Provided is an electric work vehicle having a simple configuration, yet allowing a hydraulic cylinder to function appropriately even in a low-temperature environment. An electric work vehicle includes a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder and includes also a hydraulic system for feeding work oil to these hydraulic cylinders and a traveling motor. The hydraulic system includes an oil heating circuit for heating the work oil using heat generated from the traveling motor.

A lawn mower or stand-on powered drivable machine has an electrical port that receives current from an alternator powered by the engine or motor. The port receives a plug from a garment worn by the lawn mower operator. The garment includes one or more thermo-electric elements that are powered from current extending through the port. The thermo-electric (TEC) elements may be resistive heaters to warm the operator or TEC coolers to cool the operator. Furthermore, the garment may include a rechargeable battery that powers the thermo-electric elements when the plug is disconnected from the port.

A motor controller assembly is configured for use with an electric motor and includes a controller and an absorbent pad. The controller includes a capacitor with a capacitor shell and a liquid electrolyte contained therein. The capacitor shell has a frangible rupture area that opens during a capacitor rupture event to permit the discharge of liquid electrolyte from the capacitor shell. The absorbent pad overlies the rupture area to collect discharged liquid electrolyte.

The disclosure is directed to parallel hybrid drive assemblies for lightweight unmanned aerial vehicles (UAVs). Specifically, the disclosure is directed to hybrid drive assemblies and control systems for UAVs, utilizing continuous belt tension modulation to couple and decouple an electric motor and an internal combustion engine. In some embodiments, this is achieved through the use of a tensioner module that is configured to couple and decouple the electric motor and the internal combustion engine by continuously and selectably modulating belt tension on drive elements of each of the electric motor and the internal combustion engine.

Disclosed herein is a controller-integrated driving motor module. The controller-integrated driving motor module includes: a motor; a motor housing configured such that the motor is accommodated therein; a power transmission unit connected to the motor, and configured to transmit a rotational force of the motor to each part of a power seat for the movement of the power seat disposed in a vehicle; and a controller disposed between the motor and the power transmission unit, and configured to control the rotation of the motor. The controller includes a MCU configured to control the rotation of the motor, an inverter configured to receive a driving signal from the controller and drive the motor, and a power supply unit configured to receive power from the battery of the vehicle and provide the power to the controller.

A hard start capacitor replacement unit includes a capacitor container having a cover, a plurality of capacitors received within the container, each of said capacitors having a capacitance value, a common terminal mounted on the cover and electrically connected to a common terminal of each of said plurality of capacitors, a plurality of cover terminals mounted on the cover spaced apart from the common terminal and from each other, each cover terminal respectively electrically connected to one of the plurality of capacitors, a relay having contacts and being capable of opening and closing said contacts in response to a monitored condition of the motor, the relay having relay terminals, a fuse electrically connected to one of the relay terminals by a first wire wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a failure, and a second wire electrically connecting one of the relay terminals and the motor, a third wire electrically connecting the common terminal and one of the relay terminals, a fourth wire electrically connecting one or more cover terminals to one of the relay terminals, wherein the contacts of the relay close to electrically connect one or more capacitors of the plurality of capacitors to the motor, and the contacts of the relay open to electrically disconnect the one or more capacitors of the plurality of capacitors from the motor.

A miniature handheld electric traction device including a shell, a power supply part, a power motor, a reduction gear set, a braking part and a winding drum, wherein the power motor, the reduction gear set and the winding drum are arranged in the shell; the power motor is linked with the winding drum through the reduction gear set; a surface of the winding drum is wound with a traction rope; the reduction gear set includes a planetary gear; the sun gear of the planetary gear is coaxial with the winding drum; the power motor or the motor shaft of the power motor is inserted into the inner ring of the winding drum; the motor shaft is linked with the planetary gear.

Power plant having generator with stator and rotor rotating in opposite directions and comprising rotor generator linear gear and stator generator linear gear positioned in opposite directions to one another relatively to generator axis consisting of rotor shaft and stator shaft, rotor generator impeller and stator generator impeller in contact with rotor generator linear gear and stator generator linear gear, and have rotational motion in opposite directions, at least one carrying motor allowing lifting the mechanism up by motor linear gear, sensor groups detecting location of the mechanism, battery and/or power supply and/or electricity grid providing electrical energy for the system, brush-slip ring system and mechanism phase output for drawing out electricity generated in said generator, a control unit controlling accelerating, decelerating and stopping actions of said mechanism of which location is detected by mechanism phase output and sensor groups and carrying motor and motor drive circuit preforming said actions.

A power system, a power system control method, an unmanned aerial vehicle (UAV) and a UAV control method are disclosed. The power system includes an engine, a motor, and a battery. The engine includes an engine body and an engine output shaft. The motor includes a stator, a rotor, and a stator connector for connecting the stator and the rotor. The stator connector is arranged on the engine body, and the rotor is coaxially arranged on the engine output shaft. The rotor is used for coaxial connection with the external power receiver. The battery is connected to the motor, and the battery can be discharged to provide electric energy to the motor, or receive the electric energy output by the motor for charging.

A system for wirelessly supplying electric energy to a rotating device includes a flange disk, a disk-shaped ring, an annular plastic filling, a receiving coil which is embedded in the annular plastic filling, a U-shaped ferrite core having a short section, the end face of which is directed to the plastic filling, a long section which is oriented parallel to the short section and which extends parallel along the outer surface of the annular plastic filling, with the sections connected to one another via a section, a coil system and a receiving coil made of revolving wire windings. A distance of the end face of the long section from the rotation axis of the flange disk is smaller than a distance of the receiving coil from the rotation axis of the flange disk.