Abstract: A vehicle brake system includes a first main cylinder with a first main cylinder connection and a first actuating device with a first actuating connection. The first main cylinder connection is in flow-connection to the first actuating connection, and the first actuating device is operable with the first main cylinder. A first brake circuit is provided between a pump and a first wheel cylinder, where the pump in the first brake circuit is operable to generate pressure and move a fluid within the first brake circuit. A first valve device is provided in the first brake circuit where the first valve device is movable between a first configuration in which a flow connection is produced between the pump and the first wheel cylinder, and a second configuration in which a flow connection between the pump and the first wheel cylinder is prevented.

Abstract: One or more techniques and systems are described herein for synchronized air delivery method between a vehicle's central tire inflation system (CTIS) and an air trailer brake (ATB) system. A synchronized air delivery system can utilize a shared air source as a common shared input to drive two different systems, including the ATB system and CTIS. Based on ATB and CTIS air need feedback, an air compressor clutch can automatically control ON and OFF modes for air inputs using a control algorithm. Air can be provided to the ATB system, to provide air to brakes on a coupled trailer, over the tire inflation operation, such as during a braking event.

Abstract: Described are devices, systems and methods for managing a supplemental brake control system in autonomous vehicles. In some aspects, a supplemental brake management system includes brake control hardware and software that operates with a sensing mechanism for determining the brake operational status and a control mechanism for activating the supplemental brake control in an autonomous vehicle, which can be implemented in addition to the vehicle's primary brake control system.

Abstract: Disclosed are systems and methods for regulating application of an emergency brake configured to minimize jerk for riders' comfort while assuring safe application of the emergency brake.

Abstract: A semitrailer includes a wheel and an electric machine for driving the wheel, wherein the electric machine is configured so as to be operable as an electromotive brake in a braking state.

Abstract: A vehicle braking control device is capable of further raising the speed at which vehicle vehicle-body deceleration increases when automatic braking processing implementation begins. Provided as a braking control device is a control device comprising: an acquisition unit that acquires an indicator; and a braking control unit that starts the implementation of automatic braking processing if a determination is made, on the basis of the indicator, that an automatic braking condition has been established. In the automatic braking process, the braking control unit restricts the supply of brake fluid to wheel cylinders corresponding to the rear wheels, and supplies brake fluid to wheel cylinders corresponding to the front wheels to increase the pressure of the wheel cylinders, thereby increasing the braking power for the front wheels and also giving the rear wheels braking power corresponding to the driving amount of a motor for parking.

Abstract: Disclosed is a valve arrangement for aerating spring accumulator brake cylinders in a trailer vehicle with a pneumatic braking system, the valve arrangement having a first connection for a line connected to a reservoir of the trailer vehicle, a second connection for a line leading to the spring accumulator brake cylinders, and a first pneumatic control input, wherein the first connection can be connected to the second connection depending on the pressure on the first pneumatic control input. The first control input is connected to a line connected to a control connection of the trailer vehicle or to a line connected to the reservoir. A valve unit, a pneumatic braking system, a method of operating the same, and a trailer vehicle including the same are also disclosed.

Abstract: A trailer brake controller and system detects absolute deceleration of a trailer by incorporating an electronic gyroscope/accelerometer combination in order to accurately calculate the deceleration subtracting out the component which is due to the force of gravity. The controller and system also receives and reads information from the towing vehicle's speed sensor. The system detects the deceleration of the trailer and sends a signal to a trailer brake activation circuit based upon an acceleration status of the trailer. In some embodiments, the system detects that the trailer is decelerating and the trailer control device sends a signal to the trailer braking system activation circuit to activate the trailer brakes. Particularly, the system is able to detect that the trailer is decelerating at an unsafe rate and to activate the trailer brakes and slow the trailer to a safe speed.

