The present disclosure provides a linear motor having a housing with an accommodation space; a vibrator accommodated in the accommodation space; and a first stator locating opposite to the vibrator and fixed to the housing. The first stator includes a first circuit board opposite to the vibrator, a first coil on a the side of the first circuit board close to the vibrator, and a first magnetic conductive sheet locating on a side of the first circuit board away from the vibrator. The linear motor further has a spring bracket supporting the vibrator in the accommodation space. The present invention is to provide a linear motor which improves the space utilization of the linear motor in a thickness direction.

The disclosure relates to a linear actuator including a base, a linear motor, a load cell and a rotary motor. The linear motor is disposed on the base and includes a fixed coil module and a movable magnetic backplane. The fixed coil module is fixed on the base, and the movable magnetic backplane is configured to slide relative to the fixed coil module along a first direction. The rotary motor is rotated around a central axis in parallel with the first direction. The load cell has two opposite sides parallel to the first direction, respectively. The movable magnetic backplane of the linear motor and the rotary motor are connected to the two opposite sides of the load cell, respectively. The load cell is subjected to a force applied thereto by the rotary motor and parallel to the first direction, and configured to convert the force into an electrical signal.

One aspect of a pump of the present invention includes a rotor rotatable about a central axis, a stator assembly located radially outside the rotor and surrounding the rotor, a pump unit connected to a first side in an axial direction of the rotor, a support member including a rotor accommodating portion, the rotor accommodating portion being located radially inside the stator assembly and accommodates the rotor therein, and a resin housing in which the stator assembly and the support member are molded. The rotor accommodating portion includes a lid portion that covers the rotor from a second side in the axial direction, and a tubular portion that is located between the rotor and the stator assembly in a radial direction and is open to the first side in the axial direction. The stator assembly includes a stator core having an annular shape, a plurality of coils mounted on the stator core, and a stator cover that covers the plurality of coils.

A method of electrically grounding a rotor shaft of an electric motor includes removing a first lockplate fastener from a motor endshield and an internal bearing lockplate. A second lockplate fastener remains coupled to the motor endshield and internal bearing lockplate such that the internal bearing lockplate stays secured along an interior side of the motor endshield. A mounting plate of a shaft ground assembly is positioned along an exterior side of the motor endshield. The mounting plate supports a shaft ground that includes a conductive element configured to electrically couple to the rotor shaft. The first lockplate fastener is replaced with a first mounting plate fastener coupled to the mounting plate, motor endshield, and bearing lockplate to secure the mounting plate to the endshield and to secure the bearing lockplate along the interior side of the motor endshield.

A cooling apparatus includes a cold plate made of a metal, a casing, a pump, a ground wire, and a conductive component. The pump includes a motor to drive an impeller, and a circuit board to control the motor. The circuit board is connected to the ground wire. The conductive component electrically connects the cold plate to the ground wire.

A power tool is provided including a housing defining a cavity therein, where the housing includes a motor case and a handle portion extending along a longitudinal axis of the housing from the motor case; an electric motor having a drive shaft and mounted within the motor case; a partitioning wall extending radially and separating the motor case portion from the non-motor case portion of the housing; and a bearing pocket with an open end facing the motor case portion formed in the partitioning wall and a main body extending away from the electric motor for receiving a rotor bearing. The handle portion includes two elongate walls extending from the partitioning wall, a circuit board supported by the two elongate walls and including a motor drive circuit, and two covers secured to the two elongate walls to cover the circuit board.

The invention relates to a High current terminal assembly including a conductor terminal (12), said conductor terminal (12) being operatively arranged to be mounted in an orifice (10a) in a housing wall (10), and a mounting module (14a; 14b) for mounting the conductor terminal (12) to the housing wall (10), said mounting module (14a; 14b) including: a collar structure (16) configured to abut to a first side of said housing wall (10) surrounding said orifice (10a), and an insertion part (18) configured to be inserted into the orifice (10a) of the housing wall (10), wherein a remote end of the insertion part (18) in the insertion direction is provided with first snap-fitting structures (18a) engaging a second side of said housing wall (10) opposite to the first side of the housing wall, wherein a first end of said conductor terminal (12) is configured to be inserted into an opening of said mounting module (14a; 14b) such that engagement of first snap-fitting structures (18a) with the a second side said housing wall (10) is locked by the insertion of said first end of said conductor terminal (12).

An electromagnetically actuable brake device includes: a coil shell, in particular of the solenoid, an armature disk, which is connected to the coil shell in a torque-proof yet displaceable manner, a sensor having a sensor housing, a spring part, and a screwed cable gland. The coil shell has a stepped through bore, the sensor housing of the sensor has a stepped configuration, the screwed cable gland is situated at an end of the bore, in particular is screwed into a threaded section of the bore, the spring part is situated in the bore between the screwed cable gland and the sensor housing, the spring part is braced on a step of the sensor housing on one side and on the screwed cable gland on the other, and the sensor housing is pressed against a step of the bore, in particular by the spring part.

The braking device includes: a motor including a power terminal for power reception and being configured to adjust a braking force applied to a wheel in accordance with rotation of a rotary shaft; a substrate orthogonal to an extending direction of the power terminal and connected to the power terminal; and a housing provided at a position facing the substrate. The motor is provided between the housing and the substrate such that the power terminal faces the substrate, and is provided in the housing.

A stator module for driving a rotor of an electrical planar-drive system comprises a power module, a stator assembly arranged on a top surface of the power module, and a connector. The power module is embodied to provide drive currents for driving the rotor. The stator assembly comprises coil conductors electrically connected to the power module via the connector for charging with the drive currents. The power module and the stator assembly each have a plate-shaped embodiment. The power module is mechanically fastened to the stator assembly by the connector. The stator assembly comprises a contact structure with contact holes arranged side by side, and the power module comprises a connecting arrangement with further contact holes arranged side by side. The connector comprises contact pins arranged side by side to engage in the further contact holes of the connecting arrangement, and in the contact holes of the contact structure.