Patents by Inventor Thomas Barillot
Thomas Barillot 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: 12000463Abstract: A gearbox for a vehicle includes a primary shaft configured to rotate about a first axis, a distribution gear, a transmission gear arranged around the primary shaft, an auxiliary shaft configured to rotate around a second axis, an auxiliary output gear and an auxiliary transmission gear arranged around the auxiliary shaft, an output gear arranged around the primary shaft for transmitting a power out of the gearbox, and a gear shift system slidable between at least two positions. The gear shift system is configured to rotationally engage the distribution gear and the output gear for transmitting the power directly from the primary shaft to the output gear, or the distribution gear and the transmission gear for transmitting the power indirectly from the primary shaft to the output gear through the auxiliary shaft.Type: GrantFiled: November 15, 2019Date of Patent: June 4, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Thomas Barillot, Jean Terrat, Bertrand Cauvin, Serge Vananty
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Patent number: 11951821Abstract: A gearbox for an electric powertrain, said gearbox comprising a primary shaft, on which are arranged a first primary gear which is fixed in rotation with respect to the primary shaft, a second primary gear and a third primary gear and a secondary shaft, on which are arranged a first secondary gear that is meshing with the first primary gear and that is by default free to rotate around the secondary shaft, a second secondary gear meshing with the second primary gear and a third secondary gear meshing with the third primary gear. The gearbox further includes a first coupling member, which is arranged along the secondary shaft and which can be moved between an engaged position, in which it couples the first secondary gear in rotation with the secondary shaft and a neutral position.Type: GrantFiled: December 19, 2019Date of Patent: April 9, 2024Assignee: Volvo Truck CorporationInventors: Jean Terrat, Thomas Barillot, Jan Hendriks
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Publication number: 20240109425Abstract: A drive line for vehicle includes at least one electric motor having a driving shaft, a multi-ratio gearbox comprising at least an input shaft and an output shaft, a first clutch configured to rotatably couple/decouple the driving shaft with the input shaft, a differential assembly mechanically connected to the output shaft, and a second clutch configured to rotatably couple/decouple a retarder with one of the shafts of the multi-ratio gearbox.Type: ApplicationFiled: September 26, 2023Publication date: April 4, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Vincent BROLLES, Thomas BARILLOT
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Patent number: 11932212Abstract: An axle for connecting two wheels of a vehicle is provided, The axle includes a retarder configured to generate a braking force.Type: GrantFiled: November 1, 2022Date of Patent: March 19, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Vincent Brolles, Thomas Barillot
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Publication number: 20240083397Abstract: An axle for connecting two wheels of a vehicle is provided, The axle includes a retarder configured to generate a braking force.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Vincent BROLLES, Thomas BARILLOT
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Patent number: 11890928Abstract: an electric powertrain integrated into a vehicle axle. Such electric axle (or “E-axle”) is a front or rear axle that includes an axle body (or “housing”) adapted to receive a powertrain, which is arranged to provide torque to the wheels of the axle. The “E-Axle” is a compact and economical electric drive solution for battery electric vehicles, fuel cells and hybrid applications. The electric motor(s), electronics and transmission are combined in a compact unit that directly drives the wheels provided at the longitudinal ends of the axle.Type: GrantFiled: June 24, 2022Date of Patent: February 6, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Vincent Brolles, Thomas Barillot
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Patent number: 11878583Abstract: An axle system (150) for a vehicle comprises: —a differential unit (10) including a first housing (24) and a second housing (20) which rotationally receives at least part of said first housing; —at least one drive shaft (11) having one end configured to be connected to a wheel of the vehicle and one end connected to the differential unit (10) and rotationally received in the first housing (24), the drive shaft (11) including at least one joint (110) connecting two portions (114a, 114d) of the drive shaft (11) to transmit rotary motion between said portions; —a first bearing (30) secured around the drive shaft (11), placed between the drive shaft and the first housing (24), having an outer diameter (D30) smaller than the radial dimension (D) of the joint (110); —a second bearing (40) placed between the first housing (24) and the second housing (20); —at least one tightening member (50) to axially lock the first bearing outer ring (32) relative to the first housing (24).Type: GrantFiled: October 1, 2018Date of Patent: January 23, 2024Assignee: VOLVO TRUCK CORPORATIONInventors: Thomas Barillot, Serge Vananty
