An Integrated Starter Generator System The present invention relates to an Integrated Starter Generator system (100) comprising a battery (110) and a three-phase brushless DC electric machine (130). The electric machine (130) has a stator (132) with 6n stator teeth (132′), ‘n’ being a natural number, and each stator tooth (132′) has a coil corresponding to one of the three phases. The electric machine (130) further has a rotor (134) with 6n±2 rotor poles (134′) facing the stator, and magnets on the rotor poles (134′) are disposed with an alternating sequence of magnet polarity facing the stator (132).

The subject matter described herein includes a magnetic bearing assembly and an arrangement of position sensors for the magnetic bearing assembly. In one example the magnetic bearing assembly includes a rotor for fixedly coupling to a shaft for rotating with the shaft. The assembly further includes at least one stator assembly located adjacent to the rotor and circumferentially surrounding the shaft. The stator assembly includes a control coil for magnetically supporting the rotor. The stator assembly further includes a plurality of position sensors that are circumferentially spaced from each other and that extend radially from the stator assembly for measuring an indication of axial displacement of the rotor.

In some examples, a system including a gas turbine engine, the engine including a high-pressure (HP) shaft; HP compressor; HP turbine, second shaft; second compressor; second turbine, the second turbine being coupled to the second compressor via the second shaft (e.g., LP shaft); and a generator coupled to the LP shaft. The generator is configured to generate electrical power from rotation of the LP shaft, and increase electrical power generated by the generator to increase a torque applied to the LP shaft by the generator, e.g., in combination with reduction in engine thrust, or in response to the detection of a stall and/or surge of the engine. The increase in torque applied to the second shaft is configured to increase a rate at which a rotational speed of the second shaft decreases, e.g., in combination with the reduction in engine thrust or during the stall/surge of the engine.

An assembly includes at least a first motor (10) and a second motor (20) on which first targets (13) and second targets (23) being respectively mounted, the first targets (13) and the second targets (23) are respectively distributed angularly over the first motor (10) and over the second motor (20), each first target (13) having a first angular aperture, each second target (23) having a second angular aperture, the assembly furthermore having an angular position sensor (5) positioned between the motors (10, 20) and adapted to measure the angular position of the targets (13, 23).

A ground structure for a motor including: a housing having a flange protruded upwardly from the outer periphery of an opening formed on the top surface thereof; a bearing cover having a coupling groove formed along the outer periphery of the underside thereof to inserted the flange of the housing thereinto; a stator core fixedly disposed to the inside of the housing and having a plurality of teeth on which a coil is wound formed annularly along the inner periphery thereof; and a connector having one end coupled to the flange of the housing in such a manner as to be brought into contact with the coupling groove of the bearing cover when the bearing cover is coupled to the top end periphery of the housing and the other end passed through the housing in such a manner as to be brought into contact with the stator core.

A vehicle drive device that includes a rotary electric machine that serves as a drive force source for wheels; a speed change mechanism; a pump motor that serves as a drive force source for an electric pump that generates a hydraulic pressure to be supplied to a servo mechanism for the speed change mechanism; a case that accommodates the speed change mechanism; and a first inverter that controls the rotary electric machine and a second inverter that controls the pump motor, the first inverter and the second inverter being connected to a common DC power source, wherein: the first inverter and the second inverter are disposed in the case; and a first wiring member that extends from the DC power source is branched in the case to be connected to each of the first inverter and the second inverter.

The system may include a motor releasably connected to a control module and the control module releasably connected to a drive module. The system may further include a joint releasably connecting the control module to the drive module, wherein the joint includes a floating gear. The method may include determining a motor shaft rotation of a motor shaft in a motor, determining a shade tube rotation of a shade tube that moves a window shade over a path, comparing the motor shaft rotation to the shade tube rotation, determining, based on the comparing, that the shade tube rotation is not equal to the motor shaft rotation and determining that an obstacle exists in the path of the window shade. The method may also include determining a change in at least one of current or torque in the motor.

An electric machine is provided. The electric machine includes a stator having an electromagnetic coil and a rotor. The rotor is configured to rotate relative to the stator. The electric machine further includes a controller. The controller is adapted to control the electromagnetic coil. The controller includes a plurality of electrical components and an isolation member. The isolation member includes a first portion positioned in a first direction between two adjacent electrical components of the plurality of electrical components and a second portion positioned in a second direction normal to the first direction.

A DC electric motor having a stator mounted to a substrate, the stator having a coil assembly having a magnetic core, a rotor mounted to the stator with permanent magnets distributed radially about the rotor, the permanent magnets extending beyond the magnetic core, and sensors mounted to the substrate adjacent the permanent magnets. During operation of the motor passage of the permanent magnets over the sensors produces a substantially sinusoidal signal of varying voltage substantially without noise and/or saturation, allowing an angular position of the rotor relative the substrate to be determined from linear portions of the sinusoidal signal without requiring use of an encoder or position sensors and without requiring noise-reduction or filtering of the signal.

A gray code driving device for an electric roller shutter contains: a base, a transmission assembly, and a torque detection unit. The base includes an accommodating space for accommodating the transmission assembly and the torque detection unit and includes a rotary cover connected with the transmission assembly. The transmission assembly includes an electric motor for supplying power source, and the base further includes a digital module for controlling the electric motor. The torque detection unit is in connection with the transmission assembly and is driven by the transmission unit to encode gray codes, wherein the torque detection unit is electrically connected with the digital module to transmit the gray codes.