Patents Assigned to Scania CV AB
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Patent number: 12379417Abstract: An arrangement for generating electric energy comprises an alternator having a rotor with a winding for being magnetized by an electric current fed therethrough and a stator with at least three stator windings for generation of three phase voltages therein upon rotation of the magnetized rotor in the stator. A rectifier has an input connected to the stator windings. Means is configured to measure the development over time of the difference of two of said phase voltages and an evaluation unit is configured to evaluate the result of this measurement to determine the functionality of the alternator. A control unit located remote to the alternator controls the rotor current.Type: GrantFiled: December 3, 2020Date of Patent: August 5, 2025Assignees: Scania CV AB, Prestolite Electric Ltd.Inventors: Holger Dreher, Markus Örn, Jeremy Stevens
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Publication number: 20250244465Abstract: The disclosure relates to a method to provide a movement information about at least one second vehicle by a first vehicle, comprising: capturing a radar information describing at least a part of an environment in which the at least one second vehicle is located at least at two consecutive points in time; determining a three-dimensional point cloud for each point in time; determining a relation information describing a translational and rotational relation between the point clouds; determining a movement information describing a movement of the at least one second vehicle; and providing the determined movement information. A radar system is disclosed that captures the radar information by using at least partially optical transmission techniques for radar system internal transmission of data and/or information between individual radar devices and a central processor of the radar system.Type: ApplicationFiled: January 29, 2025Publication date: July 31, 2025Applicants: Volkswagen Aktiengesellschaft, SCANIA CV ABInventors: Heiko KURZ, Thomas GISDER, Marc-Michael MEINECKE, Mikael JOHANSSON
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Publication number: 20250244463Abstract: The disclosure relates to a method to provide a movement information about at least one second vehicle by a first vehicle, comprising: capturing radar information describing at least a part of an environment of the first vehicle in which the at least one second vehicle is located, by a radar system of the first vehicle comprising multiple radar devices; determining a micro-Doppler information describing at least one micro-Doppler signature in the captured radar information; determining a movement information describing a movement of the at least one second vehicle; and providing the determined movement information. The radar system captures the radar information by using at least partially optical transmission techniques for radar system internal transmission of data between the individual radar devices and a central processor of the radar system.Type: ApplicationFiled: January 29, 2025Publication date: July 31, 2025Applicants: Volkswagen Aktiengesellschaft, SCANIA CV ABInventors: Heiko KURZ, Thomas GISDER, Marc-Michael MEINECKE, Mikael JOHANSSON
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Patent number: 12370968Abstract: A vehicle structure for impact protection, wherein the vehicle structure is attachable to a main body of a vehicle having a front end and a rear end, wherein the vehicle structure comprises a plurality of sections having a longitudinal extension extending in a longitudinal direction; and a front cover comprising a base. The section of the plurality of sections forms one or more longitudinal compartments. The sections of the plurality of sections are arranged beside one another so as to form a cellular structure. The base of the front cover is configured to be positioned between the front end of the vehicle and the plurality of sections. The front cover covers the plurality of sections and is configured to distribute impact energy to the plurality of sections. A vehicle comprising such a vehicle structure.Type: GrantFiled: December 16, 2022Date of Patent: July 29, 2025Assignee: Scania CV ABInventors: Olof Karlsson, Olle Alsing, Reimert Sjöblom, Cristofer Söderberg, Jonas Hagsjö, Martin Hede
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Publication number: 20250229785Abstract: A method of controlling operation of a vehicle is disclosed, wherein the vehicle comprises a propulsion system, wherein the method is performed by a control arrangement, and wherein the control arrangement is configured to operate the propulsion system in at least two modes of operation with differing energy conservation characteristics. The method comprises switching between the at least two modes of operation based on an obtained probability of a possible impending slowdown of a preceding vehicle. The present disclosure further relates to a computer program, a computer-readable medium, a control arrangement, and a vehicle.Type: ApplicationFiled: December 17, 2024Publication date: July 17, 2025Applicant: Scania CV ABInventors: Manne Held, Henrik Sandstedt
