Patents by Inventor Johan FOLKESSON
Johan FOLKESSON 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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Publication number: 20260097646Abstract: A transmission arrangement for a vehicle has an input component drivingly connected to an electric motor, a first planetary gear system, a first sun gearwheel and a first ring gearwheel being rotationally connectable to the input component by a first sleeve and a second sleeve, respectively, and a first planet carrier being rotationally connected to an output component, and a crawler unit drivingly connectable between the first planetary gear system and the output component. The first sleeve is configured to selectively rotationally connect the first sun gearwheel to a stationary member, the second sleeve selectively rotationally connects the first ring gearwheel to the stationary member via a third sleeve. The third sleeve is rotationally connected to the stationary member, and selectively rotationally connects one gear member of the crawler unit to the stationary member to cause the first ring gearwheel to rotate in an opposite direction compared to the first planet gearwheel carrier.Type: ApplicationFiled: October 29, 2025Publication date: April 9, 2026Applicant: VOLVO TRUCK CORPORATIONInventors: Johan FOLKESSON, Anders Hedman
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Publication number: 20260022765Abstract: A gearshift arrangement has a housing, a first gearwheel and a second gearwheel, a first shift fork and a second shift fork, a first shift rod and a second shift rod, configured to move the first shift fork and the second shift fork, respectively. The first and second shift rods are configured to abut, such that movement to a forbidden gear position is prevented, wherein the forbidden gear position comprises the first shift fork and the second shift fork simultaneously being in the first shift fork first position and the second shift fork first position.Type: ApplicationFiled: July 7, 2025Publication date: January 22, 2026Applicant: VOLVO TRUCK CORPORATIONInventor: Johan FOLKESSON
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Publication number: 20260022766Abstract: A gearshift arrangement has a first shift fork and a first shift rod. The first shift rod is movable along a first shift rod axis and is configured to move the first shift fork between at least two positions.Type: ApplicationFiled: July 7, 2025Publication date: January 22, 2026Applicant: VOLVO TRUCK CORPORATIONInventor: Johan FOLKESSON
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Publication number: 20260022767Abstract: A gearshift arrangement has a housing, a first shift rod and a second shift rod, a first chamber, a second chamber, and a third chamber. The gearshift arrangement is configured such that, when the first chamber is fluidly pressurized, the first shift rod is pushed in a direction along the first shift rod axis towards the second shift rod. When the second chamber is fluidly pressurized, the second shift rod is pushed in a direction along the second shift rod axis towards the first shift rod. When the third chamber is fluidly pressurized, the first shift rod and the second shift rod are pushed in respective directions away from one another along their respective first and second shift rod axis.Type: ApplicationFiled: July 1, 2025Publication date: January 22, 2026Applicant: VOLVO TRUCK CORPORATIONInventor: Johan FOLKESSON
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Publication number: 20260022758Abstract: A torque transfer device for distributing torque from an input shaft to a first and a second output shaft driving a first and a second axle of a vehicle, respectively, is disclosed. The torque transfer device comprises a planetary gear system and a first shifting device selectively settable to one of a first position, a second position, and a third position, wherein in the first position, it provides increased output torque via the planetary gear system to the first and second output shafts, in the second position, it provides increased output torque only to the first output shaft, and in the third position, it provides output torque only to the first output shaft, at a direct gear ratio, or at a gear ratio which is lower than in the second position.Type: ApplicationFiled: July 9, 2025Publication date: January 22, 2026Inventors: Johan Folkesson, Axel Josefsson, Peter Falk
