Abstract: An in-wheel motor is disclosed including a stator and a rotor arranged around the stator, the stator including a cylindrical surface and coils with windings around axially oriented core members and including coil terminals, the motor further including a connector including at least two mutually isolated conductors arranged at the first end of the cylindrical surface near curved ends, the conductors each including a circumferential conducting body and a plurality of contact members extending from conducting the body and arranged for connecting to one of the terminals, wherein the circumferential conducting bodies are axially spaced apart from each other.

Abstract: An in-wheel motor for a vehicle includes: a stator with a connector attaching the stator to the vehicle, the connector including a shaft, an end plate of a larger diameter than the shaft, and a coolant passage through the end plate, the stator further including a hollow stator body with cylindrical outer surface and mounted to the connector. Cooling channels for circulating liquid coolant extend along the hollow stator body and are in fluid connection with the coolant supply duct, the cooling channels having an inlet for supply of liquid coolant to the plurality of channels and an outlet for discharging liquid coolant from the plurality of channels; wherein, at a side opposite from the connector member, the hollow stator body has an open end with a diameter larger than the diameter of the shaft. Also disclosed is a cooling jacket for such an in-wheel motor.

Abstract: An in-wheel electric motor includes at a vehicle side a connector stub, a stator body connected to the connector stub and on an outer surface equipped with stator windings, and further includes a rotor body coaxially enclosing the stator and rotatable around a rotation axis. The electric motor further includes a power electronics device for powering the stator and a detector for an angular position of the rotor body relative to the stator. The connector stub is provided with a support for coupling to the power electronics device which is mounted on the support inside the hollow stator body. The detector includes an angular position sensor mounted inside the hollow stator body and coupled to the rotor body wherein the detector is mounted on the power electronics device coaxially with the rotation axis.

Abstract: An in-wheel electric motor includes at a vehicle side an elongated connector, a cylindrical stator body connected to the connector and on an outer surface of the stator body equipped with stator windings, a cylindrical rotor body enclosing the stator, and a power electronics device powering the stator windings. The connector is provided with a first opening of a feed channel for coolant and a second opening of a return channel for coolant, each of the feed and return channels being parallel to an axial direction of the connector. The electric motor includes a cooling circuitry with a feed connector and a return connector for coolant, which circuitry includes a coolant supply channel that extends from the feed connector through first the power electronics device and subsequently through a cooling jacket that is situated at the perimeter of the cylindrical stator body and from there to the return connector.

Abstract: A motor drive unit for an in-wheel motor includes a housing and one and capacitors and solid state switching devices arranged within the housing. The housing includes: a lower compartment including a bottom plate, sidewalls which extend from the bottom plate, and end sides at the transverse ends of the sidewalls and bottom plate, wherein the bottom plate is provided with cooling channels for receiving a liquid coolant; a separation plate covering the lower compartment, wherein the separation plate is in thermal contact with the sidewalls and with the capacitors. The solid state switching devices are arranged in the lower compartment between the bottom plate and the separation plate and in thermal contact with the bottom plate, wherein the capacitors are connected to DC bus bars and are arranged at a side of the separation plate that faces away from the lower compartment.

Abstract: Disclosed is a drive assembly for an in-wheel motor, which in-wheel motor has a rotor, the rotor having an axis of rotation, a peripheral outer surface and a transverse road side surface, wherein the drive assembly is provided with a assembly adapted for supporting two tyres and includes a circumferential first part and a circumferential second part, each part provided with a rim-section for carrying a respective one of the two tyres, wherein the first part and second part are adapted to be mounted on the rotor from and at the transverse road side surface of the rotor and are detachable from the rotor from the transverse road side surface, and wherein the second part is detachable from the rotor independent from the first part.

Abstract: A vehicle having a high voltage power source for operating high voltage devices, such as in-wheel electric motors for propelling the vehicle. The high voltage in-wheel electric motors are controlled by dedicated controllers paired with the devices and requiring low voltage power. The vehicle includes one or more converters paired with the dedicated controller(s) and for converting high voltage power to low voltage power suitable for powering the controllers.

Abstract: Disclosed is road vehicle wheel with an in-wheel electric motor that includes a rim configured for mounting at least one tire on the rim; a rim support configured for supporting the rim on a non-rotating wheel part to allow rotation of the rim with respect to the non-rotating wheel part; a stator of the in-wheel electric motor, the stator including electromagnets and being supported on the non-rotating wheel part; and a rotor of the in-wheel electric motor, the rotor including permanent magnets and being supported on the rim support such that any forces exerted on the rim do not act on the rotor. The rim is supported such that any forces exerted on the rim are directly born by the rim support and is not in direct contact with the rotor.