Abstract: A vehicle brake circuit including a brake actuator, a manually operable valve, an electrically operable valve and a fluid reservoir for the supply of fluid to the actuator. The manually operated valve may be connected to the fluid reservoir either directly or indirectly through the electrically operable valve, when its position blocks a direct fluid connection with the fluid reservoir. The electrically operated valve controls activation or deactivation of the actuator except when the mechanically operated valve is in an unblocked position and overrides the electrically operated valves control of the actuator.

Abstract: A system for collecting a fluid sample from a machine having a fluid module is provided. The system includes a docking station disposed on the machine. The system also includes a pump selectively disposed in fluid communication with the fluid module of the machine. The pump is configured to draw a fluid from the fluid module. The system further includes an Unmanned Aerial Vehicle (UAV). The UAV is configured to detachably dock onto the docking station. The UAV is also configured to collect the fluid sample from the pump.

Abstract: A parking brake device having a bistable parking brake valve, a relay valve, a spring brake and electrically actuable valves, the electrically actuable valves being selectively connectable to the parking brake valve to supply pressure or atmospheric pressure, an outlet of the parking brake valve controls the relay valve, and the relay valve controls the spring brake, in which the parking brake valve has a movable piston, which is loaded by a spring and has two coaxial piston faces which delimit a first space and a second space, in which supply pressure, atmospheric pressure or a pressure which lies between them and which can be fed to the outlet of the parking brake valve can be supplied to the first space in accordance with the position of the piston, and in which the second space can be selectively connected to supply pressure or atmospheric pressure by an electrically actuable valve.

Abstract: A vehicle brake system includes a brake pedal unit (BPU) coupled to a vehicle brake pedal and including an input piston connected to operate a pedal simulator during a normal braking mode, and coupled to actuate a pair of output pistons during a manual push through mode. The output pistons are operable to generate brake actuating pressure at first and second outputs of the BPU. A hydraulic pressure source for supplying fluid at a controlled boost pressure is included. The system further includes a hydraulic control unit (HCU) adapted to be hydraulically connected to the BPU and the hydraulic pressure source, the HCU including a slip control valve arrangement, and a switching base brake valve arrangement for switching the brake system between the normal braking mode wherein boost pressure from the pressure source is supplied to first and second vehicle brakes, and the manual push through mode wherein brake actuating pressure from the BPU is supplied to the first and second vehicle brakes.

Abstract: A combined braking system, comprising hydraulic brakes associated with a vehicle axle and brakes actuatable by electromechanical actuators associated with a different vehicle axis, each electronic control unit associated with the electromechanical actuators having at least two high-speed busses, of which one is connected directly to a further electronic control unit and the other is directly or indirectly connected to an electronic or electrohydraulic control unit associated with the hydraulic brakes.

Abstract: A hydraulic vehicle braking system comprises a master cylinder having at least one piston displacably accommodated therein, a mechanical actuator that is coupled, or can be coupled, to a brake pedal for actuating the piston, and an electromechanical actuator. The electromechanical actuator is likewise provided for actuating the piston and can be activated, at least for boosting or generating brake force, when the brake pedal is actuated. Furthermore, a valve arrangement is provided, which has a first valve per wheel brake for selectively uncoupling the wheel brake from the master cylinder, and a second valve for selectively reducing the brake pressure at the wheel brake. The valve arrangement can be controlled at least within the framework of an ABS control mode.

Abstract: A brake booster for use in a hydraulic braking system having a brake pedal, a master cylinder, and a hydraulic control unit includes a housing, a screw drive arrangement positioned at least partially in the housing, a motor coupled to the housing for actuating the screw drive arrangement, and a piston assembly positioned in the housing. The piston assembly and the housing together at least partially define a first fluid chamber having an opening for providing fluid communication with the master cylinder, and a second fluid chamber having an opening for providing fluid communication with the hydraulic control unit. The screw drive arrangement is movable relative to a piston of the piston assembly between an engaged position, in which the first fluid chamber is isolated from the second fluid chamber, and a disengaged position in which the first fluid chamber is not isolated from the second fluid chamber.

