A brake control system is provided for a vehicle having steerable front wheels, left and right brake units for braking left and right rear wheels, and a single manually operated brake input device. A main brake valve has a supply port, a return port, an outlet and a valve spool for controlling communication therebetween. The valve spool is coupled to a brake input device. A normally open left turn valve controls communication between the outlet and the left brake unit. A normally open right turn valve controls communication between the outlet and the right brake unit. A normally open balance valve controls communication between the left and right brake units. The system includes a brake input device sensor, a turn angle sensor and a vehicle speed sensor. A control unit controls the left and right turn valves and the balance valve as a function of signals from the sensors.

A running control device of a vehicle includes an engine and a brake booster amplifying a brake force by forming a negative pressure in a negative pressure tank by rotation of the engine. The running control device is configured to execute an engine brake running mode performed with the engine coupled to wheels such that an engine brake is applied by driven rotation of the engine and an inertia running mode performed with an engine brake force made lower than that of the engine brake running mode. The running control device executes a first inertia running mode performed with the rotation of the engine stopped and a second inertia running mode performed with the engine kept rotating as the inertia running mode in accordance with predefined respective execution conditions. The running control device comprises a prediction portion configured to predict a necessity of the negative pressure.

A running control device of a vehicle includes an engine and a brake booster amplifying a brake force by forming a negative pressure in a negative pressure tank by rotation of the engine. The running control device is configured to execute an engine brake running mode performed with the engine coupled to wheels such that an engine brake is applied by driven rotation of the engine and an inertia running mode performed with an engine brake force made lower than that of the engine brake running mode. The running control device executes a first inertia running mode performed with the rotation of the engine stopped and a second inertia running mode performed with the engine kept rotating as the inertia running mode in accordance with predefined respective execution conditions. The running control device comprises a prediction portion configured to predict a necessity of the negative pressure.

A method for operating an electromechanical vehicle brake system is provided. The method includes determining that an activation condition has been met, selecting a pre-charge pressure based at least in part on the activation condition, building up at least an initial portion of the pre-charge pressure in the brake system, and applying at least the initial portion of the pre-charge pressure to at least one wheel brake.

In a hydraulic unit of a vehicle brake system having a first pump element, which is assigned to a first brake circuit, and a second pump element, which is assigned to a second brake circuit, the second pump element has a different delivery from the first pump element.

An input device of a vehicle brake system which is downsized and has an improved general versatility in comparison with conventional vehicle brake systems is provided. An input device 14 includes: a master cylinder 34 that produces a fluid pressure in accordance with an input of an operation of a brake operating member 12; and a stroke simulator 64 which is provided side by side with the master cylinder 34 and which applies in a pseudo manner a force counteracting the operation of the brake operating member 12 to the brake operating member 12. The master cylinder 34 and the stroke simulator 64 are formed integrally.

A wheel chock system includes a chock, a sensor disposed within the chock to sense the proximity to the tire, an outside light box, and an inside control panel. Lamps on the outside light box provide a visual indication as to when the chock is in close proximity to the wheel. Lights on the inside control panel provide a visual indication of the loading dock safety status. The wheel chock system further includes a controller coupled to the inside control panel, programmed to change visual indications of both the outside light signal box and the inside control panel, based at least on the sensor and a loading dock door sensor. The wheel chock system further includes a camera positioned to view the tire and the chock and convey an image of the tire and the chock to a display on or near the inside control panel.

A braking system is configured to perform one or more of cooperative braking or a combination of regenerative braking and hydraulic braking. The system includes a master cylinder, a reaction disc made of an elastic material and configured to compress the master cylinder, a rod assembly including an operating rod, an elastomer fixing unit, and an elastomer whose one end abuts a part of the operating rod and the other end abuts the elastomer fixing unit, an electric booster including a motor piston configured to compress a part of the reaction disc, for compressing the master cylinder by adjusting a displacement of the motor piston, and an electric controller configured to control the electric booster and perform control to brake the vehicle by using one or more of the regenerative braking and the hydraulic braking.

A method for filling a brake system of a vehicle. A filling installation is connected to the brake system and a control device of the brake system is activated. The control device monitors a pressure signal of a pressure sensor of the brake system in order to detect a filling operation carried out by the filling installation, wherein in response to detecting a start of the filling operation, valves of the brake system are activated by the control device and in response to detecting an end of the filling operation, the valves are deactivated by the control device.

A trailer air supply and control module for a electronic brake system of a motor vehicle with a trailer interface, and a brake system of a motor vehicle with a trailer interface comprising the trailer air supply and control module, includes at least two electrical terminals configured to receive two independent but redundant electrical control input signals which comprise a signal for a preset brake control outlet pressure. At least one valve is configured to adjust a constant air pressure from an air pressure source to the preset brake outlet pressure. One pneumatic outlet terminal is configured to provide the preset brake supply outlet pressure to the pneumatic brake system of the trailer, and one pneumatic outlet terminal is configured to provide the preset brake control outlet pressure to the pneumatic brake system of the trailer. The air pressure source is arranged within the trailer air supply and control module.