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Publication number: 20250297672Abstract: A transmission arrangement for a vehicle, the transmission arrangement comprising a first input shaft comprising a first input shaft gear wheel rotationally fixed to the first input shaft, a second input shaft comprising a second input shaft gear wheel rotationally fixed to the second input shaft, a transmission shaft drivingly connectable to a pair of wheels of the vehicle, the transmission shaft comprising a transmission gear wheel rotationally fixed to the transmission shaft, the transmission gear wheel being arranged in meshing engagement with the first input shaft gear wheel, and a countershaft comprising a first countershaft gear wheel arranged in meshing engagement with the transmission gear wheel, and a second countershaft gear wheel arranged in meshing engagement with second input shaft gear wheel, wherein the second input shaft is drivingly connectable to the transmission shaft via the countershaft.Type: ApplicationFiled: March 18, 2025Publication date: September 25, 2025Inventor: Johan Folkesson
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Publication number: 20250257791Abstract: The present disclosure relates to a transmission arrangement including an input shaft, and an output shaft, a first gear stage including a first gear wheel and a second gear wheel drivingly connected to each other, a first planetary gear set including a first sun gear, a first ring gear and a first planet carrier, wherein the first planet carrier is rotationally connected to the output shaft, and a crawler unit being drivingly connectable between the first planetary gear set and the output shaft by a first clutch, wherein the first clutch is configured to rotationally connect one of the plurality of gear members of the crawler unit to one of the first ring gear, the first planet carrier or a stationary member of the transmission arrangement, to cause the first ring gear to rotate in an opposite direction compared to a rotational direction of the first planet carrier.Type: ApplicationFiled: February 6, 2025Publication date: August 14, 2025Inventors: Johan Folkesson, Sven Norberg, Anders Hedman
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Patent number: 12128760Abstract: The disclosure relates to a powertrain for a vehicle, the powertrain including: a transmission, a propeller shaft and a differential gear, wherein the transmission comprises an output shaft which is drivingly connected or connectable to the propeller shaft, the propeller shaft is drivingly connected to the differential gear and the differential gear is configured to provide a driving torque to a respective half-shaft of a drive axle for driving the vehicle, the transmission further including: an input shaft configured to be drivingly connected to a power unit; a planetary gearset; a first gearset and a second gearset. The disclosure also relates to a vehicle.Type: GrantFiled: December 1, 2023Date of Patent: October 29, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Johan Folkesson, Anders Hedman
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Patent number: 12129914Abstract: A vehicle transmission includes: a first and second input shaft (IS), a countershaft, a main shaft, and an output shaft, a first gear plane (GP) comprising a first IS gearwheel (ISG), a first main gearwheel (MG), and a first countershaft gearwheel (CG), a second GP comprising a second ISG, a second MG, and a second CG, the first CG connectable to the second CG, a range gear comprising at least a first, second, and third range gear component (RGC), the first RGC connected to the output shaft, a first gear engaging device (GED) settable to: a state connecting the first MG to the first RGC, a neutral state, and a state connecting the first MG to the second RGC, a second GED settable to at least: a state connecting the second MG to the second RGC, a neutral state.Type: GrantFiled: November 8, 2022Date of Patent: October 29, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Johan Folkesson, Anders Hedman, Sven Norberg
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Publication number: 20240318711Abstract: A gearwheel arrangement for a transmission is disclosed. The gearwheel arrangement includes a first gearwheel and a second gearwheel coaxially arranged and selectively rotationally connectable to one another, a first pair of cylindrical roller bearings configured to support radial load, the first pair of cylindrical roller bearings being arranged to support the first gearwheel in a radial direction, a second pair of cylindrical roller bearings configured to support radial load, the second pair of cylindrical roller bearings being arranged to support the second gearwheel in the radial direction, and a common rolling element bearing configured to support axial load, the common rolling element bearing being arranged to support both of the first and second gearwheels in an axial direction.Type: ApplicationFiled: March 14, 2024Publication date: September 26, 2024Inventors: Johan Folkesson, Anders Hedman
