Abstract: An exhaust pipe arrangement for discharging exhaust from a combustion engine through an exhaust pipe is provided, particularly for a combustion engine with an exhaust gas aftertreatment system requiring high temperatures in one or more operational modes. The arrangement includes an end section terminated by an exhaust gas outlet. A diffuser section is provided in the exhaust pipe, the diffuser section having a first end in a distance from the outlet and a second end closer to the outlet is arranged in vicinity of the outlet, wherein at least one vane with an airfoil profile extends in an axial direction from the first end to the second end of the diffuser section.

Abstract: A method for optimised launch of a vehicle is provided wherein a driveline of the vehicle at least includes an engine, an automatic transmission, a system for exhaust gas recirculation, which are controlled by a driveline management system, wherein the management system is able to determine the mass of the vehicle, and whereby a launching, gear of the transmission is calculated dependent at least on the determined mass of the vehicle, whereby a launching gear is chosen dependent of the power loss caused by the EGR and wherein the power loss caused by the EGR is determined, the available power to launch the vehicle is determined, and the launching gear is recalculated dependent of the available power, and selecting said recalculated launching gear before launch of the vehicle, launch the vehicle with the recalculated launching gear.

Abstract: A method and device are provided for controlling a vehicle cruise control in a vehicle, the method including registering a starting point and an end destination for a possible traveling route of the vehicle, registering a desired traveling time for the traveling route, calculating and setting limits for parameters of the cruise control in order to arrive at the end destination on the desired traveling time with as low fuel consumption as possible.

Abstract: Method to control a drivetrain of a vehicle, wherein the vehicle is provided with a vibration sensor and a system for calculating the mass of the vehicle during driving, and where a starting gear of the transmission is automatically chosen dependent on the calculated mass of the vehicle. The method chooses a lower starting gear than the during, driving calculated mass has indicated if the vibration sensor has registered a vibration of the vehicle at stand still.

Abstract: A method is provided for controlling an exhaust gas temperature of an engine of a vehicle during interruption of fuel supply to the engine, wherein the engine drives a driveline of the vehicle. The method involves alternating between two or more operational modes, wherein at least one of the operational modes maintains a higher exhaust temperature than the one or more other operational modes.

Abstract: In a method and an arrangement for powering up a DC distribution system in a hybrid vehicle power train, the power train includes an electric storage system, an internal combustion engine, an electric motor/generator, a clutch device to connect the electric motor/generator to the internal combustion engine, a power electronics unit with a voltage regulator connected to the electric motor/generator, and an electronic control unit for controlling the power train. The electric storage system and the electric motor/generator are connectable to one or more electrical loads for driving the vehicle.

Abstract: A torque measuring system is provided in a vehicle transmission including a clutch assembly having a two part, rotatable torque transmitting member, the two pans of the member being angularly movable relative to one another against the compression of at least one damper spring pack, and an actuator with a non rotatable cylinder for controlling the clutch. A device for radiating and receiving wave energy is arranged to irradiate the damper spring pack in order to receive a reflected modulation signal proportional to the current resonance frequency of the damper spring pack, and where the modulation signal is arranged to be converted to a torque value by a signal processing device, which torque value corresponds to the actual torque over the clutch.

Abstract: A method and a vehicle transmission for selecting a starting gear in a vehicle are provided, the method including steps of measuring a starting gear selection parameter, and selecting a starting gear for the next coming vehicle take-off in dependence of the measured starting gear selection parameter, wherein the starting gear selection parameter is the number of vehicle take offs per time unit. Additionally the parameter can be acceleration in movement of an accelerator pedal being depressed by a driver, accelerator pedal position and clutch wear. Benefits are increased clutch endurance for a vehicle that during at least a period has to perform frequent take-offs and at the same time enhancing take-off comfort for a vehicle that during at least a period goes long-distance.

Abstract: A cruise control arrangement for a vehicle includes a cruise control speed function, a cruise control brake function and at least one selectable economy level, having a set maximum speed value corresponding to a maximum allowed vehicle speed, a set brake speed value corresponding to a brake cruise speed and a set cruise speed value corresponding to a cruise speed, where a temporary brake speed value replaces the set brake speed value as the actually used brake speed value, and where the temporary brake speed value is dependent on the selected economy level. The behaviour of the cruise control of a vehicle can be adapted to take account of economy, which makes it possible to optimize the fuel consumption of the vehicle.

Abstract: An arrangement for storing a data set in an ECU in a vehicle control system, wherein the arrangement includes a computer connected to the vehicle, where the computer is adapted to execute an access application, where the access application includes vehicle specific information and service action specific information, and where the information is encrypted, where the arrangement is adapted to decrypt the vehicle specific information and the service action specific information, to unlock the vehicle ECU by sending a password from the computer to the ECU, to perform a service action by storing service action specific information in the ECU, to lock the ECU by sending a lock command to the ECU from the computer, and to corrupt the access application software such that it cannot be used again.

