Abstract: A longitudinal end of the nut has: at least one blocking face forming a means for blocking a rotation of the nut along a longitudinal axis of the nut, and at least one transmission face forming a means for transmitting a force directed along the axis. The blocking face or at least one of the blocking faces and the transmission face or at least one of the transmission faces have at least one common edge, and the blocking face or at least one of the blocking faces is concave.

Abstract: The invention relates to a valve arrangement (10) comprising valves and coil arrangements (20), each coil arrangement (20) having two coils (110, 210) which are electrically connected to separate control units (100, 200). Each valve can be independently actuated by either the first coil (110) or the second coil (210) of the coil arrangement (20) associated therewith. The invention further relates to a brake system (400, 500) having such a valve arrangement (10).

Abstract: A system for a vehicle having a brake system comprises a retention device adapted to engage and secure a container to the vehicle responsive to operation of the brake system. A method of a system for a vehicle having a brake system adapted to engage and secure a container to the vehicle responsive to operation of the brake system is also disclosed.

Abstract: A system for monitoring usage of rail car brake equipment and determining whether the actual lifespan of the brake equipment is shorter than an expected lifespan had the brake equipment been used under normal or constant parameters. The system includes a sensor for collecting and outputting data indicating how the brake equipment has been actually used. A controller is programmed to receive the data regarding how the brake system component has been used and to calculate whether the brake system component has an estimated lifespan that is shorter than the expected lifespan. The sensor may comprise an ambient temperature sensor, a flow sensor that determines the air used by the braking system that includes the brake system component, and/or a pressure sensor that can determines how frequently and in what manner the brake system has been used.

Abstract: Disclosed is a frequency sensitive type shock absorber including a piston rod reciprocating an inside of a cylinder and having a connection passage therein; a piston valve mounted on the piston rod and having a plurality of compression and rebound flow paths penetrating up and down thereof, and partitioning the cylinder into compression and rebound chambers; and a valve assembly mounted on the piston rod to generate a damping force that changes with frequency during a rebound stroke; wherein the valve assembly comprises a housing coupled to the piston rod and having a pilot chamber in communication with the connection passage; a main retainer coupled to the piston rod and having a main chamber formed on an upper portion thereof in communication with the connection passage; a first pilot valve coupled to the piston rod and disposed between the housing and the main retainer to partition the pilot chamber and the main chamber; and a second pilot valve coupled to the piston rod and disposed above the pilot chambe

Abstract: A vehicle braking device includes: a brake fluid pressure generation device arranged in a storage chamber separated from a vehicle cabin; and a brake operation part mechanically connected to the brake fluid pressure generation device, the brake operation part being not provided in the vehicle cabin. The brake fluid pressure generation device includes a cylinder and pistons configured to slide inside the cylinder. The brake fluid pressure generation device is configured to generate brake fluid pressure in accordance with strokes of the pistons. The brake fluid pressure generation device is arranged such that a sliding direction of the pistons is along a direction different from the vehicle front-rear direction in a plan view.

Abstract: A brake caliper (1, 1?) for a vehicle brake, in particular a disc brake of a commercial vehicle, includes a pressure piece (110, 110?), a thrust piece (120, 120?) configured to move axially relative to the pressure piece (110, 110?) in a thrust direction (A) to transmit a braking force and a guiding member (130a,b, 130?a,b) configured to limit the movement of the thrust piece (120, 120?) relative to the pressure piece (110, 110?) in at least one direction orthogonal to the thrust direction (A). The brake caliper (1, 1?) may further include a lever (140) pivotally supported between the thrust piece (120, 120?) and the pressure piece (110, 110?), wherein the guiding member (130a,b, 130?a,b) is configured to limit the movement of the lever (140) relative to the pressure piece (110, 110?) and/or the thrust piece (120, 120?) in at least one direction orthogonal to the thrust direction (A).

Abstract: A vehicle braking system including a control unit (340) which is operable to communicate with at least one sensor (320, 350), the sensor (320, 350) being operable to provide signals corresponding to a characteristic of a vehicle to the control unit (340), and the control unit (340) being in communication with a brake demand source (300) to receive brake demand data, and the control unit (340) also being in communication with a plurality of wheel end units, each wheel end unit including a brake torque control unit (310) which is operable to control an associated brake actuator to apply a braking torque dependent upon a signal received from the control unit (340).

Abstract: A second electrohydraulic brake control device for a motor vehicle comprises a pressure control valve assembly, an controllable pressure source and a reservoir connection. For a group of wheel brakes, the second electrohydraulic brake control device is connected in series between the associated output pressure connections of a first or main brake control device and the vehicle wheel brakes.

Abstract: A friction brake system comprises a first gear unit having a first member and a second member, the first gear unit is configured for converting a rotary motion of the first member into a braking motion of the second member, the first member is configured such that the rotary motion may be driven by an electric motor, the brake system further comprises a second gear unit having a spindle and nut for converting a rotary motion into a linear motion for pad wear compensation, the spindle is connectable to a brake pad, the second member of the first gear unit and the nut of the second gear unit are or may be mechanically coupled such that, during the braking motion, the second member of the first gear unit pushes against the nut of the second gear unit to press the brake pad against a friction surface.

