Patents Assigned to Scania CV AB (publ)
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Publication number: 20240170786Abstract: A battery module for a vehicle is disclosed. The battery module comprises a casing configured to accommodate a number of battery cells and a mounting section configured to receive a fastening element for mounting the battery module to a further component of the vehicle. The battery module comprises a thermal insulation unit positioned between the casing and the mounting section. The present disclosure further relates to a battery pack for a vehicle and a vehicle comprising a battery pack.Type: ApplicationFiled: April 7, 2022Publication date: May 23, 2024Applicant: Scania CV ABInventors: Magdalena CEDERLÖF, Karolina LÄNTA, Alvaro SANCHEZ EXPOSITO, Adam ANDERSSON
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Publication number: 20240166257Abstract: A control device and method for controlling a tag axle steering system, configured to steer tag axle wheels of a tag axle, are provided. The method comprises, when the steering angle of the tag axle wheels is offset from a steering angle of a neutral position of the tag axle wheels and in response to a fault signal indicating malfunction of the tag axle steering system, locking the position of the tag axle wheels at a current steering angle of the tag axle wheels. A computer program and a computer-readable medium, as well as a vehicle, are also disclosed.Type: ApplicationFiled: March 23, 2022Publication date: May 23, 2024Applicant: Scania CV ABInventors: Lars SOLDAGG, Christofer ÖMAN
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Patent number: 11987268Abstract: A safety method, performed by a control device for a vehicle assembled from a set of modules, the vehicle including at least two modules, including at least one drive module and at least one functional module. The control device is in any of the at least two modules. The at least one drive module has a pair of wheels and is configured to be autonomously operated. The method includes detecting (s101) an emergency situation in any of the at least two modules of the assembled vehicle, transmitting (s102) information about the detected emergency situation to a control center and controlling (s103) the module associated with the emergency situation to physically disconnect from the assembled vehicle. Also to a computer program, a computer-readable medium, a control device and a vehicle are included.Type: GrantFiled: April 29, 2019Date of Patent: May 21, 2024Assignee: Scania CV ABInventors: André Claesson, Linus Ährlig, Robert Sjödin, Morgan Colling, Sami Teppola, Mikko Kallio, Tomas Skeppström
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Publication number: 20240162734Abstract: Provided is an electric battery junction arrangement for connecting an electric battery arrangement to one or more electrical loads. The electric battery arrangement comprising two or more electric battery cells and a control circuit comprising: (i) a first control circuit branch connectable to a positive side of the battery arrangement and a positive side of an electrical load; (ii) a second control circuit branch connectable to a negative side of the battery arrangement and a negative side of an electrical load; (iii) at least one semiconductor apparatus provided between and configured to control electric current between the battery arrangement and the loads; and (iv) a switching apparatus comprising at least one mechanical switch arranged in an electrical circuit connection between the first and the second control circuit branch for electrically connecting and disconnecting the first and the second control circuit branch to and from each other.Type: ApplicationFiled: March 8, 2022Publication date: May 16, 2024Applicant: Scania CV ABInventors: Michael VALLINDER, David RAYMAND, Johan HAGBERG, Daniel EKENBERG
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Publication number: 20240151171Abstract: A control device and a method for controlling an exhaust gas aftertreatment system comprising a diesel particulate filter is provided. The method comprises a step of, in response to a determination that a temperature of an exhaust gas entering the diesel particulate filter is equal to or below 325° C., controlling a NOx concentration of the exhaust gas entering the diesel particulate filter to be equal to or less than 600 ppm. An exhaust gas aftertreatment system as well as a vehicle comprising the control device are also described.Type: ApplicationFiled: January 20, 2022Publication date: May 9, 2024Applicant: Scania CV ABInventors: Björn WESTERBERG, Ulf NYLÉN, Astrid SIMOVITS
