A vehicle brake apparatus may include: a drive unit configured to generate a drive force; a transmission gear unit rotatable with the drive force transmitted from the drive unit; a piston unit movable forward or backward in conjunction with a rotation of the transmission gear unit, and configured to press or no longer press a pad unit according to a direction in which the piston unit moves; a disc unit rotatable together with the transmission gear unit in conjunction with the drive force of the drive unit; and a restriction unit mounted to be movable toward the disc unit, and configured to restrict a rotation of the disc unit by being brought into frictional contact with the disc unit during parking braking.

A subassembly for an electromechanical brake actuator and electromechanical brake actuator comprising the subassembly, wherein the subassembly comprises a drive device for generating a torque and a gear mechanism for transmitting the torque, the gear mechanism comprising, one behind the other, a first, a second and a third gear stage. The second gear stage is configured as a planetary gear set.

A reduction motor for a parking brake mechanical actuator of a drum brake comprising an electric motor and a reduction gearbox, in which the electric motor comprises an output shaft extending along a first axis, the reduction gearbox comprises an output shaft extending along a second axis, and in which the reduction motor also comprises at least one angle gear between the electric motor and the reduction gearbox or at the output of the reduction gearbox, the angle gear comprising a crown gear-pair comprising a pinion and a crown gear, the pinion being engaged with the output shaft of the electric motor and meshing with the crown gear which is a part of the reduction gearbox.

An electric linear motion actuator includes an electric motor, a motion conversion mechanism for converting the torque of the electric motor to the linear driving force of an outer ring member, a load sensor, and a motor control device. The motor control device is configured to control the electric current applied to the electric motor such that the torque of the electric motor increases until the pressing force detected by the load sensor exceeds a target value, and then the torque of the electric motor decreases until the pressing force detected by the load sensor reaches the target value.

A disk brake allowing a connector terminal (255) and a joining terminal (256) to be easily positioned in a width direction thereof and a direction toward an opening portion of a housing, because the joining terminal fixed to one end of a harness includes individual protruding portions (265) and a pair of biasing portions (264). Further, due to each of the biasing portions, the connector terminal and the joining terminal can be brought into close contact with each other. Further, due to the protruding portions of the joining terminal, an end (258A) of the connector terminal and an end (268A) of a contact surface portion (263) can be brought into alignment with each other, which facilitates formation of such a welded portion (266) that extends over the respective ends, and thus achieves a secure connection between the connector terminal and the joining terminal

A driving device for moving a tailgate of a vehicle, comprising a permanent magnet brake, which comprises a stationary portion, a first braking element, which is rotatable relative to the stationary portion about a rotational axis, and a second braking element, which is arranged in a rotationally fixed manner on the stationary portion, is axially offset from the first braking element along the rotational axis and cooperates with the first braking element in order to generate a braking force. The first braking element and/or the second braking element have a permanent magnet or are formed by a permanent magnet, a magnetic attraction force acts between the first braking element and the second braking element axially along the rotational axis. Axially between the first braking element and the second braking element is arranged a friction element, which is in frictional contact with the first braking element and the second braking element.

An electric brake device includes a brake rotor, a brake pad, an electric motor, a linear motion mechanism, and a controller. The controller includes a motor angular velocity control section to control an angular velocity of the electric motor; and a motor angular velocity limiting section to limit the angular velocity of the electric motor such that an angular velocity ωb of the electric motor in a no-load state when the electric brake device shifts from a non-braking state to a braking state, and an angular velocity ωr of the electric motor in a no-load state when the electric brake device shifts from the braking state to the non-braking state satisfy |ωb|>|ωr|.

The present invention is provided with a power transmission member rotatably supported by a caliper, and a ratchet wheel fixed by the member. A first linear direction movement of a pawl member that engages with a mobile member of a solenoid is guided by a guide member fixed by the caliper. The pawl member is continuously pressed in a release direction by an elastic member. The interlocking force in an interlocking direction, imparted by mobile member of the solenoid mobile member to the pawl member, and the release force in the release direction, which is imparted by the elastic member to the pawl member oppose each other, and the interlocking force is larger than the release force. The pawl member and the mobile member move linearly together in one of the interlocking direction and the release direction.

Provided is an electric brake including: a brake mechanism configured to transmit, based on a braking request, a thrust force generated through drive of an electric motor to a piston configured to move brake pads to be pressed against a disc rotor; and an ECU for rear electric brake configured to control the drive of the electric motor, and to move, in a non-braking state, the piston to a predetermined clearance position at which a clearance between each of the brake pads and the disc rotor is a predetermined amount. The ECU for rear electric brake is configured to drive the electric motor so that a period from generation of the braking request to a start of the pressing of the disc rotor by the brake pads is a predetermined period regardless of a position of the piston at a time when the braking request is generated.

An aircraft electric brake actuator assembly includes an actuator housing, a motor housing, an actuator, an electric motor, and an actuator brake. The actuator housing is configured to be mounted on an aircraft landing gear. The motor housing is coupled to the actuator housing and is removable therefrom. The motor housing is also accessible when the actuator housing is mounted on an aircraft. The electric motor is disposed within the motor housing and is coupled to the actuator. The actuator brake is disposed within the motor housing and is removably coupled to the motor.