A linear actuator for adjusting a piece of furniture comprises a motor having a motor shaft, a conversion arrangement coupled to the motor shaft and adapted to convert a rotational movement generated by the motor shaft into an elongation of the linear actuator, and a locking arrangement coupled directly or indirectly to the motor shaft and adapted to selectively cause rotation locking of the motor shaft by means of a locking element. The locking arrangement comprises an inner part with at least one inner chamber and an outer part radially surrounding the inner part and having at least one outer chamber. The outer part and the inner part are rotatable relative to each other in such a way that the at least one inner chamber and the at least one outer chamber can be aligned with each other. The rotation locking is activated by clamping the locking element between the at least one inner chamber and the at least one outer chamber by means of rotation of the inner part and the outer part relative to each other.

A surface cleaning apparatus is provided. The surface cleaning apparatus includes a dirt inlet, a rotatable brushing member, and a brush motor drivingly connected to the rotatable brushing member. The brush motor includes a plurality of field coils, a first motor sub-unit, a second motor sub-unit, and a motor controller. The first motor sub-unit includes a first rotor portion, a first stator portion, and a first field coil. The second motor sub-unit includes a second rotor portion, a second stator portion, and a second field coil. The first and second rotor portions are rotatable about a motor axis and are drivingly connected to the brushing member. The second motor sub-unit is axially spaced along the motor axis from the first motor sub-unit. The motor controller is operable to direct electric current through the plurality of field coils generating magnetic fields and driving rotation of the rotor portions.

Provided is a drive control mechanism of a geared motor capable of executing a stopping operation between a start point and an end point in a drive range, maintaining this stopping operation, and smoothly and reliably executing respective operations that start from this stopped state without applying any external force other than a drive input of the electric motor. The drive control mechanism of a geared motor 1 according to the present invention includes the geared motor 1 formed by integrating an electric motor 2 with a speed change unit 3 including an input shaft that is a drive shaft 21 of the electric motor 2, and braking means 4, 14 for controlling braking in each of driven and stopped states in an output shaft 32 of the speed change unit 3, and the braking means 4, 14 includes a rotating part 40, 140 rotatably and pivotally supported by the drive shaft 21 of the electric motor 2, and including a permanent magnet 43, 143 disposed in an annular shape, and a fixing part 41, 141 fixed to a case 20 of the electric motor 2, and including a permanent magnet 45, 146 disposed facing the permanent magnet 43, 143 of the rotating part 40, 140 with a different polarity in the stopped state, and disposed in an annular shape.

A motorized shade comprising a motor adapted to lower or raise a shade material for selectively covering an architectural opening based on a position of the sun. The motorized shade comprises a controller adapted to drive the motor phase according to a startup sequence by ramping up amplitude form an initial amplitude to a startup amplitude and ramping up frequency from an initial frequency to a drive frequency, drive the motor phase according to a full drive sequence to move the shade material by driving the motor phase according to a sinusoidal waveform at a set maximum amplitude and at a drive frequency, and drive the motor phase according to a wind down sequence by reducing frequency from the drive frequency to an end frequency and reducing the amplitude from the maximum amplitude to an end amplitude.

The present disclosure relates to a motor for a seat sliding device of a vehicle, and includes a coil module in which a plurality of first coils and a plurality of second coils are seamlessly disposed in the circumferential direction to have a cylindrical shape. Therefore, the conventional stator core having a slot and a tooth for installing the coil is not used, thereby implementing miniaturization and light-weight of a motor. and the slot and the tooth do not exist, thereby reducing a cogging torque and reducing the vibration and noise of the motor.

An electric motor includes a housing with a tubular wall extending in an axial direction of the housing and a closures positioned at opposite axial ends of the tubular wall, a stator fixedly mounted inside of the housing, a rotor rotatably mounted inside of the housing, and a bearing rotatably supporting the rotor. At least one of the closures includes a rotor supporting portion. The rotor supporting portion includes a through hole configured to receive a portion of the rotor. The through hole has a triangular or polygonal shape, and a radius of an inscribed circle of the triangular or polygonal shape of the through hole is larger than a radius of the portion of the rotor received in the through hole.

A motor assembly includes an output shaft disposed along a central axis extending in one direction, a motor that rotates the output shaft, a circuit board electrically connected to the motor, a power supply that supplies power to the motor and the circuit board, and a case having a tubular shape that extends in an axial direction and accommodates the motor, the circuit board, and the power supply. A substrate surface of the circuit board and the power supply are disposed to face each other in a predetermined direction that is orthogonal or substantially orthogonal to the axial direction.

An electric compressor includes a motor housing, an inverter, a cover, and a fastener. The inverter includes a board; an electronic component; a holder composed of an insulating material, the holder containing the electronic component and supporting the board; a bus bar integrated with the holder, and electrically connected to a circuit pattern and the motor housing; and a tubular member interposed between the cover and the bus bar, with the fastener inserted in the tubular member. The fastening force from the fastener causes the tubular member to press the bus bar toward the motor housing.

A drive device includes a first shaft, a gear portion, a lubricant flow path, and a housing. A gear portion having a second shaft is connected to an end portion of the first shaft in the axial direction. A side plate portion of the housing separates a motor tubular portion surrounding a motor accommodation portion that accommodates a rotor and a stator and a gear tubular portion surrounding a gear accommodation portion that accommodates the gear portion. First and second bearing holding portions disposed in the side plate portion rotatably support the first and second shafts via the first and second bearings, respectively. A lubricant supply portion that is disposed radially outward of the stator and supplies lubricant to the stator includes a lubricant flow path through which lubricant can flow. The lubricant flow path is connected to at least one of the first and second bearing holding portions.

An electrically and mechanically driven automotive accessory including a housing, an electric motor, a pulley, and a pulley assist mechanism. The electric motor comprises a stator assembly that is mounted to the housing and a rotor assembly that is mounted to a shaft. The electric motor creates a primary torque flow path that drives rotation of the rotor assembly relative to the stator assembly. The pulley is rotatable relative to the shaft and the rotor assembly. The pulley assist mechanism includes a plurality of claw-pole structures that are arranged circumferentially about the rotor assembly and an electromagnet that is configured to induce a magnetic field between the claw-pole structures and the pulley, which creates a secondary torque flow path between the pulley and the rotor assembly.