Abstract: Disclosed is a method for operating a brake system for motor vehicles that can be actuated in a “brake-by-wire” operating mode both by the vehicle driver and independently of the vehicle driver, and that is operated preferably in the “brake-by-wire” operating mode, and that can be operated in a first fallback operating mode wherein a brake force amplifier is available, and in a second operating mode without brake force amplification, in which only operation by the vehicle driver is possible. According to the invention, the “brake-by-wire” operating mode, provided as the normal operating mode, is divided into energy-saving and high-power operating modes, between which a switch is made depending on the braking situation, and using different components of the hydraulic circuit.

Abstract: This invention discloses a hydraulic braking system (1) for a vehicle comprising: two pressure supply means (2, 3), two rear braking means (4, 5) and one front braking means (6), said hydraulic system (1) being characterised in that it comprises a rear inlet distributor (12), a front inlet distributor (13), a first brake distributor (10) and a second brake distributor (11), defining a standby configuration, three braking configurations pressurising: a first rear brake, a second rear brake, the two rear brakes and the front brake respectively, pressure for the front axle braking means (6) being applied through the front inlet distributor (13), the first brake distributor (10) and the second brake distributor (11).

Abstract: A brake system includes: a brake actuating element; a first piston-cylinder unit having a first piston displaceable by the brake actuating element actuated by at least a predefined minimum actuation such that a first internal pressure in the first piston-cylinder unit is increased; at least one wheel brake cylinder having a brake pressure which is increased using the increased first internal pressure; a first brake booster; and a second piston-cylinder unit having a second piston displaceable by the first brake booster so that a second internal pressure in the second piston-cylinder unit is increased, and to which the at least one wheel brake cylinder is hydraulically connected such that the brake pressure of the at least one wheel brake cylinder is increased by the increased second internal pressure.

Abstract: The invention relates to a vehicle air supply system adaptable to occasionally supply large volumes of air at relatively low pressure for purposes such as tire inflation. The system has a compressor, an air dryer, a reservoir adapted to receive air from the compressor via the air dryer, and a controller operable to cause a standard regeneration of the air dryer when a predetermined system condition is met. The controller is also operable to cause an intermediate regeneration of the air dryer in advance of the predetermined system condition being met. The controller is further operable to inhibit the intermediate regeneration. The controller is operable so as to prevent saturation of an air dryer desiccant in circumstances where the compressor is on load for an extended period of time and likely to be pumping a large volume.

Abstract: A hydraulic circuit for a motor vehicle supports operation of a power steering gear and a power assisted park brake unit incorporating a spring actuated hydraulic release (SAHR) chamber. The hydraulic circuit includes a pump with the power steering gear being connected to receive hydraulic fluid under pressure from the pump. Hydraulic fluid from the pump is delivered to first and second valves, the first or release control valve being connected to the SAHR chamber and the second or recirculation valve being coupled to return hydraulic fluid to a pump inlet.

Abstract: A dump truck is provided with service brakes provided on front wheels, and a separating block that separates and outputs hydraulic oil into each of the service brakes. The separating block is offset in a vehicle width direction from an exhaust pipe that is arranged substantially in a middle of the dump truck in the vehicle width direction. Hydraulic lines that connect the separating block and each of the service brakes are arranged to pass through the middle of the dump truck in the vehicle width direction, and are installed in a row between the separating block and the middle.

Abstract: In a brake control system, a power supply portion supplies a voltage to a plurality of actuators. When a first actuator is supplied with a voltage equal to or higher than a first minimum operating voltage from the power supply portion, the first actuator operates to perform a first function. When a second actuator is supplied with a voltage equal to or higher than a second minimum operating voltage from the power supply portion, the second actuator performs a second function. The first minimum operating voltage and the second minimum operating voltage are set to be different from each other by a predetermined value so that the first actuator and the second actuator stop operating in a predetermined sequence with a decrease in the supplied voltage.