Abstract: A disc brake (1) for motor vehicles includes at least two brake pads (25, 26), an application unit (4) with a setting spindle (5) arranged axially in the direction of the brake pads (25, 26), and a resetting device (7) for central adjustment of the setting spindle (5) after reaching a degree of wear of the brake pads (25, 26). The resetting device (7) has a housing (8), a sensor (9), a resetting shaft (10), and an adapter (11) with a decentral output (12). In one example, the adapter (11) has a cover (13) and a chain drive (14) for to transmitting an actuating movement from the decentral output (12) to the resetting shaft (10).

Abstract: A brake system, including four hydraulically actuatable wheel brakes. Each wheel brake is assigned in each case one outlet valve which is closed when electrically deenergized. Each wheel brake is assigned in each case one inlet valve which is open when electrically deenergized. The brake system furthermore includes a simulator which is actuatable by a brake pedal, wherein two pressure provision devices are provided for actively building up pressure in the wheel brakes, two brake circuits are hydraulically formed, wherein, in each brake circuit, in each case one pressure provision device is hydraulically connected to two wheel brakes, and wherein two separate on-board electrical systems are provided, and wherein each pressure provision device is fed in each case by one of the two on-board electrical systems.

Abstract: A highly reliable vehicle brake system that includes an electric brake and achieves redundancy at low cost is provided. A vehicle brake system (1) is provided to a wheel (Wa) of a vehicle (VB), and includes an electric brake (16a) provided with a motor (80), a driver (60) that drives the motor (80), and a first control device (10) provided with a master controller (30) and a first sub-controller (40) connected to each other. The electric brake (16a) is controllable by both the master controller (30) and the first sub-controller (40).

Abstract: An on-board brake system mounted in an autonomous vehicle comprises a brake unit, a first brake actuator and a second brake actuator for driving the brake unit, and a main ECU for controlling drive of the first and second brake actuators; the second brake actuator is an accumulating actuator; and when an emergency stop switch is depressed, the main ECU operates only the second brake actuator or operates the second brake actuator with precedence over the first brake actuator.

Abstract: An actuator includes a control part, a first rotation sensor, and a second rotation sensor able to detect rotation of an output shaft. The control part performs a first rotation angle acquisition control for acquiring a target rotation angle of the output shaft when a movable part is moved from the second position to the first position as a first rotation angle. The first rotation angle is a rotation angle of the output shaft that is closer to the second position side than when the movable part abuts the first wall part. In the first rotation angle acquisition control, the control part causes the movable part abuts the first wall part, acquires a rotation angle of the output shaft when the movable part has abutted the first wall part, and calculates the first rotation angle based on the rotation angle of the output shaft that has been acquired.

Abstract: A method for controlling the braking action applicable by a brake caliper on a mechanical movement member of a vehicle is described. An electronic control unit operatively connected to an actuator assembly receives an input signal representative of a braking request. The unit determines a first reference value of a position of a component in the actuator assembly and a second reference value of a parameter representative of the braking action applicable by a brake caliper via the actuator assembly. The unit determines at least one feedback value of the position of a component in the actuator assembly. The unit also generates at least one control signal for the actuator assembly based on feedback values and the reference values.

Abstract: A floating caliper (2) for a disc brake comprises a first half-caliper (10), which houses a reaction piston (50), a second half-caliper (12), which houses an action piston (90) and locking means for locking the action piston (90) in a preset parking position. The reaction piston (50) is elastically yielding when the braking action acting on it exceeds a preset parking action threshold which corresponds to said parking position wherein the locking means lock the action piston (90).

Abstract: In some examples, an assembly includes a rotor drive key configured to fit around a wheel boss defined by a wheel of a vehicle. The rotor drive key includes a support member. The assembly further comprises a fastener configured to extend through the wheel boss and the support member in a substantially axial direction of the wheel when the rotor drive key is fit around the wheel boss. A fastening member is configured to engage with a portion of the fastener extending beyond the support member.

Abstract: Disclosed herein is a wheel shield apparatus that includes a pair of elongated parallel tube members in perpendicular engagement with a pair of short parallel tube members, at least one removable side of the wheel shield apparatus is operable to be temporarily opened or removed such that the wheel shield apparatus may be placed around a wheel of a neurosurgical microscope or some other type of heavy wheeled machinery and the removable side may be placed in a closed position such that the wheel shield surrounds the wheel. Each of the pair of elongated parallel tube members and/or each of the pair of short parallel tube members comprises a cavity configured to receive a ballast material to provide sufficient weight to ensure that the wheel shield apparatus contacts the floor such that cables along the floor are pushed out of the way by the wheel shield apparatus and prevented from being run over while the machinery is being transported.

Abstract: Disclosed is a method for operating an automated parking brake for a motor vehicle comprising at least one braking mechanism with a brake piston. In said method, the parking brake moves the brake piston by means of an actuator between an idle position, in which the brake piston applies no braking moment, and a braking position, in which the brake piston applies a braking moment, in relation to a brake disk, and during a disengagement process of the parking brake, a reference point is determined in which the brake piston is located in a position in which it applies substantially no braking moment and which is between its idle position and its braking position. The method according to the disclosure is characterized in that the reference point is estimated taking into account an extrapolation of a variable describing the disengagement process.