An ECP overlay system for a UIC-type distributor valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a brake system, a valve face configured to engage a face of a UIC-type distributor valve of a brake system, and an electric manifold face. The system further including an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode where the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a rbrake system.

An ECP overlay system for a W-type triple valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a vehicle brake system, a valve face configured to engage a face of a W-type triple valve of a vehicle brake system, and an electric manifold face. The system also includes an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode here the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of vehicle brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a vehicle brake system.

A trailer control valve for a tractor includes a body defining a supply port and first and second delivery ports. The supply port is configured for fluid communication with a fluid source on the tractor. The first and second delivery ports are configured for fluid communication with glad-hand connectors through which fluid is supplied from the tractor to a trailer for, respectively, releasing a parking brake and applying a service brake. The first delivery port is in fluid communication with the supply port. A relay valve is supported within the body and includes a valve member configured to move between positions preventing and permitting fluid communication between the supply port and the second delivery port. Pressure transducers in the body generate pressure signals indicative of fluid pressure at the delivery ports permitting detection of the presence of a trailer coupled to the tractor.

A hydraulic assembly of a traction control system of a hydraulic vehicle brake system includes a hydraulic block, a motor block, and a control device. The hydraulic block includes at least one electric hydraulic valve and at least one electric hydraulic pump arranged therein. The motor block includes an electric motor arranged therein. The electric motor is configured to drive the at least one hydraulic pump. The control device is configured to control the at least one hydraulic valve, the at least one hydraulic pump, and the electric motor. The control device has two structurally separate control units, which include a first control unit with signal components and a second control unit with power components.

The invention has a purpose of obtaining a brake hydraulic pressure controller capable of securing durability with a simple configuration and a motorcycle brake system.

The brake hydraulic pressure controller is a hydraulic pressure controller for a vehicle brake system and includes: a base body that is formed with a channel filled with a brake fluid therein; a hydraulic pressure regulation valve that has a plunger and opens/closes the channel by translatory movement of said plunger; a drive coil that has a hollow section, is vertically provided in the base body in a state where one end of the plunger is inserted in said hollow section, and causes the translatory movement of the plunger to drive the hydraulic pressure regulation valve; and a coil casing that accommodates the drive coil. The coil casing includes a wall that covers at least a part of an apex of the vertically-provided drive coil, and the drive coil is pressed toward the base body by a projection formed in the wall.

Electronically controlled pneumatic brake system and method for an automotive vehicle, said system comprising a front axle brake module (FBM) for providing pneumatic control pressure to the left and right front pneumatic brake actuators (FW-L, FW-R), one or more rear axle brake module (RBM) for providing pneumatic control pressure to the left and right rear pneumatic brake actuators (RW-L,RW-R), an air production module (6) selectively providing air under pressure to said front and rear axles electronic brake modules via a first air supply circuit (AC1) for the rear axle, a second air supply circuit (AC2) for the front axle, first and second air reservoirs (R1,R2), respectively coupled to first and second air supply circuits, and a third reservoir (R3) and a third air supply circuit (AC3) connected to the third reservoir (R3), for providing a redundant pneumatic supply to the front and rear axle brake modules, the third air supply circuit (AC3) providing same braking performance as the first air supply circuit (AC1) for the rear axle and same braking performance as the second air supply circuit (AC2) for the front axle.

An electronically controlled pneumatic brake system for a vehicle, with a normal brake operating mode (NOM) and a backup brake operating mode (BKM), said system comprising: —a front axle brake module (FBM) for providing pneumatic control pressure to the left and right front pneumatic brake actuators (FW-L, FW-R), one or more rear axle brake module (RBM) for providing pneumatic control pressure to the left and right rear pneumatic brake actuators (RW-L,RW-R), a trailer brake interface(5), —an air production module (6) selectively providing air under pressure to said axles electronic brake modules (FBM,RBM) via first and second air supply circuits (AC1,AC2), a trailer relay valve (1), wherein each of the front and rear axle brake modules (FBM,RBM) is controlled by an electrical control signal (NBC,ES1,ES2) under the normal brake operating mode (NOM) and is controlled by a pneumatic backup brake control line (BKC) under the backup brake operating mode (BKM), wherein the output (12) of trailer relay valve is connected to the trailer brake interface(5) under the normal brake operating mode (NOM), and the output (12) of trailer relay valve is connected to the pneumatic backup brake control line (BKC) under the backup brake operating mode (BKM).

An electric equipment component of a vehicle having an electric braking/steering device, including: a) an electric steering device with/without a continuous mechanical connection between a steering wheel and a steering gear mechanism, and an electronic steering control device and an electric steering actuator; an electropneumatic service brake device having an electropneumatic service brake valve device, an electronic brake control device, electropneumatic modulators and pneumatic wheel brake actuators; and a device having the electronic evaluation device of the electropneumatic service brake valve device and generating a second activation force independently of a driver's braking request, the further device acting on the control piston in the same or opposite direction to the first activation force when a braking request, independent of the driver's request, is present; the electronic evaluation device being integrated into the electronic steering control device, or the electronic steering control device being integrated into the electronic evaluation device.

A method and system supply compressed air to a vehicle as required, more particularly a rail vehicle, wherein at least the primary air requirement of the rail vehicle for operating a pneumatic braking system is covered by a primary air compressor that is connected to a primary tank air line and wherein additional compressed air for operating auxiliary units is generated by at least one electromotive auxiliary air compressor having a lower delivery output than the primary air compressor. When the vehicle is parked, only the at least one auxiliary air compressor is used to generate compressed air as required, the air being used, whilst the vehicle is parked, to maintain permanent contact between a current collector that is actuated by a pneumatic actuating drive and an electric supply line.

An electropneumatic brake control module (1) has a supply connection (2) for connecting a compressed air supply (3); a first wheel brake connection (4) and a second wheel brake connection (6); a pneumatically controlled inlet-outlet valve unit (8) for controlling a first brake pressure (PB1) at the first wheel brake connection (4) and a second brake pressure (PB2) at the second wheel brake connection (6), which is independent of the first brake pressure (PB1); and an electropneumatic pilot control unit (10) for controlling at least one main control pressure (PH) at a main valve (12) of the inlet-outlet valve unit (10). The main valve (12) of the inlet-outlet valve unit (10) is a pneumatically controllable 3/2-way valve (13) with a main valve control connection (12.4).