Abstract: A hydraulic device for actuating the braking of work vehicles and the like, comprising a duct for connecting the delivery duct to the discharge duct or to an auxiliary duct, along which there are auxiliary pumping elements, which can be actuated in order to pump pressurized liquid into the feed duct; a one-way valve being provided which allow the liquid to flow along the connecting duct exclusively toward the delivery duct.

Abstract: A shaft brake mechanism of wind power generator, including a first brake assembly and a second brake assembly independent from each other. The first brake assembly serves to provide braking effect for the shaft of the wind power generator against rotation. The second brake assembly serves to naturally restrain the rotational speed of the shaft from exceeding a nominal upper limit of rotational speed. Accordingly, the wind power generator can still safely operate in a situation that the wind speed exceeds a nominal upper limit of wind speed. Therefore, the wind speed range for the operation of the wind power generator is widened to increase the total power generation capacity thereof.

Abstract: To improve brake force in front and rear combined brake control, a brake control device includes a front wheel brake caliper having at least two front wheel cylinders, and a rear wheel brake caliper having a rear wheel cylinder. A front wheel brake conduit is disposed between a front wheel master cylinder and one of the front wheel cylinders, and a rear wheel brake conduit is disposed between a rear wheel master cylinder and the rear wheel cylinder. A pressure amplification conduit branches from a first position in the rear wheel brake conduit and merges with the rear wheel brake conduit at a second position downstream of the first position. A combined brake conduit branches from a third position in the rear wheel brake conduit positioned downstream of the first position and is coupled to the other of the front wheel cylinders. A first switch control valve is disposed between the first position and the third position in the rear wheel brake conduit.

Abstract: A hydraulic assembly for operating a brake system in a motor vehicle is described, the hydraulic assembly including a hydraulic pump, an electric motor having a shaft for driving the hydraulic pump, and a rotor which is operatively linked to the shaft of the electric motor for the purpose of driving the shaft with the aid of compressed air.

Abstract: The disclosure relates to a method and a device as part of a complete brake system, that is, a brake system comprising a conventional part and a further part, such as a recuperative part, by means of which volume displacements of brake fluid are possible. The method according to the disclosure and the device according to the disclosure are used particularly if the pressure conditions in the hydraulic part of the brake system are adapted by the controllable braking force amplifier to a change in the additional braking effect of the further part of the brake system. A blending of the braking effects of the different brake systems into a constant total braking effect is thus accomplished, even if the proportion of the individual brake systems in the total braking effect change.

Abstract: A vehicle brake system includes: brakes provided for respective right-side wheel, left-side wheel, front wheel and rear wheel of a vehicle, and configured to restrain rotations of the respective wheels by activations of brake actuators of the brakes; and at least two energy sources independent from each other and configured to supply energy to the brake actuators. A first brake line includes (a) a first energy source as one of the at least two energy sources and (b) one of the brake actuators provided for the front wheel and activatable by the energy supplied from the first energy source. A second brake line includes (c) a second energy source as one of the at least two energy sources and (d) three of the brake actuators provided for the respective right-side, left-side and rear wheels and activatable by the energy supplied from the second energy source.

Abstract: A compressed air supply system is described for a truck trailer, which includes at least one first compressed air network, which supplies a pneumatic brake system of the truck trailer with an air pressure limited according to a requirement, and at least one compressed air supply coupling between the tractive vehicle and the truck trailer for supplying compressed air, in which the at least one compressed air supply coupling is configured for a higher air pressure than the limited air pressure according to the requirement.

Abstract: An electropneumatic pressure regulating module, formed as a structural unit, is described for an electropneumatic brake system of a vehicle, including: at least two separately regulable pressure regulating channels, wherein a regulated working pressure, acting at at least one working pressure port, for at least one brake application device of the brake system is generated for each pressure regulating channel on the basis of working air originating from at least one compressed air store and as a function of braking demand signals of a brake transducer, in which to form pressure regulating channels having separate pneumatic circuits, each pressure regulating channel is assigned at least one dedicated storage pressure port which can be connected to a dedicated compressed air store, and in which the pneumatic flow paths of each pressure regulating channel are formed so as to be pneumatically separate, at least proceeding from the respective storage pressure port as far as the respective working pressure port, fro

