A drive wheel for a wheelchair includes a wheel hub motor, wherein the wheel hub motor has a connecting structure and an output end at a side that is opposite to the connecting structure. The output end is engaged with a wheelchair wheel. The wheel hub motor is surrounded by a receiving case. The receiving case has a control terminal block that is electrically connected to a battery module and a control board which are disposed in the receiving case. Since a portion of the battery module is disposed in the receiving case, the battery module of the wheelchair are separately disposed in drive wheels and the main body of the wheelchair, so that the weight of the battery module is distributed, thereby reducing the weight of the main body and keeping the drive wheel liftable. With such design, the wheelchair could be easily transported and assembled.

A wheel assembly is for a unitractor. The wheel assembly has a wheel, a static hub and an internal electrical motor. The wheel has a rim, a traction member arranged to the periphery of the rim and a plurality of magnets arranged to the inside of the rim. The hub has a stator having spherical windings. The wheel is rotatably connected to the hub via at least one bearing. At least one side panel extends from the rim and to the at least one bearing. At least one of an energy source and a controller for controlling the energy source is positioned in the hub. The hub is provided with a coupling member for an implement frame. A unitractor having the wheel assembly is also described.

Space-saving in an automobile or the like provided with a battery is achieved. Design flexibility of an automobile or the like can be improved. An electric power control method or an electric power control system capable of utilizing electric power efficiently is provided. It is an electric power control system of an automobile including a car body, a first battery, a second battery, and a control unit. The control unit obtains states of charge of the first battery and the second battery, determines whether or not a difference between remaining capacities of the first battery and the second battery exceeds a predetermined value, and controls transmission of electric power between the first battery and the second battery, in the case where the difference in the remaining capacities exceeds the predetermined value, to be made such that the remaining capacities are close to each other.

Disclosed is an electrically motorised wheel, transmission and control module, kit, vehicle and system. The electrically motorised wheel 100 is configured to releasably couple to a non-motorised wheeled vehicle. The electrically motorised wheel 100 includes: a ground engaging assembly 110; a coupling assembly 125 for releasably coupling the electrically motorised wheel to an axle 2000 of the vehicle 2700; and a housing 1902 configured to house: an electric motor 560 operatively coupled to the ground engaging assembly 110; a control system 505 including or coupled to an inertial measurement unit 540, which is stationary within the housing 1902 during motorised rotation of the electrically motorised wheel 100, and a controller 510 configured to control operation of the electric motor 560 based one or more sensor signals received from the inertial measurement unit 540; and a power source 520 electrically connected to the control system 505 and the electric motor 560.

Vehicles are disclosed which have a lower center of gravity than existing all-terrain, amphibious, and unmanned ground vehicles due to the location of propulsion units and other vehicle components inside the wheels of the vehicle. The vehicles can climb over large obstacles yet are also able to corner at high speeds. The vehicles can be configured for direct manual operation or operation by remote control, and can also be configured for a wide variety of missions.

A spoke for a wheel can include a first end, a second end, and an attachment section therebetween, the first end and the second end extend at an acute angle with respect to each other, the attachment section including a non-circular portion in cross-section.

A wheel assembly includes an attachment module, a motor module, a battery module, and a wheel. The wheel is rotatably coupled to the attachment module about a rotational axis of the wheel. The attachment module has a plurality of coupling elements, and the motor module and the battery module each releasably couple to one of the coupling elements. The wheel extends around the attachment, motor, and battery modules. The motor and battery modules are identically shaped in a direction along the rotational axis.

A vehicle includes a chassis, a tractive assembly coupled to the chassis, the tractive assembly including a tractive element configured to engage a support surface, a battery directly coupled to the tractive assembly, and an electric motor coupled to the tractive assembly. The electric motor is configured to receive electrical energy from the battery and drive movement of the tractive assembly relative to the chassis to propel the vehicle.

The invention relates to a vehicle including a chassis and a pair of wheels supported in spaced apart relationship by the chassis for rotation about a common axis. A pair of drive modules is associated with the respective wheels. The drive modules and the chassis are connected for rotation as a sub-assembly relative to the wheels about the common axis with the centre of mass of the sub-assembly below the common axis in a static equilibrium position. Each of the drive modules is housed substantially within the respective wheel.

The disclosure is related to an electric wheel, adapted to a wheel shaft. The electric wheel includes a wheel body, a battery holder, and at least one battery module. The wheel body has a wheel hub configured to be rotatably disposed on the wheel shaft. The battery holder includes a base and at least one first electrical connector connected to each other. The base is configured to be connected to the wheel shaft and disposed side by side to the wheel hub. The base has an outer surface facing away from the wheel shaft. The at least one battery module includes at least one battery storage and at least one second electrical connector. The at least one battery storage has an inner surface in contact with the outer surface of the base. The at least one second electrical connector is detachably mounted on the at least one first electrical connector.