Abstract: A vehicle includes at least one electromotor for driving the vehicle, an actuator for controlling the supply of electric power to the electromotor, and a power system for providing electric power to the electromotor. The power system includes an energy storage, an energy meter for measuring the energy condition of the energy storage, a power generator for generating electric power, and a computer system. The energy storage supplies power to the electromotor. The power generator supplies energy to the energy storage. The computer system controls the power supplied by the power generator so that the energy storage is able to provide the electromotor with the power the electromotor needs for driving the vehicle.

Abstract: The invention relates to a wheel provided with electric driving means in the wheel, the electric driving means comprising a rotor and a stator coaxially within the rotor and connectable to a vehicle, with an air gap provided between said rotor and said stator, wherein said wheel is provided with an air gap controlling bearing.

Abstract: The invention relates to wheel for a vehicle comprising, inside the wheel: a housing having a first side for mounting to a vehicle, an electrical motor for driving movement of said vehicle, said electrical motor comprising a stator rotation-fixedly connected to said housing and a rotor rotationally coupled to said stator and having an axis of rotation, said stator being arranged within said rotor, and a brake drum, forming an integral piece of equipment with the rotor. The invention further relates to a vehicle provided with such a wheel and a method and an adapter plate for mounting such a wheel to a vehicle, and to such a wheel having a rim system in which the rim forms an integral part with said rotor and with a brake drum of the brake system, i.e. forming one integral price of equipment.

Abstract: A wheel provided with electric driving means in the wheel, the electric driving means comprising a rotor and a stator coaxially within the rotor and connectable to a vehicle, with an air gap provided between said rotor and said stator, wherein said wheel is provided with an air gap controlling bearing.

Abstract: The invention relates to wheel for a vehicle comprising, inside the wheel: a housing having a first side for mounting to a vehicle, an electrical motor for driving movement of said vehicle, said electrical motor comprising a stator rotation-fixedly connected to said housing and a rotor rotationally coupled to said stator and having an axis of rotation, said stator being arranged within said rotor, and a brake drum, forming an integral piece of equipment with the rotor. The invention further relates to a vehicle provided with such a wheel and a method and an adapter plate for mounting such a wheel to a vehicle, and to such a wheel having a rim system in which the rim forms an integral part with said rotor and with a brake drum of the brake system, i.e. forming one integral price of equipment.

Abstract: The invention relates to a wheel provided with electric driving means in the wheel, the electric driving means comprising a rotor and a stator coaxially within the rotor and connectable to a vehicle, with an air gap provided between said rotor and said stator, wherein said wheel is provided with an air gap controlling bearing.

Abstract: A traction assembly includes a wheel with a wheel shaft and traction means which, when in operation, exert torque on the wheel shaft. The traction assembly further includes a first electromotor coupled to a second electromotor, housings, stators, rotors, controllers, at least one operating means connected to a controller, at least one measurement tool and at least one data communication means.

Abstract: A traction assembly includes a wheel comprising a wheel shaft and traction means which, when in operation, exert torque on the wheel shaft, wherein the traction ratio, being the arm of the torque divided by the size of the radius of the wheel, is larger than 0.57.

Abstract: The invention relates to a vehicle comprising at least one electromotor for driving the vehicle, an actuator for controlling the supply of electric power to the electromotor and a power system for providing electric power to the electromotor drive of the vehicle, which power system is provided with first energy storage means for storing a quantity of energy and having a power discharge capacity, first measuring means for measuring the energy condition of the first energy storage means, first power generating means for generating electric power, a computer system, operationally connected to the actuator for receiving a power demand, to the first measuring means for receiving a first energy condition value, and to the first power generating means, wherein the first energy storage means are operationally connected to the electromotor for supplying power thereto, the first power generating means are operationally connected to the first energy storage means for supplying energy thereto, and the computer system con

Abstract: A wheel provided with an electro motor in the wheel. A wheel strut is attached to a vehicle, and a wheel is attached to the wheel strut. The electro motor causes a wheel attachment component to rotate about its longitudinal axis. Data from the wheel is exchanged with other similar wheels.

Abstract: The invention relates to a wheel provided with electric driving means in the wheel, control, measuring and operating means in the wheel for operating the electric driving means and data communication means in the wheel. Additionally the invention relates to a method for coordinating at least two of such wheels attached to one vehicle. Additionally the invention relates to a wheel strut provided with vehicle attachment means for attaching the wheel strut to a vehicle, and wheel attachment means for attaching a wheel to the wheel strut, in which the wheel attachment means are rotatable about the longitudinal axis with respect to the vehicle attachment means and in which the wheel strut is provided with driving means for rotating the wheel attachment means. The invention also relates to a wheel according to the invention provided with a wheel strut according to another aspect of the invention.

Abstract: A wheel is provided with an electric motor in the wheel, control, measuring and operating devices in the wheel for operating the electric motor, and a data communication link in the wheel. At least two of such wheels may be attached to one vehicle and coordinated. A wheel strut is attached to the wheel using an attachment that is rotatable about its longitudinal axis. The wheel strut is able to rotate the wheel using the attachment.