A stator for a rotary electric machine includes a core extending along an axis and having a series of axially extending passages arranged circumferentially about the axis. A plurality of teeth are provided with each tooth including an axially extending inner surface defining a passage and a projection extending therein. Retention devices secure each tooth to the stator. Each retention device includes a resilient member having a base extending within one of the passages of the stator and an arm extending from the base and within the passage of one of the teeth. The arm including an enlarged portion for engaging the projection to pull the tooth into engagement with the core.

An electromechanical machine that uses electrical power to provide electromechanically-balanced motive torque to one or more mechanical loads, or that uses electromechanically-balanced mechanical power from one or more sources of motive torque to supply electrical power to one or more loads, while seamlessly reconciling the speed and torque differences between such loads-and-sources by use of speed-torque modules and a control means.

A power pack assembly includes a housing extending axially about a longitudinal axis. The power pack assembly also includes a circuit board having a board main portion covered by the housing and having a first board extended segment extending radially away from the longitudinal axis and out of the housing and uncovered by the housing. The power pack assembly further includes at least one logic connector disposed on the first board extended segment of the circuit board.

The present invention relates to electric submersible pumps that have two or more permanent magnet motors and more specifically to such systems wherein permanent magnet motors are aligned using phase and pole alignment marks.

A rotor of an electric motor may include a basic shaft, a plurality of plate stacks, at least one balancing element structured and arranged to offset imbalances, and a drive element. The at least one balancing element and the drive element may be integrally provided as a one-piece, monolithic component.

A stator assembly comprising stator windings and power electronics coupled to the windings for powering the windings, wherein the stator assembly is arranged so that when it is disposed in an enclosure, a flow of coolant is channelled over both the windings and elements of the power electronics.

A drive technology for vehicle treatment installations. The drive technology comprises a washing installation drive motor (2) for a vehicle treatment system (69). The washing installation drive motor (2) is preferably configured as a synchronous motor, in particular as a brushless DC motor. The drive motor (2) has an internal rotor (3) with a hollow shaft (5). As an alternative, or in addition, the washing installation drive motor (2) is configured as a modular drive unit (7). The modular drive unit (7) has a uniform configuration and is provided and configured for driving different apparatus constituent parts of a washing installation. The drive technology further includes a washing installation drive (1), a treatment element (52, 55, 57, 64) and also a vehicle treatment system (60) with a corresponding washing installation drive motor (2), and an associated operating method.

A rotating electrical machine has a magnetic field-producing unit, an armature with armature windings for multiple phases, and a rotor implemented by one of the magnetic field-producing unit and armature. The armature winding of each phase has a conductor portion. The conductor portion is made of a bundle of wires and has a resistance value between the bundled wires larger than that within each of the wires. Each conductor portion includes magnet facing portions arranged at a given interval away from each other and face the magnet unit. The magnet facing portions of the same phase are connected in series. The wires of the conductor portion of the same phase are connected in parallel. The order of locations of the wires of each of the magnet facing portions for the same phase is different between given portions of the magnet facing portion in an axial direction of the rotor.

One embodiment is an electric drive system for an aircraft including a motor, a gear box associated with the motor, and a cooling fan for drawing air into the unit across an electronic component to cool the electronic component and for expelling air into an oil cooler for cooling oil contained therein. The electric drive system further includes an oil distribution system for distributing oil cooled by the oil cooler to at least one motor and at least one gearbox, the distributed oil being used to cool the motor and the gearbox, a reservoir for collecting the distributed oil after it has been used to cool the motor and the gearbox, and at least one structural element for retaining the motor, gearbox, the cooling fan, the oil distribution system, and the reservoir together as a unit.

An outer-rotor brushless direct-current (BLDC) motor is provided including a stator core having an aperture extending therethrough, a stator mount including an elongated cylindrical member projecting into the aperture of the stator core, an outer rotor, and a rotor mount including an outer rim arranged to couple to the outer rotor and an inner body supporting an outer race of a motor bearing. A piloting pin is provided including a rear portion received within the hollow portion of the elongated cylindrical member of the stator mount and a front portion received within the inner race of the motor bearing.