A generator including a stator winding, a rotor positioned radially inside the stator winding, including multiple coil assemblies each using a flat wire, a primary termination plate residing radially inside the rotor configured to connect a wire of a coil assembly to an adjacent wound coil and a secondary termination plate residing radially inside the rotor configured to connect a wound coil to an adjacent wound coil and connect the wound coil to a terminus connection.

An inverter for an electric motor is disclosed. The inverter includes a capacitor board including at least one capacitor, at least one transistor board, and a cooling element. The capacitor board and the at least one transistor board are electrically interconnected. The capacitor board and the at least one transistor board are each aligned transversely to a longitudinal central axis of the inverter. The cooling element is pot-shaped and provides a housing of the inverter that receives the capacitor board and the at least one transistor board.

An inverter for an electric motor may include a capacitor board and at least one electrically conductive contacting unit. The capacitor board may include at least one capacitor and at least one transistor board. The capacitor board and the at least one transistor board may be aligned transversely to a longitudinal direction. The capacitor board and the at least one transistor board may be electrically interconnected. The at least one electrically conductive contacting unit may be configured to contact at least one electrically conductive phase terminal of the motor. The at least one contacting unit may be connected to the at least one transistor board in an electrically conductive manner. The at least one contacting unit may be resilient in the longitudinal direction.

In this molded structure of the brushless fan motor, at least a part of a circuit board is supported by a notch portion in a distal end portion of a projecting end formed on a board storage portion side and a rotary shaft side of an insulator, the board storage portion and the insulator are placed in such a manner as to surround a periphery of a bearing support tube portion, a part of a molded portion is disposed between the bearing support tube portion and the insulator and between the board storage portion and the insulator, and the entire circuit board located inside a storage chamber, excluding the portion supported by the projecting end formed on the board storage portion side of the insulator, is covered with the part of the molded portion.

A twin radial air gap permanent-magnet-on-rotor brushless motor with a rotor comprising two magnet rings and a stator comprising individual iron-core-based stator pole modules containing a wound stator pole element with outward facing and inward facing radial pole surfaces, co-planar with the two magnet rings across the twin radial motor operating air gaps. Pole modules are mounted in a circular array upon an insulating surface or printed circuit board in automatic assembly operations interconnecting field coil windings in the desired pattern and including other electrical control components, with pole modules centered on the motor rotation axis and predominantly enclosed by the rotor. Field coil windings are supported by insulating bobbins located around the radial extent of the stator pole elements between the outer and inner facing radial pole surfaces with electrical means for connection to the electrical interconnection function supplied with the insulating surface or circuit board.

Systems, methods and apparatuses provide for technology that includes a motor, a trigger assembly including a trigger member and an elastomer member mechanically coupled to the trigger member and moveable along a movement axis, wherein the elastomer member includes an electrically-conductive non-planar surface, a controller configured to operate the motor, and a circuit board oriented substantially perpendicularly to the movement axis, the circuit board including a plurality of conductive tracks facing the non-planar surface coupled to a resistor divider, and wherein controller is configured to vary a speed of the motor based on a number of the plurality of conductive tracks contacted by the non-planar surface of the elastomer member. The elastomer member may include a non-planar surface having a conductive central region, a conductive peripheral region and an insulative region positioned between the conductive central region and the conductive peripheral region.

An axial field rotary energy device or system includes an axis, a PCB stator and rotors having respective permanent magnets. The rotors rotate about the axis relative to the PCB stator. A variable frequency drive (VFD) having VFD components are coupled to the axial field rotary energy device. An enclosure contains the axial field rotary energy device and the VFD, such that the axial field rotary device and the VFD are integrated together within the enclosure. In addition, a cooling system is integrated with the enclosure to cool the axial field rotary energy device and the VFD.

A position sensor includes a plurality of E-shaped ferromagnetic cores arranged to define a circular opening therethrough to receive a shaft. Each E-shaped ferromagnetic core has a plurality of teeth, wherein adjacent E-shaped ferromagnetic cores of the arranged plurality of E-shaped ferromagnetic cores have an overlapping tooth. The position sensor further includes a frame surrounding the arranged plurality of E-shaped ferromagnetic cores, with the E-shaped ferromagnetic cores coupled to the frame.

Disclosed are various embodiments for Torque Tunnel Halbach Array electric machines having a rotor comprising a plurality of rotor assemblies configured to form a magnetic torque tunnel having at least a first magnetic pole tunnel segment and a second magnetic pole tunnel segment, each of the rotor assemblies having a plurality of flux shaping Halbach Arrays configured to focus the Flux Density Distribution in the magnetic torque tunnel and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the magnetic torque tunnel, such that at least one of the plurality of coils is surrounded by the first magnetic pole tunnel segment or the second magnetic pole tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the magnetic torque tunnel.

An embodiment may provide a motor including a shaft, a rotor including a rotor core and a coil disposed on the rotor core, a stator disposed outside the rotor, a substrate electrically connected to the coil, and a first housing in which the substrate is disposed and which is coupled to the shaft and the rotor, wherein the substrate includes a sensor and a coil connected to the sensor, the first housing includes a hole, the stator includes a yoke and a magnet disposed on the yoke, the yoke includes a plurality of protrusions, and the protrusions and the hole are disposed to overlap the coil in an axial direction.