Abstract: This invention discloses a hydraulic braking system (1) for a vehicle comprising: two pressure supply means (2, 3), two rear braking means (4, 5) and one front braking means (6), said hydraulic system (1) being characterised in that it comprises a rear inlet distributor (12), a front inlet distributor (13), a first brake distributor (10) and a second brake distributor (11), defining a standby configuration, three braking configurations pressurising: a first rear brake, a second rear brake, the two rear brakes and the front brake respectively, pressure for the front axle braking means (6) being applied through the front inlet distributor (13), the first brake distributor (10) and the second brake distributor (11).

Abstract: A hydraulic system and method for controlling the brake of a wind turbine are provided. During operation of the wind turbine, pressurized working fluid in the hydraulic system is blocked from being supplied to the brake. Even if some of this fluid does reach the brake, it is drained to prevent a pressure build-up and activation. To activate the brake, this drainage is stopped and the pressurized fluid is supplied to the brake. The blocking and unblocking the pressurized working fluid may be controlled by first and second activation valves arranged in parallel in a supply line that communicates the working fluid to the brake.

Abstract: Disclosed is a hydraulic brake system capable of reducing periodic pressure pulsation caused by operation of a piston. The hydraulic brake system includes a master cylinder generating braking hydraulic pressure by operation of a brake pedal, a wheel brake provided to each of front right and left wheels and rear right and left wheels of a vehicle to receive the braking hydraulic pressure from the master cylinder to generate braking force, a solenoid valve provided to each of an inlet and an outlet of each of the wheel brakes to control flow of the braking hydraulic pressure, a low pressure accumulator Jo temporarily storing oil, which is ejected from the wheel brakes during operation of the solenoid valves, a pump compressing the oil stored in the low pressure accumulator such that the oil is ejected towards the wheel brakes or the master cylinder as needed, and an orifice disposed near an outlet port of the pump.

Abstract: A brake system including: (i) hydraulic brakes provided for respective wheels of a vehicle, and configured to be activated by hydraulic pressures of respective brake cylinders so as to restrain rotations of the respective wheels; (ii) a power hydraulic pressure source including a drive source that is activatable by supply of electric energy, and configured to generate hydraulic pressure by activation of the drive source; and (iii) a common passage to which the power hydraulic pressure source and the brake cylinders of the hydraulic brakes are connected. The brake cylinders include a first brake cylinder connected to the common passage via a first individual passage that is provided with a normally-close electromagnetic valve as a first individual control valve. The brake cylinders include a second brake cylinder connected to the common passage via a second individual passage that is provided with a normally-open electromagnetic valve as a second individual control valve.

Abstract: A method for controlling hydraulic braking and regenerative braking in a hybrid brake system is provided, and includes allowing depression of a brake actuator in response to a braking request. Depression of the brake actuator creates pressure in a master cylinder circuit, and the method commands regenerative braking upon depression of the brake actuator until the regenerative braking reaches a threshold level. Transfer of fluid pressure from the master cylinder circuit through a control valve to a wheel circuit is prevented between a first pressure and a second pressure of the master cylinder. Transfer of fluid pressure from the master cylinder circuit to the wheel circuit is partially limited between the second pressure and a third pressure. Full transfer of fluid pressure from the master cylinder circuit through the control valve to the wheel circuit is allowed when the fluid pressure is above the third pressure.

Abstract: Disclosed is a method for operating a brake system for motor vehicles that can be actuated in a “brake-by-wire” operating mode both by the vehicle driver and independently of the vehicle driver, and that is operated preferably in the “brake-by-wire” operating mode, and that can be operated in a first fallback operating mode wherein a brake force amplifier is available, and in a second operating mode without brake force amplification, in which only operation by the vehicle driver is possible. According to the invention, the “brake-by-wire” operating mode, provided as the normal operating mode, is divided into energy-saving and high-power operating modes, between which a switch is made depending on the braking situation, and using different components of the hydraulic circuit.