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Publication number: 20240149654Abstract: The invention relates to a battery box arrangement for a vehicle, the arrangement comprising: a battery box configured to comprise at least one electric battery; at least one elongated beam element connected to the battery box; and at least one vibration damping element configured for connecting the at least one elongated beam element to a chassis frame of the vehicle; wherein the at least one elongated beam element is configured to extend transverse to the chassis frame of the vehicle; wherein a first end part of the at least one elongated beam element is connected to a first battery box module of the battery box, and wherein a second end part of the at least one elongated beam element is connected to a second battery box module of the battery box.Type: ApplicationFiled: October 15, 2020Publication date: May 9, 2024Applicant: Scania CV ABInventors: Daniel Kvaldén, Julian Stemp, Erik Lock Andersson, Anders Johansson
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Publication number: 20240140302Abstract: The invention relates to a method, a control arrangement, and a control device for controlling a rear lamp in a vehicle. The rear lamp is operated in an emergency signal mode when it is determined that an emergency signal event has occurred and based on one or more first initiation pulses associated with the emergency signal event transmitted to the control device from the control arrangement, wherein a duration of each of the one or more first initiation pulses is shorter than a duration of an emergency feed pulse. The invention also relates to a rear lamp, a vehicle, a computer program, and a computer-readable medium.Type: ApplicationFiled: July 4, 2022Publication date: May 2, 2024Applicant: Scania CV ABInventors: Henrik PERSSON, Pierre RECORDON
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Patent number: 11970991Abstract: A method includes: initiating a low engine-out NOx (LEON) mode by controlling a component of a vehicle having an aftertreatment system to decrease an instantaneous engine-out NOx (EONOx) amount; comparing a temperature of the aftertreatment system during the LEON mode to a warm-operation threshold temperature; responsive to determining that the temperature of the aftertreatment system exceeds the warm-operation threshold temperature, disengaging the LEON mode; responsive to determining that the temperature of the aftertreatment system is below the warm-up operation threshold temperature, comparing information indicative of an operating status of the vehicle to a LEON exit threshold; and disengaging the LEON mode responsive to determining that the information indicative of the operating status of the vehicle during the LEON mode exceeds the LEON exit threshold.Type: GrantFiled: December 5, 2022Date of Patent: April 30, 2024Assignees: Cummins Inc., Scania CV ABInventors: Janardhan Kodavasal, Ved Merchant, Agneya Turlapati, Kristopher R. Bare
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Publication number: 20240128835Abstract: A stator for an electric machine is disclosed. The stator comprises a stator core comprising a number of stator slots extending through an axial end surface of the stator core and a number of wire windings arranged in the stator slots. The stator further comprises a sealing arranged against the axial end surface of the stator core such that the sealing covers at least a section of the axial end surface located radially inside the wire windings. The present disclosure further relates to an electric machine, a vehicle comprising an electric machine, and a method of assembling a stator for an electric machine.Type: ApplicationFiled: March 25, 2022Publication date: April 18, 2024Applicant: Scania CV ABInventors: Johannes NYBERG, Christian NESS, Mattias FORSLUND
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Patent number: 11944855Abstract: A fire extinguishing assistance system arranged in a modular vehicle, for assisting e.g. a fire extinguishing vehicle in extinguishing an ongoing or imminent fire in the modular vehicle. The modular vehicle comprises at least one drive module and a functional module that are releasably connected. The system comprises a plurality of ports accessible from the outside of the modular vehicle; wherein each port is configured for receiving a fire extinguishing agent from e.g. the fire extinguishing vehicle. The system also comprises an individual manifold connected to each port, wherein each is arranged to guide the fire extinguishing agent to at least one nozzle directed inside of the modular vehicle. The system further comprises a control device to detect an ongoing or imminent fire and configure at least one of the plurality of ports selected for receiving a fire extinguishing agent to assist in suppressing the ongoing or imminent fire.Type: GrantFiled: November 25, 2019Date of Patent: April 2, 2024Assignee: Scania CV ABInventors: Robert Sjödin, Pontus Svens, Morgan Colling, Sami Teppola, Mikko Kallio, Tomas Skeppström, Linus Ährlig, André Claesson
