Abstract: A voice coil motor assembly including a base, a frame, an elastic sheet, a housing, and a plurality of shock-absorbing components is provided. The frame is disposed on the base. The frame includes a bottom surface, a top surface, a plurality of side walls and a support frame. One side of the elastic sheet is disposed on the top surface of the frame and the other is disposed on the support frame. The housing is disposed above the base to receive the frame and the elastic sheet. The housing includes a housing top wall and a plurality of housing side walls surrounding the housing top wall. The shock-absorbing components are disposed on the frame and are sandwiched between the frame and the housing side walls of the housing, and/or between the support frame and the housing top wall of the housing.

Abstract: A vibration generating device includes a housing; a diaphragm supported by the housing, and configured to generate sound by vibrating in a first direction; and a vibration providing part attached to the housing, and configured to vibrate the housing. The vibration providing part vibrates the housing in the first direction at a first frequency, and vibrates the housing in a second direction at a second frequency lower than the first frequency.

Abstract: The invention relates to an electric drive unit for a motor vehicle, having two electric drives (5A, 5B), which are arranged in a housing casing (4) of a common drive housing (3) and each comprise a stator and a rotor (8) rotating together with a rotor shaft (8A, 8B). Adjacent shaft ends (10A, 10B) of the rotor shafts (8A, 8B) are rotatingly mounted in a bearing housing (25), which is the central region of a bearing plate (20) arranged in the drive housing (3). In order to create an electrical drive unit having electric drives arranged one behind the other in a common drive housing, which is compact in the longitudinal direction, without disadvantages with respect to the strength of the drive housing being associated therewith, components of the bearing plate (20) are struts (21, 22, 23) which extend from the bearing housing (25) to the outside and connect the bearing housing (25) to the housing casing (4) of the drive housing (3).

Abstract: A stator for an electric machine, including a shaped rod winding, wherein the shaped rod winding is formed by a plurality of shaped rods which have connecting points in the region of a winding head, wherein the connection points are surrounded by a casting layer, and wherein a thickness of the casting layer is predetermined by an enveloping element which is arranged on the winding head close to the contour.

Abstract: A hub for a human-powered vehicle is provided that comprises a hub axle, a hub body, an electric power generator, and a communication device. The hub body is rotatably mounted on the hub axle about a rotational axis. The electric power generator is provided between the hub axle and the hub body. The electric power generator is configured to generate electric power by relative rotation between hub axle and the hub body. The communication device is located at least partly outside of the hub body. The communication device includes a wireless communicator configured to wirelessly communicate with an additional wireless communicator.

Abstract: A self-powered recloser includes a circuit breaker, an electrical actuator, an electrical generator, a capacitor, and a lever. When in an on state, the circuit breaker harvests power from a medium voltage line required to actuate its movable contact to interrupt current flow in the medium voltage line, and when in an off state, it does not harvest power from the medium voltage line. The electrical actuator is configured to transition the circuit breaker from the off state to the on state. The capacitor when charged is configured to provide the electrical actuator with the electrical power required to transition the circuit breaker from the off state to the on state. The lever is configured to be moved by an operative. Movement of the lever is configured to charge the capacitor via the electrical generator.

Abstract: A method for operating a system including a voltage regulating power supply includes sensing a local voltage on a first node of the system and a remote voltage on a second node of the system. The first node and the second node are in a conductive path coupled to a load of the system. The first node is closer to a power stage of the voltage regulating power supply than the second node. The second node is closer to the load than the first node. The method includes detecting a load release event based on the local voltage, the remote voltage, and at least one predetermined threshold value.

Abstract: Techniques described here provide a rotor and a method of making a rotor. In an embodiment, a method of making a rotor includes forming a magnet array by assembling a plurality of magnets into the magnet array, providing pre-preg adjacent to the magnet array, co-curing the magnet array with the pre-preg, and magnetizing the magnet array subsequent to the formation of the magnet array.

Abstract: An object of the present invention is to firmly fix a magnet at a predetermined position of a magnet insertion portion. A rotor for a rotary electric machine includes: a rotary shaft; at least one magnet; a rotor core having at least one magnet housing inside which the at least one magnet is attached; and at least one fixing member disposed inside the at least one magnet housing to fix the at least one magnet, wherein the at least one fixing member includes: a first fixing portion that is in contact with a side surface of the at least one magnet in a radial direction of the rotary shaft or in contact with a side surface of the at least one magnet in a circumferential direction of the rotary shaft; and a second fixing portion that is in contact with an end face of the at least one magnet in an axial direction of the rotary shaft.

Abstract: The present document describes a power converter configured to convert electrical power at an input voltage at an input of the power converter to electrical power at an output voltage at an output of the power converter. The power converter comprises a first flying capacitor, a second flying capacitor and a third flying capacitor, as well as an inductor and a set of power switches. Furthermore, the power converter comprises a control unit configured to control the set of power switches such that during an operation cycle the power converter is operated in a first state and in a second state in a mutually exclusive manner.

