Patents by Inventor Kristoffer Nilsson
Kristoffer Nilsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11912242Abstract: A rack system for a main motor vehicle, comprising: a rack unit mountable to a rear side of the main motor vehicle, wherein the rack unit is configured to carry at least one electric auxiliary vehicle comprising at least one battery unit to power the electric auxiliary vehicle; an electric charging unit configured to electrically charge the battery unit of the at least one electric auxiliary vehicle with more than 12 Volts; wherein the electric charging unit is arranged at the rack unit.Type: GrantFiled: April 1, 2021Date of Patent: February 27, 2024Assignee: VOLVO CAR CORPORATIONInventors: Kristoffer Andersson, Jan Nilsson
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Publication number: 20230012982Abstract: A braking system for a heavy duty vehicle includes a first brake controller arranged to control braking on a front axle left wheel, and a second brake controller arranged to control braking on a front axle right wheel. The first and second brake controllers are connected by a back-up connection arranged to allow one of the first and the second brake controller to assume braking control of the wheel of the other of the first and the second brake controller. The first and second brake controllers are arranged as fail-operational brake controllers. A third brake controller is arranged to control braking on a first rear axle left wheel, and a fourth brake controller is arranged to control braking on a first rear axle right wheel. The third and the fourth brake controllers are arranged to place respective rear axle left and right wheels in an unbraked state in response to failure. The third and fourth brake controllers are arranged as fail-silent brake controllers.Type: ApplicationFiled: December 10, 2019Publication date: January 19, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Leo LAINE, Leon HENDERSON, Christian OSCARSSON, Edo DRENTH, Kristoffer NILSSON
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Patent number: 11541723Abstract: The present invention concerns a method of thermal management of a transmission of an axle (4) of an electrical vehicle and a circuit used for the method. The circuit comprises a coolant pump (1), one or more on-board units, a three way valve (5) and the axle (4), which axle (4) comprises a transmission. Coolant of a cooling system of the vehicle is made to pass the on-board units to pick up heat losses. The on-board units may be power electronics (2), an electrical machine (3), a battery and/or an on-board charger.Type: GrantFiled: January 3, 2017Date of Patent: January 3, 2023Assignee: BorgWarner Sweden ABInventor: Kristoffer Nilsson
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Patent number: 11293536Abstract: A torque vectoring device for a vehicle is provided, comprising an electrical motor (110) being connected to a differential mechanism (20) via a first planetary gear set (120) and a second planetary gear set (130), said planetary gear sets (120, 130) sharing a common ring wheel (126), wherein the first planetary gear set (120) is connecting the electrical motor (110) to a cage (22) of the differential (20), and the second planetary gear set (130) is connecting the electrical motor (110) to an output shaft (24), and wherein the rotational axis (R) of the first planetary gear set (120) and the second planetary gear set (130) is arranged remote from the output shaft (24).Type: GrantFiled: September 21, 2018Date of Patent: April 5, 2022Assignee: BorgWarner Sweden ABInventor: Kristoffer Nilsson
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Patent number: 11034232Abstract: A vehicle driveline system for a vehicle is provided. The system comprises a differential having a differential housing connectable to an engine via a pinion, and two output shafts being connectable with respective wheel axles, and an electrical motor being selectively connected to the differential housing. The differential housing extends into a hollow shaft having a radial protrusion provided with engagement means, such as splines, for connecting with a shifting sleeve, wherein said shifting sleeve is configured to be actuated for connecting the electrical motor to said differential housing.Type: GrantFiled: April 13, 2017Date of Patent: June 15, 2021Inventor: Kristoffer Nilsson
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Publication number: 20210036567Abstract: An electrical motoris provided, comprising a rotor (2), a stator (3), and a housing (4) enclosing the rotor (2) and the stator (3). The stator (3) comprises at least one end turn connection device (6) arranged on one axial end thereof, and a plurality of hollow winding pins (5) extending through the at least one end turn connection device (6).Type: ApplicationFiled: January 25, 2019Publication date: February 4, 2021Inventor: Kristoffer Nilsson
