A generator for comprising a rotor, an inner shaft, an outer shaft, and an actuation means. The inner shaft is at least partially disposed inside the outer shaft. The inner shaft is coupled to the outer shaft by means of a translatable drive connection. The actuation means is configured to actuate the second shaft towards a retracted position. The translatable drive connection is configured to allow a transfer of torque between the first and second shafts, and enables movement of the second shaft, relative to the first shaft, along its axis of rotation from an extended, position to a retracted position, such that an input portion of the second shaft can be at least partially retracted in a retraction direction towards the rotor upon activation of the actuation mechanism. A disconnect mechanism disposed on the second shaft can therefore be disconnected upon retraction of the second shaft.

A two stage brake actuation system including a push rod, a first actuator coupled to the push rod, and a second actuator. The first actuator may apply a first force to the push rod to move it between a brake clearance position and a brake adjacent position. The second actuator may apply a second force to the push rod to move it between the brake adjacent position and a brake applied position. The first actuator may be a large displacement, low force actuator, and the second actuator may be a small displacement, high force actuator. A method for braking a vehicle by applying a first force to a push rod to move it a first distance from a brake clearance to a brake adjacent position, and applying a second force to the push rod to move it a second distance from the brake adjacent to a brake applied position.

The actuator includes a housing configured to have not only a motor accommodation part, but also a gear mounting part to which a deceleration gear unit is mounted. The gear mounting part includes not only a shaft hole formed to be penetrated at a center part of a top surface of the gear mounting part, but also a ring gear part formed along in an inner circumference of the gear mounting part. The deceleration gear unit includes a worm wheel configured to have a sun gear that is rotatably supported by an outer surface of the gear mounting part and is inserted into the gear mounting part through the shaft hole, a plurality of planetary gears engaged with the sun gear and the ring gear part within the gear mounting part, and a carrier coupled to the plurality of planetary gears to be rotatable, and provided with an output shaft.

A disc brake, a wear adjuster for a disc brake and a method for operating a disc brake are provided. The wear adjuster includes a pawl biased by a spring against, and actuated by, a rotary lever, a shaft with the ratchet wheel arranged to be rotated by the pawl when the rotary lever rotates in a brake release direction, and a tappet wheel threaded on a brake application tappet supported on a movable bridge in the disc brake caliper. During brake release the pawl rotates the ratchet wheel and the shaft. The shaft and the tappet wheel have gearing which rotates the tappet wheel with the shaft. Due to the threaded engagement of the tappet wheel and the non-rotating tappet, the rotating tappet wheel causes the tappet to advance relative to the bridge to compensate for brake pad wear.

A brake includes a caliper overlapping a disk. The brake also includes a first pad and a second pad which are carried by the caliper on either side of the disk. The brake further includes a first actuator including a first primary toothed wheel driving a first mobile piston pressing against the first pad in order to move same. The brake further includes a second actuator including a second primary toothed wheel driving a second mobile piston pressing against the second pad. The brake further includes a rotating shaft including a first and a second endless screw having opposite winding directions, the shaft being movable in translation. The brake further includes an electric motor for driving the rotating shaft. The first and second endless screws are engaged in the first and second primary toothed wheels respectively.

A manual/automatic dual-purpose clutching structure includes a driving gear assembly, a reversing clutching assembly and a driven gear assembly. The driving gear assembly includes a first gear, a second gear and a driving module, the first gear being coaxially and fixedly connected to the second gear. The reversing clutching assembly includes a reversing gear and a reset spring, the reversing gear is located on one side of and meshes with the second gear. The driven gear assembly includes an output gear which is located on the other side of and does not make contact with the second gear. The reversing gear rotates around a central axis of the second gear under a driving of the driving module to mesh with the output gear. After power of the driving module disappears, the reversing gear is prompted to be disengaged from the output gear under an action of the reset spring.

The actuator includes a housing configured to have not only a motor accommodation part, but also a gear mounting part to which a deceleration gear unit is mounted. The gear mounting part includes not only a shaft hole formed to be penetrated at a center part of a top surface of the gear mounting part, but also a ring gear part formed along in an inner circumference of the gear mounting part. The deceleration gear unit includes a worm wheel configured to have a sun gear that is rotatably supported by an outer surface of the gear mounting part and is inserted into the gear mounting part through the shaft hole, a plurality of planetary gears engaged with the sun gear and the ring gear part within the gear mounting part, and a carrier coupled to the plurality of planetary gears to be rotatable, and provided with an output shaft.

A disc brake, a wear adjuster for a disc brake and a method for operating a disc brake are provided. The wear adjuster includes a pawl biased by a spring against, and actuated by, a rotary lever, a shaft with the ratchet wheel arranged to be rotated by the pawl when the rotary lever rotates in a brake release direction, and a tappet wheel threaded on a brake application tappet supported on a movable bridge in the disc brake caliper. During brake release the pawl rotates the ratchet wheel and the shaft. The shaft and the tappet wheel have gearing which rotates the tappet wheel with the shaft. Due to the threaded engagement of the tappet wheel and the non-rotating tappet, the rotating tappet wheel causes the tappet to advance relative to the bridge to compensate for brake pad wear.

Provided is a brake apparatus for a vehicle including a pair of brake pads that are disposed to face each other on a caliper body and disposed on two sides of a wheel disc, respectively, a first worm shaft part that is connected to a motor part, a first worm wheel part that is engaged with the first worm shaft part and rotates with rotation of the first worm shaft part, a second worm shaft part that is connected to the first worm wheel part and rotates together with the first worm wheel part, a second worm wheel part that is engaged with the second worm shaft part and includes a plurality of second gear teeth, and a linear motion conversion unit that is coupled to the second worm wheel part and converts a rotational motion of the second worm wheel part into a linear motion.

Disclosed is a clearance control swash plate device for a transmission or reducer and a single-shaft two-speed drive system, including the clearance control swash plate device, with a friction clutch. The clearance control swash plate device includes: an action plate mounted on a power transfer shaft; a first thrust bearing disposed on the action plate, and configured to prevent rotation force, received from the action plate, from being transferred; a first clearance swash plate disposed on the first thrust bearing; a second clearance swash plate disposed on the first clearance swash plate; a worm engaged with a worm gear formed on the outer circumference of the second clearance swash plate; a second thrust bearing disposed on the second clearance swash plate, and configured to prevent rotation force, received from the second clearance swash plate, from being transferred; and a thrust washer disposed on the second thrust bearing.