Abstract: A method is provided for controlling an engine to allow a driver to obtain a working range of the engine in excess a base working range thereof.

Abstract: A multi-clutch transmission for a motor vehicle with a prime mover has a main transmission, a range section and an output shaft, the main transmission including one input shaft, a main shaft and a main countershaft, the main shaft being rotationally fixed with a range input shaft of the range section, the range section including a range main shaft that is rotationally fixed with the output shaft, a range countershaft, range gearwheels that can selectively transfer power from the range input member to the range countershaft and on to the range main shaft, and range clutches, the multi-clutch transmission including a by-passing torque path in which power can be transferred when the range section is shifted, and where the by-passing torque path includes a by-passing clutch that selectively can rotationally lock the main countershaft to the range countershaft.

Abstract: A method for increasing active duration time of an automatic freewheeling function in a vehicle with cruise control and during a cruise control active period is provided. The function includes an arrangement for determining a vehicle set speed (Vset speed) for when the function is allowed to be activated and arrangement for calculating a predetermined allowable vehicle speed drop to a first under speed value (Vunderspeed) below the vehicle set speed (Vset speed). The function is controlled based on said under speed value, in order to extend active duration time of the function.

Abstract: An arrangement for adapting a cruise control system in a vehicle includes a cruise control modifier unit connected to a cruise control system, where the cruise control modifier unit includes a position input arrangement adapted to receive actual position information from a position source, a map input arrangement adapted to receive road information from a map database for a predefined section ahead of the vehicle, where the arrangement is adapted to modify cruise control parameters for a road section within the predefined section depending on the received position and map information. Behavior of the cruise control of a vehicle can be adapted to upcoming road profile changes, which makes it possible to optimize the fuel consumption of the vehicle.

Abstract: A method is provided for combining sensor data collected by at least two sensors coupled to at least one application, wherein at least one of the sensors provides driver-related sensor data of a driver-related behavior and at least one external sensor provides sensor date not related to driver-related behavior. The sensor data of the at least two sensors are combined as the respective measurement errors of the data are uncorrelated in time with respect to the at least one application.

Abstract: A cooling structure for an internal combustion engine piston is provided. The piston includes an oil cooling channel integrated in the piston. The oil cooling channel has a bottom surface facing towards a top surface of the piston and a top surface facing away from the top surface of the piston. The oil cooling channel is provided with an oil inlet and an oil outlet which are laterally separated from each other. The bottom surface and/or the top surface of the oil cooling channel is slanted relative to a central axis of a wrist pin opening provided in said piston.

Abstract: A method for increasing active duration time of an automatic freewheeling function in a vehicle with cruise control and during a cruise control active period is provided. The function includes an arrangement for determining a vehicle set speed (Vset speed) for when the function is allowed to be activated and means for calculating a predetermined allowable vehicle speed drop to a first under speed value (Vunderspeed) below the vehicle set speed (Vset speed). The function is controlled based on said under speed value, in order to extend active duration time of the function.

Abstract: A multi-ratio gearbox housing for a vehicle is made of light metal material and includes a first bearing seat having a cylindrical inner surface, and a reinforcement member having a first cylindrical inner surface surrounding the first bearing seat for reducing thermal radial expansion of the first bearing seat, the reinforcement member being of a material the coefficient of thermal expansion of which is less than the coefficient of thermal expansion of the light metal material of the housing. The reinforcing member is a cast-in insert arranged in the housing, and a radial distance between the first cylindrical inner surface and the cylindrical inner surface of the first bearing seat is substantially constant along circumferential lines of the first bearing seat, facilitating improved form stability of the cylindrical inner surface of the first bearing seat over the temperature operating range of the housing.

Abstract: A method for identifying locations of one or more modules of an apparatus implemented in a vehicle for monitoring operation of at least one wheel of the vehicle includes steps of (a) communicating with one or more modules of the apparatus for receiving their identification codes at a processing arrangement of the apparatus, the one or more modules being mounted on at least one wheel of the vehicle; (b) driving the vehicle around a curved trajectory as sensed by the steering sensing arrangement and recording a direction of steering of the vehicle together with a temporal record of the physical parameter measured by the one or more modules together with their corresponding identification codes, the physical parameter pertaining to one or more tires of the at least one wheel; and (c) applying an analysis to the steering direction and the temporal record in respect of time to identify where the one or more modules are located on the at least one wheel of the vehicle, the analysis utilizing a characteristic that t

Abstract: A method is provided for verifying an engine torque estimation and includes estimating the engine torque based on the amount of fuel injected into the engine, where the engine torque is obtained from a fuel injection table, estimating a first vehicle weight value by a calculation based on acceleration of the vehicle and the estimated engine torque, estimating an auxiliary brake torque by using an auxiliary brake table, estimating a second vehicle weight value by a calculation based on the estimated auxiliary brake torque, and comparing the first vehicle weight value with the second vehicle weight value. The method facilitates detecting if an actual engine torque value deviates from the original engine torque value of a vehicle without measuring the engine torque with a separate torque sensor.