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Publication number: 20200278014Abstract: A torque vectoring device for a vehicle is provided, comprising an electrical motor (110) being connected to a differential mechanism (20) via a first planetary gear set (120) and a second planetary gear set (130), said planetary gear sets (120, 130) sharing a common ring wheel (126), wherein the first planetary gear set (120) is connecting the electrical motor (110) to a cage (22) of the differential (20), and the second planetary gear set (130) is connecting the electrical motor (110) to an output shaft (24), and wherein the rotational axis (R) of the first planetary gear set (120) and the second planetary gear set (130) is arranged remote from the output shaft (24).Type: ApplicationFiled: September 21, 2018Publication date: September 3, 2020Inventor: KRISTOFFER NILSSON
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Patent number: 10738859Abstract: A vehicle driveline system for a vehicle is provided. The system comprises a differential (110) having two output shafts (111,112) being connectable with respective wheel shafts, a primary electrical motor (121) being connected with a driving input (117) of the differential (110) via a first reduction gearing (130), said first reduction gearing (130) being connected to a secondary electrical motor (122) for adjusting the gear ratio of the first reduction gearing (130); whereby the secondary electrical motor (122) is connected to a clutch arrangement (150) configured to selectively lock the gear ratio of the first reduction gearing (130).Type: GrantFiled: November 24, 2016Date of Patent: August 11, 2020Assignee: BORGWARNER SWEDEN ABInventors: Henrik Nilsson, Warren Bates, Kristoffer Nilsson
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Patent number: 10703184Abstract: A hydraulic system (10) for a vehicle is provided. The hydraulic system comprises a shifting mechanism (20) and a pump assembly (30) configured to provide pressurized fluid to said shifting mechanism (20), and an electrical motor (40). The movement of the shifting mechanism (20) controls a valve function which serves to open a connection from the pump assembly (30) to the electrical motor (40).Type: GrantFiled: September 21, 2015Date of Patent: July 7, 2020Assignee: BorgWarner Sweden ABInventors: Kristoffer Nilsson, Henrik Nilsson, Gustaf Lagunoff, Mikael Tiainen, Johan Nilsson
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Patent number: 10465779Abstract: An electrical axle comprising an electrical motor selectively connected to a differential via a reduction gear and a planetary gear set, the planetary gear set having one input and two outputs, the electrical axle further comprises a gear shift mechanism configured to selectively connect a differential housing to one of the outputs.Type: GrantFiled: April 1, 2016Date of Patent: November 5, 2019Assignee: BorgWarner Sweden ABInventor: Kristoffer Nilsson
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Publication number: 20190283566Abstract: A vehicle driveline system for a vehicle, said system comprising a differential (100) having a differential housing (106) connectable to an engine via a pinion (103), and two output shafts (111, 112) being connectable with respective wheel axles, and an electrical motor (180) being selectively connected to the differential housing (106). Said differential housing (106) extends into a hollow shaft (113) and the differential housing (106) comprises an outer gearing (104) configured to mesh with the pinion (103) and an inner gearing (107) being connected with the output shafts (111, 112). The vehicle driveline system further comprises a first reduction gearing (160) connected to the hollow shaft (113) and an actuator arrangement (190) arranged between the differential housing (106) and the first reduction gearing (160).Type: ApplicationFiled: November 14, 2017Publication date: September 19, 2019Inventor: KRISTOFFER NILSSON
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Patent number: 10408284Abstract: A hydraulic system including a hydraulically actuated clutch, a hydraulically actuated shifting piston, and a pressure source for actuating the clutch as well as the shifting piston. The movement of the shifting piston also controls a valve function which serves to open a connection from the pressure source to the clutch only when the shifting piston has reached one of its end positions.Type: GrantFiled: January 31, 2015Date of Patent: September 10, 2019Assignee: BorgWarner Sweden ABInventors: Kristoffer Nilsson, Bo Lundstrom, Per-Olof Davidsson, Gustaf Lagunoff
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Publication number: 20190168603Abstract: A vehicle driveline system for a vehicle is provided. The system comprises a differential having a differential housing connectable to an engine via a pinion, and two output shafts being connectable with respective wheel axles, and an electrical motor being selectively connected to the differential housing. The differential housing extends into a hollow shaft having a radial protrusion provided with engagement means, such as splines, for connecting with a shifting sleeve, wherein said shifting sleeve is configured to be actuated for connecting the electrical motor to said differential housing.Type: ApplicationFiled: April 13, 2017Publication date: June 6, 2019Inventor: Kristoffer Nilsson
