A linear motor conveyor system including: at least one track section comprising: electronic circuitry housed within the track section; and a rotatable segment comprising an end profile that abuts another track section to form a stepped groove sealed by a gasket. A moving element for a linear motor conveyor system including: a body; a first set of bearings attached to the body and angled to abut against a first guide rail of a conveyor system having a protrusion with opposing angled profiles; a second set of bearing attached to the body and designed to abut against a flat profile of a second guide rail of the conveyor system. A dry lubricant provided to the body and configured to lubricate a bearing surface of the linear motor conveyor system supporting the first set of bearings.

The present invention relates to a device for magnetizing and assembling an electrical machine comprising a stator and a rotor with at least one permanent magnet. The device includes a magnetizer unit for magnetizing the at least one permanent magnet of the rotor, a rotor load unit, and a translation unit for translating the rotor from the magnetizer unit to a rotor load unit for inserting the rotor into the stator. The invention also relates to a method for magnetizing and assembling an electrical machine comprising a stator and a rotor with at least one permanent magnet at a magnetizing unit.

A linear motor includes a field core, a stator that includes a plurality of permanent magnets disposed on the field core, and an armature core that includes an armature winding wire, the armature core being disposed via a magnetic void with the permanent magnets. Assuming that a length of the armature core in a traveling direction of the linear motor is Lc, a pitch of the permanent magnets is p, and N is a natural number, the length Lc of the armature core is specified by (Np0.2p)Lc(Np+0.2p).

A washing machine driving apparatus comprises: a drive motor of a double rotor-double stator structure where the drive motor comprises an inner rotor and an outer rotor controllable independently by a double stator, and optionally generating inner rotor output and outer rotor output; a first inner shaft transferring the inner rotor output as a first input; a first outer shaft rotatably coupled to an outer periphery of the first inner shaft, and transferring the outer rotor output as a second input; a planetary gear unit where a gear ratio of a transmission output generated from a carrier is controlled by the second input applied to a ring gear through the first outer shaft, when the first input is applied to a sun gear through the first inner shaft; and a protection unit protecting the inner rotor where an outer peripheral portion of protection unit is supported by the double stator.

A brushless motor controller system includes a brushless motor (201) which further contains a rotor (24) and a stator (22), a plurality of independent motor controllers (203), a plurality of batteries (204), and a plurality of battery chargers (205). The stator (22) of the brushless motor (201) has a plurality of salient poles (32). A plurality of coils are wound on the salient poles (32) such that on each of the salient poles (32) there is wound different groups of windings electrically isolated from each other. The plurality of independent motor controllers (203) each corresponds and is electrically connected to one of the groups of windings on one of the salient poles (32) of the brushless motor (201). The plurality of batteries (204) each is connected to a corresponding one of the independent motor controllers (203) to provide electrical power thereto. The plurality of battery chargers (205) each is connected to el a corresponding one of the batteries (204). The plurality of independent motor controllers (203) each is adapted to power and control a corresponding one of the groups of coils on one of the salient poles (32) in the brushless motor (201) independently. The brushless motor controller system utilizes distributed motor controllers (203), batteries (204) and chargers (205) for brushless DC motor (201) which provides not only flexibility in motor output control but also redundancies of the controlling system making it more robust.

A stator arrangement for an electrical machine includes a casing element as one component and at least two stator segments, which are arranged in the casing element as further components. One of the components has a feather key groove and another one of the components has a feather key, which corresponds with the feather key groove, for bracing the one component against the other component.

A direct current machine comprises a stator and a rotor, wherein one of these two has a plurality of magnets which are alternatively magnetized north and south, and the respective other part has a plurality of coils which are formed by teeth around which insulated wire is wound, wherein between these coils there are formed respective slots and the coils are combined in coil groups; and a current controlled inverter for driving the machine; wherein each coil group has a front terminal and a rear terminal and the coil groups are connected such that a defined wiring concept is formed and wherein the front terminals and end terminals are connected via an interconnection element which is specifically designed for a defined wiring concept.

A modular stator portion adapted to be used in a transverse flux electrical machine (TFEM) includes a plurality of phase modules adapted to be axially secured together with a plurality of securing members. The phase modules of at least en embodiment thereof are substantially identical and interchangeable. Each pair of axially adjacent phase modules are adapted to be angularly located in respect with each other to set a phase shift. A phase module and a kit of phase modules sized and designed to assemble a modular stator are also encompassed by the present application.

A stator adapted to be used in a transverse flux electrical machine (TFEM) includes a plurality of phases comprising respective halves sized and designed to receive therein a plurality of cores about a rotational axis. The halves can be separated in angular portions sized and designed to be assembled together and further locate cores therein in respective predetermined positions. A TFEM phase assembly and a kit of phases components sized and designed to assemble a stator are also encompassed by the present application.

A modular stator adapted to be used in a transverse flux electrical machine (TFEM) includes a plurality of phase modules comprising respective halves sized and designed to receive therein a plurality of cores about a rotational axis. The phase modules are adapted to be assembled together to produce a multi-phase stator and disassembled to replace or maintain a phase module. The phase modules are configured to be angularly shifted from one another to produce a multi-phase TFEM. A TFEM phase assembly and a kit of phases components sized and designed to assemble a multi-phase stator are also encompassed by the present application.