Abstract: A drive system and a method of driving a vehicle (1): A combustion engine (2) has an output shaft (2a) which is connected to a first component (10) of a planetary gear, a gear box (3) with an input shaft (3a) which is connected to a second component (12) of the planetary gear and an electric machine is connected to a third component (11) of the planetary gear. An electric circuit (21) with a resistor (22) and an electric switch (23) with which the electric machine (9) is connectable to the electric circuit (21) and the resistor (22) during at least a starting process of the vehicle (1).

Abstract: An arrangement for ensuring the functioning of a brake configuration for a vehicle with a multiplicity of wheels which are arranged on a front axle and at least one rear axle and which support the vehicle. The brake configuration incorporates at least two brake devices, each to act upon one of the wheels, and a brake control with which the brake devices can be activated with a total brake action. A memory stores at least one value of a parameter for the brake devices. The parameter relates to at least one previous braking operation performed by the respective brake device. A control unit distributes the brake action to the brake devices, taking into account the value of the parameter of the respective brake devices when the brake control is actuated. The brake devices are disc brakes.

Abstract: An indicating instrument intended to be fitted in a vehicle and serve for vehicle speed indication (in km/h). The instrument has an instrument panel with a seed scale and a needle pointer which indicates the speed of the vehicle fitted with the instrument panel also incorporates an illuminable indicating area which is composed of firable/extinguishable light emitting means and which varies in extent depending on at least two different speed values, one of which is a speed relating to the vehicle fitted with the instrument and other is a speed pertaining to another vehicle. The indicating area has at least two separate demarcating edges which form indicating delineations with respect to the speed scale on the instrument panel.

Abstract: An indicating instrument intended to be fitted in a vehicle and serve for vehicle speed indication (in km/h). The instrument has an instrument panel with a seed scale and a needle pointer which indicates the speed of the vehicle fitted with the instrument panel also incorporates an illuminable indicating area which is composed of firable/extinguishable light emitting means and which varies in extent depending on at least two different speed values, one of which is a speed relating to the vehicle fitted with the instrument and other is a speed pertaining to another vehicle. The indicating area has at least two separate demarcating edges which form indicating delineations with respect to the speed scale on the instrument panel.

Abstract: The invention relates to a device for controlling a braking arrangement on a heavy vehicle. The braking arrangement comprises a main brake, which includes braking devices (1a -f), for example disc brakes, that are each arranged to act on one of the vehicle wheels (2a-f). Furthermore, the braking arrangement comprises at least one auxiliary brake (3) and a brake control (10) with which the named main brake (1a-f) and auxiliary brake (3) are activated. When a driver activates the brake control (10), a control unit (9) in the arrangement is arranged to initiate activation of the main brakes (1a-f) and the auxiliary brake (3) and thus distributes the braking effect between these brakes in such a way that the braking effect requested by the driver is obtained in the shortest possible time and in such a way that the use of the brake devices (1a-f) of the main brake is minimised after an initial period. The invention relates to a braking system for a heavy vehicle, which comprises an arrangement described above.

Abstract: The invention relates to an arrangement for a vehicle which incorporates powered wheels (1a-b) arranged on a first axle, unpowered wheels (1c-d) arranged on at least one second axle, an engine unit for the vehicle's propulsion and a brake configuration which includes brake devices which are wheels. The arrangement is designed to estimate the level of friction between the vehicle's wheels and running surfaces.

Abstract: The invention relates to an arrangement (11) for ensuring the functionning of a brake configuration for a vehicle with a multiplicity of wheels which are arranged with reference to a front axle and at least one rear axle and which support the vehicle, the brake configuration incorporating at least two brake devices (5a-f), each of them designed to act upon one of said wheels, and a brake control (12) with which the brake devices (5a-f) can be activated with a total brake action. The arrangement (11) incorporates a memory unit (14) designed to store at least one value of a parameter for said brake devices, said parameter relating to at least one previous braking operation performed by the respective brake device (5a-f), and a control unit (13) designed to distribute said brake action to said brake devices (5a-f), taking into account the value of said parameter of the respective brake devices (5a-f) when the brake control (12) is actuated.

Abstract: The arrangement relates to an arrangement for a vehicle (1) which incorporates a framework which itself incorporates a front pair of wheels with a braking configuration for each wheel and also a rear pair of wheels with a braking configuration for each wheel. The tractor vehicle is designed to haul a trailer by means of a towing device. There is a detector for the value of a parameter of the rear pair of wheels. A control unit designed to control the braking action of the braking configurations of the front pair of wheels on the basis of the value of the parameter.