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Patent number: 12358486Abstract: A method is disclosed for changing an activation state of a power take-off (PTO) in a vehicle, where the activation state corresponds to either an activated state, where the PTO transfers a torque between the vehicle's power source for propelling the vehicle and an auxiliary load, or a deactivated state, where no torque is transferred by the PTO between the power source and the auxiliary load. The activation state of the PTO is changed by engaging or disengaging a clutch of the PTO. The method comprising, when the power source is connected to drive wheels of the vehicle, and the activation state of the PTO is to be changed, controlling the clutch to control a rate of change of torque transferred between the power source and the auxiliary load during the change of the activation state of the PTO based on at least one current operating condition of the vehicle.Type: GrantFiled: March 12, 2024Date of Patent: July 15, 2025Assignee: Scania CV ABInventors: Mikael Lindberg, Linus Stiernstedt
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Publication number: 20250222929Abstract: A method of controlling operation of a vehicle is disclosed, wherein the method is performed by a control arrangement, and wherein the vehicle comprises a propulsion system, wheel brakes, and an accelerator pedal. The method comprises, when an actuation state of the accelerator pedal is below a threshold state, controlling a braking power provided by at least one of the propulsion system and the wheel brakes based on map data representative of a road section on which the vehicle is/will be travelling. The present disclosure further relates to a computer program, a computer-readable medium, a control arrangement, and a vehicle.Type: ApplicationFiled: December 23, 2024Publication date: July 10, 2025Applicant: Scania CV ABInventors: Manne Held, Mikael Alenius, Oscar Flärdh
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Patent number: 12351072Abstract: A cooling system is disclosed for controlling the temperature of a battery within a temperature interval, the system comprising a chiller and a chiller line arranged in heat exchange with said chiller, a heat source and a high temperature line arranged in heat exchange with said heat source, a battery line arranged in heat exchange with the battery, a pump arranged to convey a cooling fluid in at least one of said lines, a condenser and a refrigeration circuit arranged in heat exchange with said condenser, wherein a working medium is arranged to, in operation, circulate in said refrigeration circuit, wherein a valve is arranged to selectively connect the chiller line into heat exchange with the battery line so as to provide cooling of the battery, and a valve is arranged to selectively connect the high temperature line for heat exchange with the battery line to heat the battery.Type: GrantFiled: September 27, 2019Date of Patent: July 8, 2025Assignee: Scania CV ABInventor: Ola Hall
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Publication number: 20250210776Abstract: A battery pack is disclosed configured to provide electricity to an electric propulsion motor of a vehicle. The battery pack comprises at least two layers of battery cells arranged inside a casing, and a battery junction compartment arranged outside of the casing. The battery junction compartment comprises a number of electrical connection arrangements electrically connecting battery cells of the at least two layers of battery cells. The present disclosure further relates to a vehicle comprising an electric propulsion motor and a battery pack configured to provide electricity to the electric propulsion motor.Type: ApplicationFiled: March 23, 2023Publication date: June 26, 2025Applicant: Scania CV ABInventors: Alexei TSYCHKOV, Robin HELLSING, Krister THOUR, Kenneth PERSSON
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Publication number: 20250206173Abstract: Provided is a control device and method for controlling charging of an energy storage device. The method comprises: determining a desired duration of charging the energy storage device to a target state of charge so as to minimize energy loss, when the determined desired duration of charging is equal to or longer than a predetermined minimum time threshold, determining a first charging current needed for reaching the target state of charge if charging for a period of time corresponding to the determined desired duration, when the determined first charging current is equal to or below a predetermined maximum charging current limit, selecting the determined first charging current and the determined desired duration of charging as parameters for the charging operation of the energy storage device, and charging the energy storage device using the selected parameters for the charging operation.Type: ApplicationFiled: March 22, 2023Publication date: June 26, 2025Applicant: Scania CV ABInventor: Hampus ANDERSSON