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Patent number: 12038073Abstract: A transmission for a vehicle includes a first input shaft, a second input shaft, an output shaft, a planetary gear set arranged on the output shaft, including a sun gear, planet carrier and ring gear, an output shaft first gearwheel, an output shaft second gearwheel, wherein the first input shaft gearwheel is drivingly connected with the output shaft first gearwheel and the second input shaft gearwheel is drivingly connected with the output shaft second gearwheel, wherein the output shaft second gearwheel is permanently connected to the sun gear and rotatable with respect to the output shaft, the output shaft first gearwheel is rotatable with respect to the output shaft, and the output shaft first gearwheel is further engageable with the output shaft in a first gear mode and engageable with the output shaft second gearwheel in a second gear mode.Type: GrantFiled: June 8, 2021Date of Patent: July 16, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Johan Folkesson, Richard Torsein, Anders Hedman
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Patent number: 12031615Abstract: A transmission for a vehicle includes a first input shaft, a second input shaft, a countershaft, a main shaft, and an output shaft, a first gear plane including a first input shaft gearwheel, a first main gearwheel, and a first countershaft gearwheel, and a second gear plane including a second input shaft gearwheel, a second main gearwheel, a second countershaft gearwheel, a first gear engaging device, a second gear engaging device, wherein the output shaft is drivingly connectable to the main shaft, and wherein the transmission is configured to only enable transfer of torque between the first input shaft and the output shaft via the main shaft, and to only enable transfer of torque between the second input shaft and the output shaft via the main shaft.Type: GrantFiled: February 9, 2023Date of Patent: July 9, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Anders Hedman, Johan Folkesson, Sven Norberg
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Publication number: 20240181872Abstract: The disclosure relates to a powertrain for a vehicle, the powertrain including: a transmission, a propeller shaft and a differential gear, wherein the transmission comprises an output shaft which is drivingly connected or connectable to the propeller shaft, the propeller shaft is drivingly connected to the differential gear and the differential gear is configured to provide a driving torque to a respective half-shaft of a drive axle for driving the vehicle, the transmission further including: an input shaft configured to be drivingly connected to a power unit; a planetary gearset; a first gearset and a second gearset. The disclosure also relates to a vehicle.Type: ApplicationFiled: December 1, 2023Publication date: June 6, 2024Inventors: Johan Folkesson, Anders Hedman
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Publication number: 20240183429Abstract: A transmission includes a primary gear including primary teeth, each having a primary surface; a secondary gear including secondary teeth; an intermediate gear including intermediate teeth, each comprising a primary intermediate part having a primary intermediate surface and a secondary intermediate part having a secondary intermediate surface, where the primary intermediate part is axially offset from the secondary intermediate part. The intermediate gear is axially displaceable to an engaged position. The primary surface contacts the primary intermediate surface in a contact region and the secondary intermediate surface contacts one of the secondary teeth. In the engaged position, one primary tooth and one intermediate tooth form an overlap, radially inside the contact region, for preventing the intermediate gear from being displaced from the engaged position to a disengaged position.Type: ApplicationFiled: November 15, 2023Publication date: June 6, 2024Applicant: VOLVO TRUCK CORPORATIONInventor: Johan FOLKESSON
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Publication number: 20240175466Abstract: An axial roller bearing assembly includes an annular plastic cage comprising a plurality of openings distributed along the circumferential direction of the cage. A plurality of rollers are provided in a respective opening of the cage; and a support ring is provided circumferentially around the outer perimeter of the cage and in contact with the cage for providing strengthening support to the plastic material of the cage.Type: ApplicationFiled: November 16, 2023Publication date: May 30, 2024Applicant: VOLVO TRUCK CORPORATIONInventor: Johan FOLKESSON