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Publication number: 20190160914Abstract: The present invention concerns a method of thermal management of a transmission of an axle (4) of an electrical vehicle and a circuit used for the method. The circuit comprises a coolant pump (1), one or more on-board units, a three way valve (5) and the axle (4), which axle (4) comprises a transmission. Coolant of a cooling system of the vehicle is made to pass the on-board units to pick up heat losses. The on-board units may be power electronics (2), an electrical machine (3), a battery and/or an on-board charger.Type: ApplicationFiled: January 3, 2017Publication date: May 30, 2019Inventor: KRISTOFFER NILSSON
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Publication number: 20190118640Abstract: A vehicle driveline system for a vehicle is provided. The system comprises a pinion (10) configured to provide driving torque to a differential (20), and an electrical motor (30) being connected to the pinion (10) via a reduction gearing (40).Type: ApplicationFiled: April 13, 2017Publication date: April 25, 2019Inventor: Kristoffer Nilsson
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Publication number: 20180340595Abstract: A vehicle driveline system for a vehicle is provided. The system comprises a differential (110) having two output shafts (111,112) being connectable with respective wheel shafts, a primary electrical motor (121) being connected with a driving input (117) of the differential (110) via a first reduction gearing (130), said first reduction gearing (130) being connected to a secondary electrical motor (122) for adjusting the gear ratio of the first reduction gearing (130); whereby the secondary electrical motor (122) is connected to a clutch arrangement (150) configured to selectively lock the gear ratio of the first reduction gearing (130).Type: ApplicationFiled: November 24, 2016Publication date: November 29, 2018Inventors: Henrik NILSSON, WARREN BATES, KRISTOFFER NILSSON
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Patent number: 10030755Abstract: A torque vectoring device for a vehicle is provided, comprising an electrical motor (110) being connected to a differential mechanism (20) via a transmission (120), wherein the torque vectoring device further comprises at least one control means (130, 150) for changing the torque path of the transmission (120) between a first mode, in which the transmission connects the electrical motor (110) to the input shaft of the differential mechanism (20) for hybrid drive mode, and a second mode, in which the transmission connects the electrical motor (110) to the output shaft of the differential mechanism (20) for torque vectoring mode.Type: GrantFiled: May 6, 2015Date of Patent: July 24, 2018Assignee: BorgWarner TorqTransfer Systems ABInventors: Lars Severinsson, Kristoffer Nilsson, Gustaf Lagunoff
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Publication number: 20180080536Abstract: An electrical axle is provided. The electrical axle comprises an electrical motor (40) which is selectively connected to a differential (30) via a reduction gear (50) and a planetary gear set (60), said planetary gear set (60) having one input (66) and two outputs (64, 66), The electrical axle (20) further comprises a gear shift mechanism (70) configured to selectively connect a differential housing (32) to one of said outputs (66, 64).Type: ApplicationFiled: April 1, 2016Publication date: March 22, 2018Inventor: Kristoffer NILSSON
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Patent number: 9831865Abstract: A method for controlling a first and a second reverse-conducting insulated gate bipolar transistor (RC-IGBT), electrically connected in series, is disclosed. A collector of the first RC-IGBT is electrically connected to a positive pole of a direct current voltage source, and an emitter of the second RC-IGBT is electrically connected to a negative pole of the DC voltage source. Further, an emitter of the first RC-IGBT is electrically connected to a collector of the second RC-IGBT to form an alternating current terminal. A gate voltage is applied to respective gates of the first and second RC-IGBTs, wherein the gate voltage is controlled based on a magnitude and a direction of an output current on the AC terminal and on a command signal alternating between a first and a second value.Type: GrantFiled: April 5, 2013Date of Patent: November 28, 2017Assignee: ABB SCHWEIZ AGInventors: Annika Lokrantz, Kristoffer Nilsson, Ying Jiang-Häfner, Christer Sjöberg, Lars Döfnäs, Wim Van-Der-Merwe
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Publication number: 20170291481Abstract: A hydraulic system (10) for a vehicle is provided. The hydraulic system comprises a shifting mechanism (20) and a pump assembly (30) configured to provide pressurized fluid to said shifting mechanism (20), and an electrical motor (40). The movement of the shifting mechanism (20) controls a valve function which serves to open a connection from the pump assembly (30) to the electrical motor (40).Type: ApplicationFiled: September 21, 2015Publication date: October 12, 2017Inventors: KRISTOFFER NILSSON, HENRIK NILSSON, GUSTAF LAGUNOFF, MIKAEL TIAINEN, JOHAN NILSSON