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Patent number: 12337720Abstract: A battery module comprising a plurality of battery cell units, each one comprising: a battery cell having a first pole and a second pole, and a switch circuit, comprising a plurality of switches, and a switch controller arranged to control the switches of the switch circuit to enter either of a first state, in which the battery cell is connected in parallel with a neighboring battery cell, and a second state, in which the battery cell is connected in series with a neighboring battery cell. The battery module is configured to control the switching between the first and second states on a probabilistic basis.Type: GrantFiled: December 8, 2020Date of Patent: June 24, 2025Assignee: Scania CV ABInventor: Henrik Svärd
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Publication number: 20250187493Abstract: The application relates to charging a maintenance battery pack of a vehicle, which also comprises a propulsion battery pack, comprising, when the vehicle is inactive: providing a predetermined threshold SOC/SOH1Threshold value when charging is activated and a predetermined threshold SOH2Threshold value when charging is terminated; continually measuring maintenance battery pack voltage, current, and temperature; calculating State Of Charge SOC, as number of ampere hours possible to discharge before the maintenance battery pack is discharged; calculating State of Health SOH, as number of ampere hours possible to discharge if the maintenance battery pack was fully charged; calculating a battery charge quota SOC/SOH; comparing SOC/SOH with the SOC/SOH1Threshold value; if SOC/SOH<SOC/SOH1Threshold, checking the condition of the propulsion battery pack, and if condition is satisfactory, activating the propulsion battery pack to charge the maintenance battery, comparing SOC/SOH with the SOC/SOH2Threshold value; aType: ApplicationFiled: March 22, 2023Publication date: June 12, 2025Applicant: Scania CV ABInventors: Per NORDVALL, Gunnar LEDFELT, Viktor NYMAN, Börje NILSSON
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Publication number: 20250191868Abstract: A bus bar current interruption device comprising a casing, providing an enclosure, and a bus bar arrangement. The bus bar arrangement is arranged to extend through the enclosure and comprises a first terminal end portion and a second terminal end portion, each of said first and second terminal end portions arranged outside of the casing. The bus bar arrangement further comprised a first fuse portion and a second fuse portion arranged in the enclosure. The casing comprises an exhaust opening configured to allow escape of vapor from the enclosure. The exhaust opening is fluidly connected to an exhaust chamber or conduit formed by the casing or attached to the casing.Type: ApplicationFiled: February 28, 2023Publication date: June 12, 2025Applicant: Scania CV ABInventors: Carl TENGSTEDT, Ulf NYLÉN, Ganesh KUMAR, Linus NILSSON, Adam SOBKOWIAK, Andreas PETTERSSON, Zahra BESHARAT
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Publication number: 20250172194Abstract: The disclosure concerns a transmission comprising an input shaft, an output shaft, and a planetary gearset. The planetary gearset comprises a sun gear connected to the input shaft, a ring gear that is axially movable, and at least one planet gear rotatably supported on a planet gear carrier that is connected to the output shaft. The transmission comprises a coupling disc connected to the input shaft, an axially moveable coupling sleeve, and a synchronizer ring arranged between the coupling sleeve and the ring gear. The synchronizer ring is configured to transfer an axial motion of the ring gear in a first direction towards the coupling sleeve and the coupling disc. The coupling sleeve is moveable into an engaged position with the coupling disc at least in part by the synchronizer ring.Type: ApplicationFiled: March 13, 2023Publication date: May 29, 2025Applicant: Scania CV ABInventors: Peer NORBERG, Gustav GÖRANSSON, Paolo FORNASERI, Per ARNELÖF
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Patent number: 12296815Abstract: The invention relates to a method, performed by a control device, for driving at least one power consumer connected to a powertrain of a vehicle. The at least one propulsion unit comprises a first electrical machine and a second electrical machine, wherein the first electrical machine is connected to a first main shaft and the second electrical machine is connected to a second main shaft. A connection shaft is connected to the first electrical machine; and the at least one power consumer comprises a first power consumer connected to the first main shaft and/or a second power consumer connected to the connection shaft.Type: GrantFiled: October 27, 2020Date of Patent: May 13, 2025Assignee: Scania CV ABInventors: Mathias Björkman, Niklas Pettersson, Fredrik Sundén, Mikael Bergquist, Johan Lindström