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Publication number: 20240067108Abstract: A method for a process of signal transmission between a plurality of electrical units, wherein the method comprises: electrically interconnecting the plurality of electrical units by way of a plurality of electrical junction blocks, each electrical junction block of the plurality of electrical junction blocks comprising one or more terminals. An arrangement for signal transmission between a plurality of electrical units, wherein the arrangement comprises a plurality of electrical junction blocks for electrically interconnecting the plurality of electrical units, and wherein each electrical junction block of the plurality of electrical junction blocks comprises one or more terminals.Type: ApplicationFiled: February 2, 2022Publication date: February 29, 2024Applicant: Scania CV ABInventor: Sandeep GUPTA
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Publication number: 20240072525Abstract: A busbar comprising two or three more sheet-shaped conductors, wherein said conductors overlap each other and define an elongated body having a central channel, and wherein the conductors are separated by an electric isolation, and wherein each conductor has a surface exposed to the channel, and wherein the area of said surface of each conductor is equal the area of said surface of each of the other conductors.Type: ApplicationFiled: January 21, 2022Publication date: February 29, 2024Applicant: Scania CV ABInventors: Christer ROOS, Oscar HÄLLMAN
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Publication number: 20240069114Abstract: A method for determining the association of a sensor device with a battery unit. A first circuit includes a first battery unit. A second circuit includes a second battery unit. An electric current limiting device connects the circuits to one another. A first sensor device detects a voltage or a current associated with one of the first and second battery units while a second sensor device detects a voltage or a current associated with the other one of the first and second battery units. The method includes activating an electrical energy consumer or an electrical energy producer of the first circuit, and upon detection of a voltage change or a current change by one of the first and second sensor devices, determining that the one of the first and second sensor devices which detects a voltage change or a current change is associated with the first battery unit.Type: ApplicationFiled: October 29, 2021Publication date: February 29, 2024Applicants: Scania CV AB, MAN Truck & Bus SEInventors: Gunnar LEDFELT, Per NORDVALL, Mathias EGGELING
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Publication number: 20240055953Abstract: An electric rotating machine comprising a stator, a rotor rotatable about an axis of rotation in relation to the stator, a rotor compartment holding the rotor, a fluid system for cooling one or more of the rotor and stator and a fluid-guiding member having a front and a back. The front of the fluid-guiding member faces the rotor compartment while the back of the fluid-guiding member faces away from the rotor compartment. The fluid-guiding member comprises a guide for guiding a fluid. The guide extends from the front of the fluid-guiding member toward the back of the fluid-guiding member. The guide is configured to guide a fluid from the front of the fluid-guiding member to the back of the fluid-guiding member upon rotation of the rotor to remove a fluid from the rotor compartment.Type: ApplicationFiled: March 28, 2022Publication date: February 15, 2024Applicant: Scania CV ABInventors: Elias BARTOS, Ove SPONTON, Håkan SETTERSJÖ, Usman AFRIDI
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Patent number: 11885257Abstract: A piston for an internal combustion engine is disclosed. The piston is configured to reciprocate along a centre axis of the piston during operation in an engine. The piston comprises a number of fuel directing surfaces arranged at a distance from a top surface of the piston measured along the centre axis. Each fuel directing surface is configured to direct a fuel spray sprayed onto the fuel directing surface. The fuel directing surfaces are arranged with gaps between two adjacent fuel directing surfaces. The present disclosure further relates to an engine comprising a piston and a vehicle comprising an internal combustion engine.Type: GrantFiled: May 25, 2021Date of Patent: January 30, 2024Assignee: Scania CV ABInventor: Daniel Norling
