system of a motor vehicle, includes a first control valve and a second control valve, the second control vale being positioned between the first control valve and a pedal simulator and including first and second flow controllers to control flow volumes of hydraulic fluid that differ between first and second flow directions.

APPARATUS AND METHOD FOR CONTROL OF A HYDRAULIC BRAKE SYSTEM
20230294649 · 2023-09-21 ·

A brake system for selectively actuating at least one of a pair of front wheel brakes and a pair of rear wheel brakes includes a reservoir and a master cylinder. A power transmission unit is configured for selectively providing pressurized hydraulic fluid. A pair of rear brake motors selectively electrically actuate rear parking brakes. An electronic control unit controls at least one of the power transmission unit and the pair of rear brake motors. A normally-closed DAP valve is located hydraulically between the power transmission unit and at least one of a two-position three-way valve and at least the selected one of the pairs of wheel brakes. An isolation valve and a dump valve are associated with each wheel brake.

BRAKE DEVICE FOR VEHICLE
20220297650 · 2022-09-22 ·

A brake device for a vehicle includes: a brake pedal having a pedal part and a lever part that rotates about a rotation shaft when the pedal part is operated; a housing that rotatably supports the lever part; a reaction force generator connected to the housing and the lever part to generate a reaction force against the lever part according to a stroke amount of the brake pedal; and a stopper configured to stop the lever part by being in contact with the lever part such that the lever part is restricted from rotating in a direction opposite to a rotation direction when the pedal part is operated.