Disclosed is a hydraulic pressure supply device. According to an aspect of the present disclosure, provided is a hydraulic pressure supply device comprising: a motor coupled to one side of a modulator block, which is provided with a flow path and a valve, and having a first hollow portion; a pump housing coupled to the other side of the modulator block and having a second hollow portion; a ball nut connected to the rotary shaft and prevented from rotating by a rotating preventing means; and a piston formed in a cylindrical shape through which a piston hole is formed in the lengthwise direction and of which one end is coupled to the ball nut, and the other end is provided with a head portion having a diameter greater than the diameter of a body portion connected to the ball nut. The piston is provided in the second hollow portion.

A vehicle braking system comprises a brake fluid control assembly, connecting oil pipes, and a brake master cylinder assembly. The brake fluid control assembly comprises an oil circuit block and a pressure build-up device mounted on the oil circuit block. A side surface of the oil circuit block is provided with oil circuit block ports, one end of each connecting oil pipe is connected to the oil circuit block ports, and the brake master cylinder assembly and the brake fluid control assembly are arranged separately. An outer peripheral surface of the brake master cylinder assembly is provided with assembly ports, and the other end of each connecting oil pipe is connected to the assembly ports. The brake master cylinder assembly communicates with the brake fluid control assembly, and both the brake master cylinder assembly and the pressure build-up device can drive a brake fluid to be outputted.

A vehicle braking system comprises a brake fluid control assembly, connecting oil pipes, and a brake master cylinder assembly. The brake fluid control assembly comprises an oil circuit block and a pressure build-up device mounted on the oil circuit block. A side surface of the oil circuit block is provided with oil circuit block ports, one end of each connecting oil pipe is connected to the oil circuit block ports, and the brake master cylinder assembly and the brake fluid control assembly are arranged separately. An outer peripheral surface of the brake master cylinder assembly is provided with assembly ports, and the other end of each connecting oil pipe is connected to the assembly ports. The brake master cylinder assembly communicates with the brake fluid control assembly, and both the brake master cylinder assembly and the pressure build-up device can drive a brake fluid to be outputted.

A system is described comprising a first compressor for generating compressed air to feed a main tank and a main brake pipe of the railway vehicle through an air drying unit and a second compressor for compressing a refrigerant gas for an air conditioning system. The system comprises a single electric motor for generating a mechanical torque to be selectively supplied to the first compressor, or to the second compressor, or simultaneously to the first and second compressors, as a function of a) a first electrical signal generated by a pressure measurement device and indicative of a pressure present in the main brake pipe, or in the main tank, and b) at least a second electrical signal coming from the air conditioning system and indicative of a temperature or pressure or humidity value, and at least a third electrical signal indicative of a temperature of an environment.

A system is described comprising a first compressor for generating compressed air to feed a main tank and a main brake pipe of the railway vehicle through an air drying unit and a second compressor for compressing a refrigerant gas for an air conditioning system. The system comprises a single electric motor for generating a mechanical torque to be selectively supplied to the first compressor, or to the second compressor, or simultaneously to the first and second compressors, as a function of a) a first electrical signal generated by a pressure measurement device and indicative of a pressure present in the main brake pipe, or in the main tank, and b) at least a second electrical signal coming from the air conditioning system and indicative of a temperature or pressure or humidity value, and at least a third electrical signal indicative of a temperature of an environment.

At least some embodiments of the present disclosure are directed to distributed pump architectures used in control systems for multifunctional machines. In some cases, a control system for a multifunctional machine includes three or more control circuits. At least two of the control circuits each has a hydraulic fluid pump and each of the pumps is controlled by a different control circuit. At least two of the hydraulic fluid pump have different flow rates.

A vehicle brake system, includes a brake fluid control assembly and a brake master cylinder assembly. The brake fluid control assembly a manifold block, and a pressure buildup device mounted at the manifold block. The brake master cylinder assembly is in communication with the manifold block. The brake master cylinder assembly and the pressure buildup device drive brake fluid to be output via the manifold block. A central axis of the brake master cylinder assembly is non-perpendicular to a first axis along a movement direction of a piston of the pressure buildup device.

A vehicle brake system, includes a brake fluid control assembly and a brake master cylinder assembly. The brake fluid control assembly a manifold block, and a pressure buildup device mounted at the manifold block. The brake master cylinder assembly is in communication with the manifold block. The brake master cylinder assembly and the pressure buildup device drive brake fluid to be output via the manifold block. A central axis of the brake master cylinder assembly is non-perpendicular to a first axis along a movement direction of a piston of the pressure buildup device.

A hydraulic block for a hydraulic power unit of a hydraulic, slipped-controlled power vehicle braking system. A power piston of an electromechanical power brake pressure generator in a power cylinder borehole of the hydraulic block is guided radially in the power cylinder borehole with the aid of a guide bushing.

A hydraulic block for a hydraulic power unit of a hydraulic, slipped-controlled power vehicle braking system. A power piston of an electromechanical power brake pressure generator in a power cylinder borehole of the hydraulic block is guided radially in the power cylinder borehole with the aid of a guide bushing.