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Patent number: 11850929Abstract: The invention relates to a vehicle axle, comprising: —a differential; —a powertrain, comprising a first electric motor (EM1) and a second electric motor (EM2); —a first transmission element between the first electric motor and said differential, this first transmission element comprising a variable transmission ratio; —a second transmission element between the second electric motor and said differential; wherein the second electric motor is controlled so as to provide its maximum power during gear changes of the first transmission element, so as to compensate at least partially for the power loss inherent in the gear change.Type: GrantFiled: October 24, 2019Date of Patent: December 26, 2023Assignee: VOLVO TRUCK CORPORATIONInventors: Thomas Barillot, Bertrand Cauvin, Jean Terrat, Serge Vananty
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Publication number: 20230150356Abstract: An electric powertrain for a vehicle provides electric propulsion to the vehicle. The electric powertrain includes a first electric motor linked to a first gear module through a motor shaft, said first gear module including a primary shaft on which are arranged a first primary gear and a second primary gear, a second gear module including a secondary shaft on which are arranged a first secondary gear that is meshing with the second primary gear, at least one countershaft on which are arranged a first quaternary gear and a second quaternary gear, a coupling member arranged at the first extremity of the primary shaft.Type: ApplicationFiled: November 9, 2022Publication date: May 18, 2023Applicant: VOLVO TRUCK CORPORATIONInventor: Thomas BARILLOT
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Publication number: 20230139342Abstract: An axle for connecting two wheels of a vehicle is provided, The axle includes a retarder configured to generate a braking force.Type: ApplicationFiled: November 1, 2022Publication date: May 4, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Vincent BROLLES, Thomas BARILLOT
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Publication number: 20230069392Abstract: A method of oil pre-conditioning for an electric powertrain for a vehicle configured to provide electric propulsion of the vehicle, said electric powertrain comprising the first electric motor being linked to the first gear module, a secondary shaft being linked to the second gear module, the second electric motor being linked to the third gear module through a motor shaft, the differential being shared by both electric motors, The electric powertrain is surrounded by an oil. The method includes the steps of selecting an oil pre-conditioning configuration wherein the secondary shaft does not rotate and at least one of the first electric motor or the second electric motor rotates while the other is in driving mode leading to the heating of the oil to reach a threshold temperature and applying the selected oil pre-conditioning configuration.Type: ApplicationFiled: September 1, 2022Publication date: March 2, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Vincent BROLLES, Thomas BARILLOT, Nicolas GRANOTTIER
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Publication number: 20230050096Abstract: A gearbox for an electric powertrain, said gearbox comprising a primary shaft, on which are arranged a first primary gear which is fixed in rotation with respect to the primary shaft, a second primary gear and a third primary gear and a secondary shaft, on which are arranged a first secondary gear that is meshing with the first primary gear and that is by default free to rotate around the secondary shaft, a second secondary gear meshing with the second primary gear and a third secondary gear meshing with the third primary gear. The gearbox further includes a first coupling member, which is arranged along the secondary shaft and which can be moved between an engaged position, in which it couples the first secondary gear in rotation with the secondary shaft and a neutral position.Type: ApplicationFiled: December 19, 2019Publication date: February 16, 2023Inventors: Jean TERRAT, Thomas BARILLOT, Jan HENDRIKS
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Patent number: 11565577Abstract: The invention relates to a powertrain module (10) comprising: —a powertrain system for driving at least one wheel of a vehicle, the powertrain system comprising: —a motor (5) having an output shaft; —and a transmission system between the motor (5) and a drive shaft (4) connected to said wheel; —and a casing (11) which houses the transmission system. The powertrain module (10) comprises connecting means (15) for cooperating with the connecting means (15) of an identical powertrain module (10) arranged in a facing relationship with said powertrain module (10), for mechanically connecting said two powertrain modules (10).Type: GrantFiled: July 24, 2018Date of Patent: January 31, 2023Assignee: VOLVO TRUCK CORPORATIONInventors: Jean Terrat, Thomas Barillot
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Publication number: 20230011463Abstract: an electric powertrain integrated into a vehicle axle. Such electric axle (or “E-axle”) is a front or rear axle that includes an axle body (or “housing”) adapted to receive a powertrain, which is arranged to provide torque to the wheels of the axle. The “E-Axle” is a compact and economical electric drive solution for battery electric vehicles, fuel cells and hybrid applications. The electric motor(s), electronics and transmission are combined in a compact unit that directly drives the wheels provided at the longitudinal ends of the axle.Type: ApplicationFiled: June 24, 2022Publication date: January 12, 2023Applicant: VOLVO TRUCK CORPORATIONInventors: Vincent BROLLES, Thomas Barillot