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Publication number: 20250149910Abstract: The present application relates to a power supply circuit of a vehicle, which power supply circuit comprises a first side (A) comprising a power source (14), a first battery pack (12) and first power consumers (16), a second side (B) connected in series with the first side (A), the second side (B) comprising a second battery pack (18) and second power consumers (20), an overload current breaker (22) provided between the first and the second side, said overload current breaker (22) having a pre-determined threshold breaking current (IThreshold) value, at which value the circuit is broken; a controller (24) connected to said power source for regulating voltage from said power source (14), the controller (24) being provided with said threshold breaking current (IThreshold) value, the controller further being operatively connected to devices (26, 28) providing information related to a current (Ich) through said overload current breaker (22).Type: ApplicationFiled: February 16, 2023Publication date: May 8, 2025Applicants: SCANIA CV AB, MAN TRUCK & BUS SEInventors: Gunnar Ledfelt, Lukas Rydén, Mathias Eggeling
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Publication number: 20250136073Abstract: A method of controlling operation of a vehicle is disclosed, wherein the vehicle comprises an auxiliary braking system and a number of wheel axles each comprising wheels and wheel brakes controllable to brake the wheels, and wherein one or more of the number of wheel axles is a liftable wheel axle. The method comprises the step of controlling at least one of the one or more liftable wheel axles from a lifted position to a lowered position if the at least one liftable wheel axle is in the lifted position and a ratio between an estimated braking capacity of the auxiliary braking system and a current or impending braking need of the vehicle is below a first threshold ratio. The present disclosure further relates to a computer program, a computer-readable medium, a control arrangement, and a vehicle.Type: ApplicationFiled: October 16, 2024Publication date: May 1, 2025Applicant: Scania CV ABInventors: Daniel Ståhl, Martin Berglund, Jan Dellrud, Karl Vestgöte, Magnus Carlgren
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Publication number: 20250136076Abstract: A control arrangement and a method for deactivating an adaptive cruise control system. The method comprises, in response to a determination of risk of loss of functionality of the adaptive cruise control system while the host vehicle is decelerated by the adaptive cruise control system, determining whether the host vehicle may be braked by the service brake system; and, if so, activating a first failure mode during which the adaptive cruise control system is maintained active to decelerate the host vehicle until a deceleration demand is below a predetermined threshold. The method further comprises, when the deceleration demand is below the predetermined threshold, either ramping down the braking demanded by the adaptive cruise control system over a predetermined period of time and thereafter deactivating the adaptive cruise control system, or directly deactivating the adaptive cruise control system.Type: ApplicationFiled: October 10, 2024Publication date: May 1, 2025Applicant: Scania CV ABInventors: Alexander Stamp, David Karlsson
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Patent number: 12286937Abstract: A method of controlling inlet valves and exhaust valves of a cylinder of an internal combustion engine to obtain an engine braking effect is disclosed. The method comprises the steps of preventing at least one exhaust valve of the cylinder from closing completely during a plurality of successive intake, compression, expansion, and exhaust strokes of the cylinder, phase shifting control of at least one exhaust valve and regulating the amount of air being pumped through the cylinder by phase shifting control of at least one inlet valve of the cylinder. The present disclosure further relates to a computer program, a computer-readable medium, a control arrangement, an internal combustion engine, and a vehicle comprising an internal combustion engine.Type: GrantFiled: May 23, 2022Date of Patent: April 29, 2025Assignee: Scania CV ABInventors: Hans Göransson, Henrik Andersson, Pontus Johansson, Joakim Rodebäck, Andreas Dahl, Erik Höckerdal, Bengt Anderberg
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Patent number: 12286007Abstract: A vehicle thermal management system is disclosed comprising a first and a second coolant circuit each comprising a coolant pump. The first coolant circuit comprises a coolant duct configured to conduct coolant flow through a portion of the first coolant circuit, and an expansion tank connected to the coolant duct. The system further comprises a first connecting conduit connecting the second coolant circuit to the coolant duct, and valve controllable between a first state in which the valve hinders flow of fluid through the first connecting conduit, and a second state in which the valve allows flow of fluid through the first connecting conduit. The present disclosure further relates to a vehicle comprising a vehicle thermal management system.Type: GrantFiled: April 26, 2021Date of Patent: April 29, 2025Assignee: Scania CV ABInventors: Ola Hall, Martin Mohlin