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Patent number: 11981197Abstract: The invention relates to a vehicle powertrain, comprising: first and second power units (PUs), a propeller shaft, (PS) a power take-off, (PTO), a transmission comprising: first and second input shafts connected to the PUs, an output shaft connected to the PS, and a countershaft connected to the PTO, first and second input shaft gearwheels (ISGs) on the input shafts, first and second countershaft gearwheels (CSGs), the first CSG being in driving connection with the second ISG, first, second and third output shaft gearwheels (OSGs) in driving connection with the first ISG and the first and second CSGs, first and second gear engaging devices (GEDs), wherein, in a mode of operation, the first GED rotationally connects the first OS G to the output shaft, and the second GED rotationally disconnects the output shaft from the second and third OSGs, no parts of the powertrain being drivingly connected to both of the PUs.Type: GrantFiled: October 5, 2022Date of Patent: May 14, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Johan Folkesson, Anders Hedman
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Publication number: 20240133448Abstract: A transmission for a vehicle includes a first input shaft, a second input shaft, an output shaft, a planetary gear set arranged on the output shaft, including a sun gear, planet carrier and ring gear, an output shaft first gearwheel, an output shaft second gearwheel, wherein the first input shaft gearwheel is drivingly connected with the output shaft first gearwheel and the second input shaft gearwheel is drivingly connected with the output shaft second gearwheel, wherein the output shaft second gearwheel is permanently connected to the sun gear and rotatable with respect to the output shaft, the output shaft first gearwheel is rotatable with respect to the output shaft, and the output shaft first gearwheel is further engageable with the output shaft in a first gear mode and engageable with the output shaft second gearwheel in a second gear mode.Type: ApplicationFiled: June 7, 2021Publication date: April 25, 2024Inventors: Johan FOLKESSON, Richard TORSEIN, Anders HEDMAN
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Patent number: 11927252Abstract: A transmission for a vehicle includes an input shaft, a planetary gearset comprising a sun gearwheel, one or more planet gearwheels, a planet gearwheel holder and a planet ring gearwheel, a first gearwheel, a second gearwheel, a third gearwheel, a fourth gearwheel and a fifth gearwheel, an output shaft, and at least two gear engaging devices which are configured to provide at least four selectable gear connections. The planet ring gearwheel is rotatably connected or connectable to the first gearwheel. A first gear engaging device is configured to be provided in a first state where it rotationally connects the second gearwheel to the fourth gearwheel and in a second state where it rotationally disconnects the second gearwheel from the fourth gearwheel. The third selectable gear connection is provided by at least setting the first gear engaging device in the first gear engaging device first state.Type: GrantFiled: October 20, 2022Date of Patent: March 12, 2024Assignee: VOLVO TRUCK CORPORATIONInventor: Johan Folkesson
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Patent number: 11888381Abstract: An electric machine comprising a rotor, a stator, and a fluid-based brake arrangement for said rotor, said fluid-based brake arrangement having a fluid circuit for transporting a brake fluid, said fluid circuit comprising a fluid channel arrangement having at least one radial fluid channel segment extending radially through a part of said rotor so as to allow for directing brake fluid from an inner radial rotor side to an outer radial rotor side, whereby, during rotation of said rotor about an axial centre axis, acceleration of brake fluid in said at least one radial fluid channel segment causes a reaction force exerting a braking torque on the rotor.Type: GrantFiled: December 7, 2021Date of Patent: January 30, 2024Assignee: VOLVO TRUCK CORPORATIONInventor: Johan Folkesson
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Patent number: 11794574Abstract: A transmission comprises a first input shaft, a second input shaft, an output shaft, and an intermediate shaft. A first input shaft gearwheel, a second input shaft gearwheel, a first intermediate shaft gearwheel, a second intermediate shaft gearwheel, a first output shaft gearwheel drivingly connected to the first input shaft gearwheel, a second output shaft gearwheel in meshing engagement with the first intermediate shaft gearwheel, and a third output shaft gearwheel in meshing engagement with the second intermediate shaft gearwheel, are provided.Type: GrantFiled: June 8, 2022Date of Patent: October 24, 2023Assignee: VOLVO TRUCK CORPORATIONInventors: Anders Hedman, Johan Folkesson