Abstract: A vehicle brake system includes a brake pedal unit (BPU) coupled to a vehicle brake pedal and including an input piston connected to operate a pedal simulator during a normal braking mode, and coupled to actuate a pair of output pistons during a manual push through mode. The output pistons are operable to generate brake actuating pressure at first and second outputs of the BPU. A hydraulic pressure source for supplying fluid at a controlled boost pressure is included. The system further includes a hydraulic control unit (HCU) adapted to be hydraulically connected to the BPU and the hydraulic pressure source, the HCU including a slip control valve arrangement, and a switching base brake valve arrangement for switching the brake system between the normal braking mode wherein boost pressure from the pressure source is supplied to first and second vehicle brakes, and the manual push through mode wherein brake actuating pressure from the BPU is supplied to the first and second vehicle brakes.

Abstract: A brake device arrangement and auxiliary device arrangement of a pneumatic brake system of a vehicle include a pneumatic control valve and other pneumatic components for carrying out braking functions or auxiliary braking functions of the braking system. In order to produce a modular construction, a brake control module, which is pre-mounted on a support for producing a braking pressure, is arranged adjacent to a filter module, for treating the air on the input side, and at least one auxiliary module for fulfilling the auxiliary braking functions.

Abstract: The invention relates to a hybrid brake system having a hydraulic service brake system and an electromechanical service brake system. According to the invention, a brake booster is designed as a pedal simulator, which can be used to boost power and to generate a pedal power which is counter to the direction of actuation. When the hydraulic service brake system fails, the electromechanical service brake system is used for braking and the brake booster generates a pedal power which allows or facilitates dosage of the brake actuation.

Abstract: A braking apparatus according to an embodiment includes: a fluid pressure circuit that is provided between a master cylinder and a wheel cylinder, and that includes both a first system flow channel connecting a reservoir and at least one of the plurality of wheel cylinders, and a second system flow channel connecting at least one of the plurality of wheel cylinders and the master cylinder, and that forms a flow channel for supplying operating fluid to each of the wheel cylinders; and a pump provided in the first system flow channel and driven by the motor to increase the fluid pressure of the operating fluid to be supplied from the reservoir to the wheel cylinders.

Abstract: A hydraulic braking architecture for aircraft comprising a plurality of wheels fitted with brakes, each including two half-cavities, the architecture comprising: a first braking circuit including servovalves, each powering one or more half-cavities on separate brakes; and a second braking circuit including servovalves, each powering one or more half-cavities on separate brakes; both hydraulic circuits operating simultaneously in such a manner that on each brake, one of the half-cavities is powered by a servovalve of the first braking circuit, and the other half-cavity is powered by a servovalve of the second braking circuit, at least one of the half-cavities being powered by a servovalve that powers only said half-cavity.

Abstract: In a brake device for a motor vehicle having a first and a second hydraulic brake circuit, the second brake circuit is decoupled from the main brake cylinder in partial braking operations, and is operated with the aid of a pressure accumulator controlled by a control device, which takes an additional deceleration effect due to an active power component, e.g., a generator, into account.

Abstract: A rail vehicle brake control device includes a brake control unit that is mounted on each truck and generates a pressure control signal for controlling a brake cylinder pressure that acts on a brake cylinder based on a service brake command and an emergency brake command, an electromagnetic valve unit that includes a brake control valve that adjusts a pressure of compressed air supplied to the brake cylinder according to the pressure control signal, and a relay valve that outputs the brake cylinder pressure corresponding to the compressed air supplied from the electromagnetic valve unit. The electromagnetic valve unit includes a release isolation magnet valve that adjusts a pressure of the compressed air supplied to a primary side of the relay valve, and the release isolation magnet valve is operated by receiving power source supply from a brake control device mounted on another truck.

