Patent classifications
B60T13/142
Fluid container having a releasable connection to a vehicle component
A fluid container for releasable connection to a vehicle component, wherein the fluid container has at least one fastening lug with an opening which is aligned with a plug-through opening in the vehicle component and the connection is secured by a locking pin which can be extended into the plug-through opening and the opening and/or opening and can be locked in an end position by a rectilinear plug-in movement in a plug-in direction; in order to increase the load-bearing capacity of the connection and to simplify the installation, it is proposed that the fastening lug has a locking device which is arranged in alignment with the respective opening and the locking device includes at least two elastically resilient tabs which act in a latching manner on a thickened locking portion of the locking pin and thereby secure the locking pin in its axial direction.
Brake device for vehicle
A brake device for a vehicle including: a master cylinder unit configured to generate hydraulic pressure by pressing of a pedal; a reservoir connected to the master cylinder unit and configured to store oil; a driving unit operated by movement of the pedal and configured to receive electric energy through a plurality of batteries to supply rotation power; a hydraulic generation unit configured to rotate by receiving the rotation power of the driving unit and generate hydraulic pressure by rotation of a plurality of rotors; wheel cylinder units configured to receive the hydraulic pressure generated by the hydraulic generation unit and constrain rotation of wheels; and a control unit configured to detect whether the driving unit normally operates and control an operation of the driving unit to supply the hydraulic generation unit with the rotation power in an event of abnormal operation of the driving unit.
ELECTRONIC BRAKE SYSTEM AND OPERATION METHOD THEREFOR
The present disclosure relates to an electronic brake system and an operation method thereof. The electronic brake system prepares various valves provided on flow paths, that connect components and a reservoir, in a closed state, and then switches the various valves to an open state after a hydraulic pressure of a pressure medium is formed by a hydraulic supply device.
Brake device for vehicle
A brake device includes a first flow path unit guiding a braking hydraulic pressure by connecting some of wheel cylinder units and a master cylinder unit; a second flow path unit guiding a braking hydraulic pressure by connecting the others of the wheel cylinder units and the master cylinder unit; a third flow path unit connecting a reservoir and pump units, and connected with the first flow path unit; a fourth flow path unit connecting the reservoir and the pump units, and connected with the second flow path unit; a fifth flow path unit connecting the reservoir and the first flow path unit; a sixth flow path unit connecting the reservoir and the second flow path unit; a seventh flow path unit selectively connecting the first and second flow path units; and an eighth flow path unit connecting the second flow path unit and the reservoir.
ELECTRO MECHANICAL BRAKE AND CONTROL METHOD THEREOF
According to at least one embodiment, the present disclosure provides an electronic braking system comprising: a main master cylinder including a main body, a main piston that is accommodated to be movable in the main body, a main chamber that is defined in the main body and connected with at least one wheel brake, a motor that generates a rotation force, and a power conversion unit that has one side connected with the motor and another side connected with the main piston, and converts a rotational motion of the motor into a straight motion, the main master cylinder being configured to generate hydraulic pressure by movement of the main piston; a motor position sensor disposed to sense a rotation distance of the motor; and a braking controller configured to perform control to move the main piston to a preset initial position by calculating displacement of the main piston based on the rotation distance of the motor and adjusting an amount of a current that is supplied to the motor.
Apparatus and method for performing rear-wheel regenerative braking control of ESC integrated regenerative braking system
Provided are an apparatus and method for performing rear-wheel regenerative braking control of an ESC integrated regenerative braking system. The apparatus includes: a pedal cylinder unit connected with a reserve unit in which oil is stored and configured to generate an oil pressure as a brake pedal is pressed; a motor driven by an electric signal that is output in response to displacement of the brake pedal; a master cylinder unit connected with the pedal cylinder unit; a control unit configured to perform reverse pressure control on the motor as much as a variation in a rear-wheel regenerative braking force if transition of the rear-wheel regenerative braking force occurs, and perform drive pressure control on the motor if the transition of the rear-wheel regenerative braking force is completed; and oil pressure relief valves provided on oil pressure lines that connect from the reserve unit to wheel cylinders.
BRAKE-BY-WIRE SYSTEM WITH PRESSURE BALANCED PSU PISTON
An electro-hydraulic brake system includes a master cylinder (MC) fluidly coupled to an MC fluid passageway and configured to supply fluid into the MC fluid passageway in response to pressing force on a brake pedal. A pressure supply unit (PSU) includes an electric motor and a PSU piston disposed within a piston bore, the PSU piston is movable through the piston bore by the electric motor and divides the piston bore into a first chamber and a second chamber. A pedal feel emulator (PFE) includes a PFE piston movable through a PFE bore and separating an upper chamber from a lower chamber. Fluid is conveyed from the lower chamber of the PFE to the second chamber of the PSU in response to a compression of the PFE. The MC fluid passageway provides a fluid path from the master cylinder into the upper chamber of the PFE.
Hydraulic braking system for a vehicle and corresponding operating method
A hydraulic braking system for a vehicle includes a master brake cylinder, a hydraulic unit and a plurality of wheel brakes, the hydraulic unit including at least one brake circuit for brake pressure modulation in the wheel brakes. A bistable solenoid valve is associated with at least one wheel brake, which valve is looped into the corresponding fluid channel, immediately upstream of the associated wheel brake, and in a de-energized open position enables brake pressure modulation in the associated wheel brake, and in a de-energized closed position seals a current brake pressure in the associated wheel brake, wherein a hydraulic force brought about by the sealed-in brake pressure acts in a seat-opening manner in the corresponding bistable solenoid valve.
ACTUATION DEVICE FOR A HYDRAULIC ACTUATION SYSTEM, IN PARTICULAR A MOTOR VEHICLE BRAKE OR AN ELECTRIFIED CLUTCH ACTUATOR, OPTIONALLY WITH GEAR ACTUATOR
An actuation device for a hydraulic actuation system, e.g., a motor vehicle brake or an electrified clutch actuator, may include a connection for an actuation device; a pressure supply device, driven by an electromotor drive, in the form of a piston or double-stroke piston pump; a piston cylinder unit that may be actuated by means of the actuation device; and an electronic control unit. An axis of the piston cylinder unit and an axis of the pressure supply device may be arranged in parallel.
HYDRAULIC ARRANGEMENT, DIAGNOSTIC METHOD, AND BRAKE SYSTEM
A hydraulic arrangement for a brake system is disclosed. The hydraulic arrangement comprises a pressure-providing device, a reservoir for storing a pressure medium and a bleed line. The pressure-providing device has at least one pressure chamber which can be connected to a brake circuit. The reservoir has a first partial reservoir, which can be connected via a first reservoir line to a first pressure chamber of a piston-cylinder arrangement. The first pressure chamber of the piston-cylinder arrangement is delimited by a piston, which can be adjusted by an actuating device. The bleed line connects a bleed outlet of the pressure-providing device to the first reservoir line. A diagnostic method and brake system are also disclosed.