A power module for an electric machine. The power module includes a thermally conductive base having opposite first and second surfaces. The first surface is adapted for mounting the power module in conductive thermal communication with a heat sink. A MOSFET superposes the base second surface and is in conductive thermal communication with the base. A MOSFET driver superposes the base second surface and is operatively connected to the MOSFET. The transference from the power module of heat generated by the MOSFET and the MOSFET driver from the power module is directed along a primary cooling path to the heat sink through the base and a secondary cooling path to ambient air. The primary and secondary cooling paths are separate from each other. An electronics package and an electric machine including a power module are also disclosed.

A brushless motor comprising a frame; a rotor assembly comprising a shaft, a rotor core and a bearing assembly, the bearing assembly being mounted to the frame; and at least one stator comprising a C-shaped stator core, the stator core comprising a back and first and second arms, wherein at least one of the first and second arms includes a protrusion that contacts the frame so as to inhibit radial movement of the stator core towards the rotor assembly.

A transport device in the form of a planar motor having at least one transport segment which forms a transport plane and having at least one transport unit, which can be moved at least two-dimensionally in the transport plane, to allow more versatile process management, is provided in the transport device. At least one coupling apparatus for releasably coupling the transport unit to the coupling unit is arranged on the transport unit and, on the coupling unit in each case, the transport unit and the coupling unit can be coupled, at least temporarily, by the coupling apparatuses to form an assembly by way of a relative movement in the transport plane. The coupling apparatuses interact in the coupled assembly in order to limit a relative movement between the transport unit and the coupling unit in at least one degree of freedom of movement.

Stator modules are disclosed. Stator modules may include: a stator body; a working surface supported relative to the stator body; and a plurality of electrical conductors, each electrical conductor of the plurality of electrical conductors extending along a respective portion of the working surface and operable to generate a magnetic field to facilitate moving, relative to the working surface, a magnetized mover in the magnetic field in response to electrical current through the electrical conductor. Robotic systems including such stator modules are also disclosed.

The present disclosure relates to a manufacturing method for a laminated core, which manufactures the laminated core by bonding lamina members. The manufacturing method includes: a laminated core forming step of forming a laminated core by sequentially forming and laminating lamina members having a predetermined shape while passing a thin sheet having an adhesive layer formed on a surface thereof; a magnet insertion step of inserting a magnet into a magnet insertion hole of the laminated core; a resin filling step of filling resin in the magnet insertion hole of the laminated core into which the magnet is inserted; and a curing step of heating the resin-filled laminated core to cure the adhesive layer of the lamina member, so that the laminated core is integrated and the filled resin is simultaneously cured.

A linear motor system may include a plurality of track sections that may enable a mover to traverse a track formed by the plurality of track sections. The system may also include a plurality of connection modules, such that each connection module of the plurality of connection modules may physically couple two respective adjacent track sections of the plurality of track sections and communicatively couple the two respective adjacent track sections of the plurality of track section. Each connection module may also electrically couple the two respective adjacent track sections of the plurality of track section.

A drive apparatus is provided, including: an electric motor; a gear that is mechanically connected to the electric motor; an electric power control unit that is electrically connected to the electric motor; and a casing that houses the electric motor, the gear, and the electric power control unit. The casing includes a fixation portion to which an electric unit for function expansion is attached in a detachable manner and a connection portion by which the electric unit fixed to the fixation portion is electrically connected to the electric power control unit.

A pump system for pumping production fluids from a wellbore or pumping well treatment fluids into a wellbore comprising: an axial flux electric motor; a seal section coupled to the axial flux motor; a pump intake coupled to the seal section; a pump coupled to the pump intake, and a fluid discharge coupled to the pump. The torque capacity axial flux motor may be modified without removing the axial flux motor from the pump.

An embedded permanent magnet type motor, which has one pole configured of two permanent magnets and has a plurality of poles of permanent magnets embedded in a rotor, includes a rotor whose magnet embedding holes communicate with a rotor outer periphery. The rotor has, between adjacent poles, a q-axis projection projecting in a direction away from a rotor rotation center. The magnet embedding holes are disposed so as to form an inverted V shape. An outer peripheral edge portion on the outer side of the permanent magnets has a curvature radius smaller than the distance from a rotation center axis to a rotor outermost peripheral portion. Circular intermediate plates of an outside diameter larger than the outside diameter of rotor steel plates are provided in intermediate positions in the rotor in a rotor rotation axis direction.

A stator assembly for receiving at least two rotors. The assembly comprises at least two individual stators which are divided into stator segments, with at least one segment being a shared segment which forms part of at least two adjacent individual stators. An engine valve actuation assembly includes a stator assembly comprising at least two individual stators. Each individual stator comprises a peripheral portion extending around the longitudinal axis of the stator, with part of the peripheral portion of each stator forming part of the peripheral portion of an adjacent individual stator. Methods for assembling a stator assembly are also described.