Abstract: A parking brake having an electromechanical and hydraulic device for gripping a pack of movable sectors connected mechanically to the wheels to exert the desired braking force on the wheels. The parking brake is characterized by having an oil flow regulating valve assembly, in turn having a first control solenoid valve and a second safety solenoid valve in series with each other.

Abstract: A working machine includes a body, a ground engaging structure including at least one pair of driven wheels, an engine, and a transmission for transmitting power from the engine to the driven wheels, a pressurized air system for providing pressurized air for use in applying service brakes for braking the wheels, the transmission including a transmission member which is rotatable with the wheels, a transmission brake for applying a braking force to the transmission member, and the transmission brake being releasable by a hydraulic fluid operated transmission brake releasing device, the hydraulic fluid for the brake releasing device being derived from a pressurized hydraulic fluid system which includes a hydraulic pump and one or more pressurized fluid operated services, there being a transmission brake control valve to control the flow of hydraulic fluid to the brake releasing device, the transmission brake control valve being actuated to permit pressurized hydraulic fluid to flow therethrough to release the t

Abstract: A braking system includes: a first connecting line (L18) that connects an upstream side of a 11-system valve (25b) and a 12-system valve (25c) within a first system (25) to any one of a position between a 21-system valve (26b) and a left front wheel cylinder (27c) or a position between a 22-system valve (26c) and a right rear wheel cylinder (27d); a second connecting line (L28) that connects an upstream side of the 21-system valve (26b) and 22-system valve (26c) within the second system (26) to any one of a position between the 12-system valve (25c) and a left rear wheel cylinder (27b) or a position between the 11-system valve (25b) and a right front wheel cylinder (27a); a first changeover valve (25d) that is provided in the first connecting line (L18); and a second changeover valve (26d) that is provided in the second connecting line (L28).

Abstract: The present invention provides an electric parking brake system with one cable that has only one cable between an actuator, serving as a power generator, and parking cables and high flexibility in laying-out for mounting to a vehicle. According to an electric parking brake system with one cable of the invention, an actuator that converts torque of a motor into axial moving force to operate parking cables is manufactured into a single module, a housing that defines the whole external shape of the actuator is formed into an integral unit by injection molding, in which vibration caused by rotation in the operation of the actuator is absorbed by elastic members, so that a small-sized actuator having improved workability in mounting can be obtained and desired performance, such as reduction of operational noise caused by absorption of vibration, can be achieved.

Abstract: Disclosed is a supplementary braking thrust apparatus for a brake, comprising a thruster (1). A push lever (7) of the thruster (1) acts on a brake unit (9). The supplementary braking thrust apparatus of said brake further comprises a supplementary braking mechanism, and the supplementary braking mechanism acts on a brake arm (10) to realize supplementary braking. Also, disclosed is a supplementary braking method of a brake, comprising the following steps: applying a braking action to the brake arm (10) using the thruster (1); and applying a further braking action to the brake arm (10) using the supplementary braking mechanism to obtain supplementary braking of the brake.

Abstract: A hydraulic device for actuating the braking of work vehicles and the like, comprising a duct for connecting the delivery duct to the discharge duct or to an auxiliary duct, along which there are auxiliary pumping elements, which can be actuated in order to pump pressurized liquid into the feed duct; a one-way valve being provided which allow the liquid to flow along the connecting duct exclusively toward the delivery duct.

Abstract: A brake control apparatus includes: at least one wheel cylinder that applies braking force to a vehicle wheel in response to supply of hydraulic fluid thereto; a manual hydraulic pressure source that pressurizes hydraulic fluid in accordance with brake operation by a driver; a cut valve which is arranged in a hydraulic fluid delivery path between the manual hydraulic pressure source and the wheel cylinder, and to which force is applied in such a direction that the cut valve is closed when the wheel cylinder is higher in hydraulic pressure than the manual hydraulic pressure source; and a controller that controls a discharge path, through which the hydraulic fluid is discharged from the wheel cylinder and which differs from the hydraulic fluid delivery path, so that discharge of the hydraulic fluid from the wheel cylinder through the discharge path starts in response to release of the brake.