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Publication number: 20220396136Abstract: The invention relates to a vehicle axle, comprising:—a differential;—a powertrain, comprising a first electric motor (EM1) and a second electric motor (EM2);—a first transmission element between the first electric motor and said differential, this first transmission element comprising a variable transmission ratio;—a second transmission element between the second electric motor and said differential; wherein the second electric motor is controlled so as to provide its maximum power during gear changes of the first transmission element, so as to compensate at least partially for the power loss inherent in the gear change.Type: ApplicationFiled: October 24, 2019Publication date: December 15, 2022Applicant: VOLVO TRUCK CORPORATIONInventors: Thomas BARILLOT, Bertrand CAUVIN, Jean TERRAT, Serge VANANTY
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Publication number: 20220373064Abstract: A gearbox for a vehicle includes a primary shaft configured to rotate about a first axis, a distribution gear, a transmission gear arranged around the primary shaft, an auxiliary shaft configured to rotate around a second axis, an auxiliary output gear and an auxiliary transmission gear arranged around the auxiliary shaft, an output gear arranged around the primary shaft for transmitting a power out of the gearbox, and a gear shift system slidable between at least two positions. The gear shift system is configured to rotationally engage the distribution gear and the output gear for transmitting the power directly from the primary shaft to the output gear, or the distribution gear and the transmission gear for transmitting the power indirectly from the primary shaft to the output gear through the auxiliary shaft.Type: ApplicationFiled: November 15, 2019Publication date: November 24, 2022Inventors: Thomas Barillot, Jean Terrat, Bertrand Cauvin, Serge Vananty
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Publication number: 20220339998Abstract: A kit of parts for configuring an electric powertrain for a vehicle, electric powertrains for a vehicle and a method for configuring an electric powertrain for a vehicle. the invention applies to an electric powertrain integrated into a vehicle axle. Such electric axle (or “E-axle”) is a front or rear axle that includes an axle body (or “housing”) adapted to receive a powertrain, which is arranged to provide torque to the wheels of the axle.Type: ApplicationFiled: April 21, 2022Publication date: October 27, 2022Applicant: VOLVO TRUCK CORPORATIONInventors: Thomas BARILLOT, Jean TERRAT, Vincent BROLLES, Grégory BOUTEILLE
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Publication number: 20220032768Abstract: An axle system (150) for a vehicle comprises: —a differential unit (10) including a first housing (24) and a second housing (20) which rotationally receives at least part of said first housing; —at least one drive shaft (11) having one end configured to be connected to a wheel of the vehicle and one end connected to the differential unit (10) and rotationally received in the first housing (24), the drive shaft (11) including at least one joint (110) connecting two portions (114a, 114d) of the drive shaft (11) to transmit rotary motion between said portions; —a first bearing (30) secured around the drive shaft (11), placed between the drive shaft and the first housing (24), having an outer diameter (D30) smaller than the radial dimension (D) of the joint (110); —a second bearing (40) placed between the first housing (24) and the second housing (20); —at least one tightening member (50) to axially lock the first bearing outer ring (32) relative to the first housing (24).Type: ApplicationFiled: October 1, 2018Publication date: February 3, 2022Applicant: VOLVO TRUCK CORPORATIONInventors: Thomas BARILLOT, Serge VANANTY
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Publication number: 20210268885Abstract: The invention relates to a powertrain module (10) comprising: —a powertrain system for driving at least one wheel of a vehicle, the powertrain system comprising: —a motor (5) having an output shaft; —and a transmission system between the motor (5) and a drive shaft (4) connected to said wheel; —and a casing (11) which houses the transmission system. The powertrain module (10) comprises connecting means (15) for cooperating with the connecting means (15) of an identical powertrain module (10) arranged in a facing relationship with said powertrain module (10), for mechanically connecting said two powertrain modules (10).Type: ApplicationFiled: July 24, 2018Publication date: September 2, 2021Applicant: VOLVO TRUCK CORPORATIONInventors: Jean TERRAT, Thomas BARILLOT
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Publication number: 20210162862Abstract: The invention relates to a powertrain system (12) for driving at least one wheel of a vehicle, comprising: —a motor (5) having an output shaft (6); —a transmission system between the motor (5) and a drive shaft (4) connected to said wheel, the transmission system comprising two epicyclic gear trains (100, 200) each including the following components: a ring, a sun, a planet carrier and planet gears, wherein: —a first epicyclic gear train (100) has a first axis (A100), a component forming a first input component (101) connected to the motor output shaft (6), and a component forming a first output component (102); —a second epicyclic gear train (200) has a second axis (A200) parallel to the first axis (A100), a component forming a second input component (201, 205) meshing with the first output component (102), and a component forming a second output component (203) configured to be connected to the drive shaft (4).Type: ApplicationFiled: July 24, 2018Publication date: June 3, 2021Applicant: VOLVO TRUCK CORPORATIONInventors: Jean TERRAT, Thomas BARILLOT