18results about "ABS control systems" patented technology

An ABS device for a hydraulic braking system of a bicycle or motorcycle, in particular for bicycles, comprises an electrically actuated valve unit (13) which is switchable between a first operating state in which a master cylinder (2) associated with a brake lever is in contact with an actuating cylinder (3) of a brake device and a second operating state in which the connection is interrupted and the actuating cylinder (3) of the brake device is in contact with a fluid accumulator (9).An electronic control (E) is designed to control the position of the moving element (11) of the fluid accumulator (9) both during activation of the ABS function and during deactivation of the ABS function in order to effect: a non-abrupt, but progressive, change in the pressure (CP) in the line (8) connected to the actuating cylinder (3) of the brake device (F), as a function of the rotational speed (ω) of the wheel (R1) to which the brake device is assigned, and as a function of a second parameter, which is the pressure (CP) in the actuating cylinder (3) of the brake device or the deceleration of the vehicle, which is detected or calculated from a sensor assigned to the vehicle.

To provide an improved brake system.SOLUTION: The present invention discloses a brake system including: a drive unit, in particular, a brake pedal 1; a first piston-cylinder unit THZ allowing brake circuits BK1, BK2 to receive a pressure medium through a valve device FV and including two pistons 12, 16, one piston 16 configured to be driven by the drive unit; a second piston-cylinder unit including an electric motor driving body 8, a transmission device 7, and at least one piston 10 for supplying the pressure medium through the valve device to the brake circuit BK1; and a motor pump unit ESP including valve devices HSV, USV, EV, AV for supplying the pressure medium to the brake circuit. The brake system further includes a hydraulic stroke simulator WS including a pressure chamber or an operation chamber connected to the first piston-cylinder unit.SELECTED DRAWING: Figure 1

Housing structure for mounting a solenoid coil assembly for receiving the solenoid coil assembly that controls a flow path of a hydraulic device, comprising: a terminal clamping area forming a terminal clamping opening designed to be coupled to a terminal of the solenoid coil assembly; wherein the terminal clamping area has profiles that are formed in the terminal clamping opening in order to be in contact with the terminal over a flat surface.

The invention relates to a braking system (6) for a motor vehicle with two control units (16, 18), namely a primary control unit (16) and a secondary control unit (18). The braking system (6) is configured such that, in a wake-up mode of the braking system (6), when a braking command is entered by a driver, either the primary control unit (16) or the secondary control unit (18) controls the generation of a braking force depending on the situation, namely whether a critical or a non-critical braking situation exists.

A braking system for a motor vehicle with two control devices, namely a primary control device and a secondary control device. The braking system is configured in such a way that, in a wake-up mode of the braking system, when a driver inputs a braking command, either the primary control device or the secondary control device controls the generation of a braking force in dependence on the input braking command, depending on the situation, namely depending on whether a critical or a non-critical braking situation exists.

To provide an improved brake system.SOLUTION: A two-box brake system includes: a first piston-cylinder unit which has a motor-driven body and a transmission device as a first box; and an ESP unit for supplying a pressure medium to a wheel brake as a second box. The first piston-cylinder unit has a pressure supply piston for supplying the pressure medium to the ESP unit through first and second hydraulic lines. An emergency ABS function without the ESP unit is adapted to be executed using the first piston-cylinder unit and a separation valve. The emergency ABS function is executed so that pressures supplied to the wheel brake of the first shaft and the wheel brake of the second shaft are separately adjusted, or the emergency ABS function in an emergency operation without a motor pump unit of the ESP unit is adapted to be executed using valves of the first piston-cylinder unit and the ESP unit.SELECTED DRAWING: Figure 1

The invention provides an ABS device for a hydraulic braking system of a bicycle or motorcycle, comprising an electrically actuated valve unit (13) switchable between a first operating state in which a master cylinder (2) associated with a brake lever is connected to an actuator cylinder (3) of a brake device, and a second operating state in which said connection is interrupted and the actuator cylinder (3) is connected to a fluid accumulator (9). An electronic control device (E) is configured to control the position of the moving element (11) of the fluid accumulator (9), both during ABS activation and during ABS deactivation, so as to cause a non-abrupt, but gradual, change in pressure (CP) in the connecting line (8) to the actuator cylinder (3). Abstract figure: FIG. 1.

An ABS device of a cycle includes an electrically actuated valve unit, switchable between a first operating condition in which a master cylinder is placed in communication with an actuator cylinder of a brake device, and a second operating condition, in which the communication is interrupted and the actuator cylinder is placed in communication with a fluid accumulator. An electronic controller is configured for controlling the position of the movable member of the fluid accumulator, during an activation of the ABS function and a deactivation of the ABS function, to cause a non-abrupt, but progressive, variation of the pressure in the line connecting to the actuator cylinder of the brake device.

