The invention is directed to a truck axle comprising two hub carriers connected by an axle bridge structure. Each hub carrier comprises a stator of a direct drive electric motor and carries a rotary assembly comprising a rim flange to support a rim for a single tyre. The hub carrier comprises a first part which is laterally positioned within the rim and a second part which is laterally positioned next to the rim. The rotary assembly is comprised of a wheel hub shaft which is laterally positioned within the rim and tyre combination and a second part which is laterally positioned next to the rim and tyre combination. The second part of the hub carrier comprises the stator and the second part of the rotary assembly comprises a rotor of the electric motor.

The invention is directed to a truck axle comprising two hub carriers connected by an axle bridge structure. Each hub carrier comprises a stator of a direct drive electric motor and carries a rotary assembly comprising a rim flange to support a rim for a single tyre. The hub carrier comprises a first part which is laterally positioned within the rim and a second part which is laterally positioned next to the rim. The rotary assembly is comprised of a wheel hub shaft which is laterally positioned within the rim and tyre combination and a second part which is laterally positioned next to the rim and tyre combination. The second part of the hub carrier comprises the stator and the second part of the rotary assembly comprises a rotor of the electric motor.

An automobile having: a frame provided with a plurality of metal elements interconnected with one another; at least one drive wheel; at least one electric motor connected to the drive wheel; an electronic power converter which controls the electric motor; and a dissipator device, which is connected to the electronic power converter, is configured to dissipate electrical energy and has at least one electrical resistance which is configured to generate heat through Joule effect and is thermally coupled to at least one corresponding metal element of the frame to transmit heat, through conduction, to the corresponding metal element.

Main figure: FIG. 3

A resistive grid includes a frame and at least one resistive element. The frame has a first frame end and a second frame end opposite the first frame end. The first frame end and the second frame end are joined by frame sides. The first frame end has a first length that is shorter than a second length of the second frame end. The at least one resistive element extends between the first frame end and the second frame end. The at least one resistive element has a first portion proximate the first frame end, and a second portion proximate the second frame end. The first portion is configured to have one or both of decreased heat generation or decreased electrical resistance relative to the second portion.

A resistive grid includes a frame and at least one resistive element. The frame has a first frame end and a second frame end opposite the first frame end. The first frame end and the second frame end are joined by frame sides. The first frame end has a first length that is shorter than a second length of the second frame end. The at least one resistive element extends between the first frame end and the second frame end. The at least one resistive element has a first portion proximate the first frame end, and a second portion proximate the second frame end. The first portion is configured to have one or both of decreased heat generation or decreased electrical resistance relative to the second portion.

An electric machine for a heavy-duty vehicle, the electric machine including a stator and a rotor separated by an air gap, where the stator includes a stator reconfiguration device arranged to modify a magnetic property of the stator, wherein the stator is mechanically reconfigurable by the stator reconfiguration device to allow control of magnetic flux in the air gap.

The invention is directed to a truck axle comprising two hub carriers connected by an axle bridge structure. Each hub carrier comprises a stator of a direct drive electric motor and carries a rotary assembly comprising a rim flange to support a rim for a single tyre. The hub carrier comprises a first part which is laterally positioned within the rim and a second part which is laterally positioned next to the rim. The rotary assembly is comprised of a wheel hub shaft which is laterally positioned within the rim and tyre combination and a second part which is laterally positioned next to the rim and tyre combination. The second part of the hub carrier comprises the stator and the second part of the rotary assembly comprises a rotor of the electric motor.

The invention is directed to a truck axle comprising two hub carriers connected by an axle bridge structure. Each hub carrier comprises a stator of a direct drive electric motor and carries a rotary assembly comprising a rim flange to support a rim for a single tyre. The hub carrier comprises a first part which is laterally positioned within the rim and a second part which is laterally positioned next to the rim. The rotary assembly is comprised of a wheel hub shaft which is laterally positioned within the rim and tyre combination and a second part which is laterally positioned next to the rim and tyre combination. The second part of the hub carrier comprises the stator and the second part of the rotary assembly comprises a rotor of the electric motor.

The present disclosure relates to systems, methods, controllers and computer program products for thermal management of a brake chopper resistor. The system comprises a resistor housing portion configured to receive a cooling fluid in a cooling fluid flow path; a brake chopper resistor in the resistor housing portion; a plurality of temperature sensors in thermal communication with different respective parts of the resistor cooling flow path through the resistor housing portion and configured to measure a first temperature at a first location in the cooling fluid flow path of the brake chopper resistor and to measure a second temperature at a second location in the cooling fluid flow path of the brake chopper resistor; and control logic, configured to compare the first temperature and/or the second temperature to a threshold value or to compare the first temperature with the second temperature, and to make a determination of whether to allow activation of the brake chopper resistor in response to the comparison with the threshold value.

The present disclosure relates to systems, methods, controllers and computer program products for thermal management of a brake chopper resistor. The system comprises a resistor housing portion configured to receive a cooling fluid in a cooling fluid flow path; a brake chopper resistor in the resistor housing portion; a plurality of temperature sensors in thermal communication with different respective parts of the resistor cooling flow path through the resistor housing portion and configured to measure a first temperature at a first location in the cooling fluid flow path of the brake chopper resistor and to measure a second temperature at a second location in the cooling fluid flow path of the brake chopper resistor; and control logic, configured to compare the first temperature and/or the second temperature to a threshold value or to compare the first temperature with the second temperature, and to make a determination of whether to allow activation of the brake chopper resistor in response to the comparison with the threshold value.