Abstract: First and second chiplets are positioned along a surface to respectively cover first and second electrodes. The first electrode is activated to cause an attraction force between the first electrode and the first chiplet. The second electrode is deactivated allowing the second chiplet to rotate on the surface. While the first electrode is activated and the second electrode is deactivated, a rotation field is applied to cause the second chiplet to be oriented at a desired orientation angle, the first chiplet being prevented from rotating by the attraction force.

Abstract: The present invention relates to a state-indicating device (100) for circuit breaker with test function disclose. The state-indicating device (100) includes signal transmission to plurality of indicating devices (100) from the circuit breaker by means of linking features between the circuit breaker and indicating device and also linkage between one indicating device and other indicating device. Indicating device includes a mechanical linkage comprising an actuator connected to hook member (7) and tripping bar (8) with stainless-steel rod (9) being configured to: operate mechanical plate (6) and lever (10), test function actuator (4); to push the microswitch button (19) of a microswitch assembly (12) by selectively On/Off (OF), Signal Default (SD) and SD+OF causing the circuit to change status from Normally Open (NO) to Normally Close (NC); and to show the trip status of the circuit breaker which is mounted to, say the right side of the invented state-indicating device (100).

Abstract: An electric motor of a pump drive of a motor vehicle, more particularly of an oil pump, having a rotor, which comprises a motor shaft mounted to rotate about an axis of rotation. The motor shaft is coupled by means of a freewheel to a motor support, the freewheel being held on the motor support by means of a securing device. Further disclosed is a pump drive of a motor vehicle.

Abstract: An object is to more surely prevent a temperature sensor inserted into a gap between coils, from slipping out of the gap. A temperature sensor includes: a sensor element including a thermosensitive body, paired electric wires electrically connected to the thermosensitive body, and a covering body having elasticity and covering the thermosensitive body; and a housing including an abutting portion and a supporting portion extending in a direction intersecting with the abutting portion, and the housing holding the sensor element. The covering body protrudes from the abutting portion at a position separated by a predetermined distance from the supporting portion. The paired electric wires are drawn out from the housing in a direction intersecting with the covering body.

Abstract: The present invention relates to a multi-phase voltage regulator and a temperature monitoring method thereof. The method includes the following steps of: step 1a: providing a multi-phase voltage regulator including a controller and a plurality of power stages, wherein the controller transmits a corresponding control signal to each of the plurality of power stages, each of the plurality of power stages including a temperature sampling unit, outputs of the temperature sampling units connected to the controller and in parallel with each other; Step 1b: performing time-sharing signal exchange with the temperature sampling unit of the power stages; and Step 1c: when the controller exchanges signals with the temperature sampling unit of a certain power stage, the temperature sampling unit transmits an output signal representing the temperature thereof to the controller via the output.

Abstract: An improved counter-rotating (CR) differential electric motor assembly is utilized to power an aircraft vehicle or fan for moving a gas and includes two oppositely rotating propellers that may be mounted to horizontal flight and vertical lift-off aircraft or a fan housing in spaces similar in size to mounting spaces for traditional motors having only one propeller and includes a hollow central shaft and slip ring assembly that is mounted either within, slight above, or total above oppositely rotating components and around the hollow central shaft.

Abstract: Disclosed is a displacement correction apparatus. The apparatus comprises: a reference circuit and a correction circuit; the reference circuit is configured to provide a reference signal; the correction circuit is configured to perform a logarithm operation on a nonlinear displacement signal to be corrected based on the reference signal, to obtain a corrected linear displacement signal. The displacement correction apparatus can solve the problem of poor detection accuracy resulting from a position signal output by an eddy current sensor being not in a linear relationship with a displacement signal of a shaft, thereby achieving the effect of improving detection accuracy. A magnetic levitation bearing system and a displacement correction method therefor which use the above displacement correction apparatus are also disclosed.

Abstract: An electric machine includes a stator having a winding, as well as at least one temperature sensor assembly having a temperature sensor section with a temperature sensor for detecting the temperature in the region of the winding. The ends of at least one part of the conductor on the inner circumference and/or on the outer circumference of the winding protrude axially or radially over the winding. An interconnection ring is placed axially or radially on the winding, which has at least one conductor bridge to which at least one portion of the ends are connected. A receiving section for the temperature sensor section is provided on the conductor bridge, in which the temperature sensor section is accommodated, thermally coupling the temperature sensor with the conductor bridge.

Abstract: An electronic circuit for a surgical robotic system includes a central power node, a first voltage bus that electrically couples a first power source to the node, a second voltage bus that electrically couples a second power source to the node, and several robotic arms, each arm is electrically coupled to the node via an output circuit breaker and is arranged to draw power from the node. Each bus is arranged to provide power from a respective power source to the node and each bus has an input circuit breaker that is arranged to limit a first output current flow from the node and into the bus. Each breaker that is arranged to limit a second output current flow from the node and into a respective arm. A breaker is arranged to open in response to a fault occurring within the respective arm, while the other breakers remain closed.

Abstract: A method for controlling an electric machine, in particular a permanent magnet synchronous machine, having a first, in particular three-phase, winding system, which is controlled by a first converter, and having a second, in particular three-phase, winding system, which is controlled by a second converter. The first converter is operated with block commutation and the second converter is operated with pulse width modulation, in particular space vector modulation.