A brake fluid pressure control unit that can improve cost performance of a brake system is obtained. A brake system that includes such a brake fluid pressure control unit and a motorcycle are also obtained.

A brake fluid pressure control unit 50 includes: an inlet valve 21 provided in a primary channel 14; an outlet valve 22 provided in a secondary channel 15; a pressurizing/transferring mechanism 25 provided on a downstream side of the outlet valve 22 in the secondary channel 15 and pressurizing and transferring a brake fluid in the secondary channel 15; and a controller 51 for executing a fluid pressure control operation of the brake fluid in a wheel cylinder 13, and a power source of the pressurizing/transferring mechanism 25 is a drive mechanism 103 of the motorcycle 100, the drive mechanism 103 being driven in a state where the fluid pressure control operation by the controller 51 is not executed.

A hydraulic brake for a motor vehicle in which one inlet valve and one outlet valve, configured in the switchable fashion, is respectively made available for at least one wheel, wherein the inlet valve is fluidly coupled to the outlet valve downstream of the inlet valve via a brake pressure line, and wherein a hydraulic accumulator for storing hydraulic fluid is made available downstream of the outlet valve. The hydraulic accumulator is reaction-free in a recuperative braking mode. The brake pressure line is coupled to a piston of a brake lining of a friction brake of the wheel via a valve arrangement, wherein the valve arrangement has a first valve which opens only towards the piston, and a second valve which opens only towards the brake pressure line, and wherein an opening pressure of the first valve is higher than a residual pressure brought about by the hydraulic accumulator.

An active safety control system and method for a vehicle include: a plurality of motors arranged on a plurality of wheels; a plurality of brakes arranged on the plurality of wheels; a hydraulic braking device; a pedal detection device, used for detecting pedal signals of the vehicle; a motor state detection device, used for detecting the states of the plurality of motors; a plurality of wheel speed detection devices, arranged on the plurality of wheels, used for detecting speeds of the wheels and generating wheel speed detection signals; a power battery, connected with the plurality of motors respectively; and a control device, used for obtaining braking torques according to the pedal signals and the wheel speed detection signals, determining a corresponding braking mode according to the states of motors, and controlling the brakes, the motors and the hydraulic braking device according to the braking mode and the braking torques.

A brake fluid pressure control unit that can improve installability of a brake system in a motorcycle is obtained. A brake system for a motorcycle that includes such a brake fluid pressure control unit is also obtained.

A brake fluid pressure control unit 50 includes: a first primary base body 31 provided with an inlet valve 21 and an outlet valve 22 of a first hydraulic circuit 2; a first secondary base body 32 provided with a pressurizing/transferring mechanism 25 of the first hydraulic circuit 2; a second primary base body 33 provided with an inlet valve 21 and an outlet valve 22 of a second hydraulic circuit 3; and a second secondary base body 34 provided with a pressurizing/transferring mechanism 25 of the second hydraulic circuit 3, and the first primary base body 31, the first secondary base body 32, the second primary base body 33, and the second secondary base body 34 are separated.

In a method for actuating a hydraulic braking system, a hydraulic fluid is temporarily stored in a storage chamber when the antilocking system is activated. An additional hydraulic buffer volume of the storage chamber increases as the vehicle speed decreases.

A method for operating a brake system for a vehicle, the brake system including a master brake cylinder coupled to an electromechanical brake booster having a booster body. The method involves: From an initial position, displacing the booster body relative to the master brake cylinder by an adjusting travel in the direction towards the master brake cylinder into an end position; from the end position, displacing the booster body relative to the master brake cylinder by the same adjusting travel in an opposite direction away from the master brake cylinder back into the initial position; during the step of displacing the booster body from the end position back into the initial position, sucking hydraulic fluid from wheel brake devices that coupled in a fluid manner with the brake system and assigned to wheels of the vehicle, for the reduction of a hydraulic fluid pressure existing in the wheel brake devices.