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Patent number: 11884275Abstract: The present invention relates to a method for controlling a vehicle in association with a descent, the vehicle having a powertrain comprising: a drive unit configured to provide propulsion power; an auxiliary brake device; and a first cooling circuit comprising a first coolant; wherein the drive unit and the auxiliary brake device are arranged to be selectively connected or disconnected with/from the first cooling circuit, wherein the drive unit has a first maximum temperature and the auxiliary brake device has a second maximum temperature higher than the first maximum temperature, the method comprising: controlling the drive unit to reduce the provided propulsion power when the vehicle is approaching an upcoming descent, which fulfils predetermined criteria; disconnecting the drive unit from the first cooling circuit; connecting the auxiliary brake device with the first cooling circuit; and controlling the auxiliary brake device to brake to vehicle down the descent.Type: GrantFiled: February 12, 2020Date of Patent: January 30, 2024Assignee: Scania CV ABInventor: Ola Hall
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Rotor arrangement, electric propulsion motor arrangement, vehicle, set of rotors for electric motors
Patent number: 11881743Abstract: A rotor arrangement for an electric motor is disclosed. The rotor arrangement comprises a first rotor comprising a hollow cylinder and a cylindrical rotor stack shrink-fitted onto the hollow cylinder. The first rotor comprises a first end plate attached to a first end portion of the hollow cylinder. The rotor arrangement further comprises a rotor shaft comprising a first shaft member and a second shaft member arranged coaxially to the first shaft member. The first shaft member is connected to a connection portion of the first end plate. The rotor arrangement comprises a second rotor connected to the second shaft member. The present disclosure further relates to an electric propulsion motor arrangement, a vehicle, and a set of rotors for electric motors.Type: GrantFiled: February 11, 2021Date of Patent: January 23, 2024Assignee: Scania CV ABInventors: Christian Ness, Stefan Karlsson, Christer Wallen, Jörgen Forsberg -
Patent number: 11873755Abstract: A piston for an internal combustion engine is disclosed. The piston comprises a number of fuel directing surfaces for directing a fuel spray sprayed onto the fuel directing surface. At least one of the fuel direction surfaces is/are inclined relative to a tangential direction of the piston. The present disclosure further relates to an engine comprising a piston and a vehicle comprising an internal combustion engine.Type: GrantFiled: May 25, 2021Date of Patent: January 16, 2024Assignee: Scania CV ABInventors: Daniel Norling, Elin Eriksson
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Publication number: 20240011428Abstract: The disclosure concerns a method and a control arrangement for controlling valve actuation of an ICE comprising an exhaust valve, an intake valve, and a turbo compressor. The method comprises and the control arrangement is configured to: limiting/limit valve actuation changes of the exhaust and intake valves based on compressor data including surge limit data for the turbo compressor and one or both of a current turbo compressor rotational speed and a current turbo compressor pressure ratio, to maintain a turbo compressor mass flow above a limit mass flow value.Type: ApplicationFiled: November 5, 2021Publication date: January 11, 2024Applicant: Scania CV ABInventors: Erik HÖCKERDAL, Stefan ORRLING, Oskar LEUFVEN, Erik LIND, John KROON
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Patent number: 11859528Abstract: The present disclosure relates to an exhaust gas aftertreatment system and method for controlling same. The exhaust gas aftertreatment system comprises: a reductant dosing device; a selective catalytic reduction device arranged downstream of the reductant dosing device; an ammonia slip catalyst arranged downstream of the SCR device; a feedback NOx sensor arranged downstream of the SCR device and upstream of the ammonia slip catalyst; a tailpipe NOx sensor arranged downstream of the ammonia slip catalyst; and a control device configured for: providing an initial dosing of reductant from the reductant dosing device; obtaining a feedback signal from the feedback NOx sensor and a tailpipe NOx signal from the tailpipe NOx sensor; and adjusting the dosing of reductant until the feedback signal exceeds the tailpipe NOx signal by a value within a predetermined positive interval.Type: GrantFiled: May 13, 2020Date of Patent: January 2, 2024Assignee: Scania CV ABInventors: Håkan Sarby, Christer Lundberg