A stoke simulator operable by an operation of a brake operation member that is operated by a driver, including: a housing: a movable member held by the housing so as to be movable relative to the housing, the movable member being connected to the brake operation member; a volume change chamber disposed forward of the movable member in the housing; and a plurality of elastic members disposed in the volume change chamber and capable of generating an elastic force in accordance with a movement of the movable member, at least one of the plurality of elastic members being a rubber-like member.

A brake system, including four hydraulically actuatable wheel brakes. Each wheel brake is assigned in each case one outlet valve which is closed when electrically deenergized. Each wheel brake is assigned in each case one inlet valve which is open when electrically deenergized. The brake system furthermore includes a simulator which is actuatable by a brake pedal, wherein two pressure provision devices are provided for actively building up pressure in the wheel brakes, two brake circuits are hydraulically formed, wherein, in each brake circuit, in each case one pressure provision device is hydraulically connected to two wheel brakes, and wherein two separate on-board electrical systems are provided, and wherein each pressure provision device is fed in each case by one of the two on-board electrical systems.

A brake pedal assembly comprising a pedal and a pedal resistance force member operably coupled to the pedal. A damper pedal resistance force module defines an interior fluid-filled cavity. A shaft extends through the damper module and includes a piston mounted thereon and moveable through the fluid-filled cavity to generate a damper resistance force. A spring pedal resistance force module is adapted to generate a spring pedal resistance force. A pedal force sensing module is mounted to the pedal resistance force member. A pedal position sensor is mounted to the pedal resistance force member. A pedal force sensor is mounted to the pedal resistance force member.

A hydraulic brake system includes a brake actuating element, a simulation device with a detector for detecting brake actuation by a driver. No mechanical and/or hydraulic operative connection between the brake actuating element and the wheel brakes is provided. A pressure medium reservoir, an electrically controllable pressure source for actuating the wheel brakes can be connected to each of the wheel brakes, electrically actuable wheel valves assigned to the wheel brakes for setting wheel brake pressures, and at least one electronic control and regulating unit for actuating the pressure source and wheel valves. The pressure source includes at least one piston which is sealed in a housing by a first sealing element and a second sealing element. In the case of a leak of the first sealing element, a pressure build-up is carried out at the wheel brakes by the pressure source with use of the second sealing element.

A brake system comprises a first electrohydraulic open-loop and closed-loop control unit. The first electrohydraulic control unit comprises a master brake cylinder actuatable by a brake pedal; a first electrically controllable pressure-providing device; and an electrically controllable pressure-modulating device sets wheel-specific brake pressures for the wheel brakes. The electrically controllable pressure-modulating device has at least one electrically actuatable inlet valve for each wheel brake. A first pressure-medium reservoir for supplying the first electrohydraulic control unit with pressure medium is arranged on the first electrohydraulic control unit. The brake system also comprises a second electrohydraulic open-loop and closed-loop control unit, which comprises a second electrically controllable pressure-providing device for actuating at least some of the wheel brakes and electrically actuatable valves. A second pressure-medium reservoir for supplying the second electrohydraulic control unit with pressure medium is provided, the second pressure-medium reservoir being arranged on the second electrohydraulic control unit.

A control device is provided for a hydraulic braking system of a vehicle, including an actuating device which is designed for outputting, at least temporarily, at least one first control signal and at least one second control signal in at least a first operating mode, taking into account at least one sensor signal. A known hydraulic braking system may be controlled with the aid of the control signals, output by the actuating device, in such a way that during an activation of a brake actuating element, at least one blending valve of a first brake circuit which is connected to the master brake cylinder via a first changeover valve is controlled into an at least partially open state in such a way that brake fluid is displaceable into at least one storage chamber.

A vehicle braking device includes: a stroke simulator for generating a hydraulic pressure corresponding to a brake operation in a hydraulic chamber, the stroke simulator having a cylinder part and a piston part for sliding through the inside of the cylinder part in conjunction with a brake operation of a brake pedal; a booster mechanism having an input part directly pressed by the piston part or pressed by a spring interposed between the input part and the piston part in conjunction with the sliding of the piston part, and thereby moved in sliding fashion through the inside of the cylinder, and a hydraulic pressure generating part for generating a first hydraulic pressure corresponding to the movement of the input part based on the hydraulic pressure of an accumulator; and a wheel cylinder for applying a braking force to a vehicle wheel on the basis of the first hydraulic pressure.

A brake system includes first and second wheel brakes, a reservoir, and a brake pedal unit having a housing and a pair of output pistons slidably disposed in the housing. The output pistons generate brake actuating pressure during a manual push-through mode for actuating the first and second wheel brakes. The system further includes a plunger assembly having a housing having first and second ports, a motor driving an actuator, and a piston connected to the actuator. The piston pressurizes a first chamber when the piston is moving in a first direction to provide fluid flow out of the first port. The piston pressurizes a second chamber when the piston is moving in a second direction opposite the first direction to provide fluid flow out of the second port. The first and second ports are selectively in fluid communication with the wheel brakes.

Provided is an electronic brake system. The electronic brake system includes: a reservoir in which a pressurized medium is stored; an integrated master cylinder including a master chamber and a simulation chamber; a reservoir flow path to communicate the integrated master cylinder and the reservoir; a hydraulic pressure supply device configured to generate a hydraulic pressure by operating a hydraulic piston according to an electrical signal output in response to a displacement of a brake pedal, and including a first pressure chamber provided on one side of the hydraulic piston accommodated to be movable in a cylinder block and connected to one or more wheel cylinders, and a second pressure chamber provided on another side of the hydraulic piston and connected to the one or more wheel cylinders; a hydraulic control unit having a first hydraulic circuit configured to control a hydraulic pressure transferred to two wheel cylinders and a second hydraulic circuit configured to control a hydraulic pressure transferred to other two wheel cylinders; and an electronic control unit configured to control valves based on hydraulic pressure information and displacement information of the brake pedal.

The present disclosure relates to an electronic brake system. The electronic brake system includes a reservoir in which a pressurized medium is stored, an integrated master cylinder including a master chamber and a simulation chamber, a reservoir flow path communicating the integrated master cylinder with the reservoir, a hydraulic pressure supply device provided to generate a hydraulic pressure by operating the hydraulic piston according to an electrical signal output in response to a displacement of the brake pedal, a hydraulic control unit including a first hydraulic circuit provided to control the hydraulic pressure transferred to two wheel cylinders and a second hydraulic circuit provided to control the hydraulic pressure transferred to the other two wheel cylinders, and an electronic control unit provided to control valves based on hydraulic pressure information and displacement information of the brake pedal.