The invention relates to a method for operating a brake system of a motor vehicle, wherein the brake system has a parking brake device, which is only allowed to be actuated to produce a parking brake force acting on a wheel of the motor vehicle if a speed value (3) is below a speed threshold value (4). It is provided that the speed value (3) is determined from a speed measurement value (2) which is at least temporarily associated with a speed (1) of the motor vehicle, wherein the speed value (3) follows the speed measurement value (2) with a speed gradient when the speed measurement value (2) is below the speed value (3), which speed gradient is limited to a speed gradient limit value. The invention also relates to a brake system of a motor vehicle.

We provide an ABS device that is simple, lightweight, and low-cost, ensuring the complete operation of the braking system. [Solution] The ABS device for a two-wheeled bicycle comprises an electrically operated valve unit that can switch between a first operating state in which a master cylinder associated with the brake lever communicates with the actuator cylinder of the brake device, and a second operating state in which communication is interrupted and the actuator cylinder communicates with a fluid accumulator, and an electronic controller is configured to control the position of a movable member of the fluid accumulator to cause a gradual rather than abrupt fluctuation of pressure in the conduit connected to the actuator cylinder of the brake device as a function of the wheel rotation speed, or as a function of a second parameter which is the pressure in the actuator cylinder or the deceleration of the vehicle detected or calculated based on a sensor.

Disclosed is electro mechanical brake system including: first pedal sensor, second pedal sensor, and third pedal sensor configured to detect pedal effort applied to brake pedal and generate first braking signal, second braking signal, and third braking signal; first EMB, second EMB, third EMB, and fourth EMB respectively installed in plurality of wheels of vehicle and configured to provide braking force to plurality of wheels of vehicle; first brake controller connected to first pedal sensor, and configured to obtain first target braking torque based on first braking signal and transmit first target braking torque to first, second, third and fourth EMBs; and second brake controller connected to first pedal sensor, second pedal sensor, and third pedal sensor, and configured to obtain second target braking torque based on first braking signal, second braking signal, and third braking signal and transmit second target braking torque to first, second, third and fourth EMBs.

1. A method (600) for controlling a braking system of a vehicle for braking force distribution to park the vehicle, comprising: - receiving, by a control system of a braking system for distribution of braking force for parking a vehicle, first information representative of a first working temperature of a first front axle of the vehicle (601); - receiving, by the system, second information representative of a second operating temperature of a second rear axle of the vehicle (602); receiving, by the system, second information representative of a second operating temperature of a second rear axle of the vehicle (603); - receiving, by the system, third information representative of the gradient of the vehicle (603); receiving, by the system, third information representative of the gradient of the vehicle (604); - receiving, by the system, fourth information representative of a coefficient of friction between the vehicle and the road (604); receiving, by the system, fourth information representative of a coefficient of friction between the vehicle and the road (606); - receiving, by the system, fifth information representative of the weight of the vehicle (605); receiving, by the system, fifth information representative of the weight of the vehicle (606); - By the system, and determining (606) a first target braking force to be applied to the first front axle of the vehicle and a second target braking force to be applied to the second rear axle of the vehicle to obtain parking based on first information representative of a first operating temperature of a first front axle of the vehicle, second information representative of a temperature of a second rear axle, third information representative of a gradient of the vehicle, fourth information representative of a coefficient of friction between the vehicle and a road surface, and fifth information representative of a weight of the vehicle.

A monitoring system for a rail freight wagon (2, 3, 4), in which an axle end generator (5) is provided on an axle (aa, bb) of the freight wagon to provide an electrical supply to a mechatronic brake valve (6) for controlling brake pressures to the axle. The system further comprises a wheel speed sensor (17) and a brake pressure sensor (7) and a gateway (21) configured to transmit the data from the sensors off of the freight wagon. The mechatronic valve of the axle monitoring system enables brake pressure to be released when an axle locks to prevent wheel slide. This reduces the incidence of wheel flats and extends the life of the wheels and axles.

An ABS device for a hydraulic braking system of a bicycle or motorcycle, particularly a bicycle, includes an electrically actuated valve unit switchable between a first operating state and a second operating state. In the first operating state, a master cylinder associated with the brake lever is positioned in communication with an actuating cylinder of the brake device. In the second operating state, this communication is interrupted, and the actuating cylinder of the brake device is positioned in communication with a fluid accumulator. An electronic controller is configured to control the position of a movable member of the fluid accumulator both during ABS activation and during ABS deactivation, so as to cause a non-sudden, but gradual change in pressure in the line connected to the actuating cylinder of the brake device, based on the rotational speed of the wheel associated with the brake device and a second parameter, either the pressure in the actuating cylinder of the brake device or the deceleration of the vehicle detected or calculated based on sensors associated with the vehicle.