Patents by Inventor Yann BOETE
Yann BOETE 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: 11919400Abstract: A powertrain includes an engine; a driveline including a gearbox having an input shaft connected to the engine, an output shaft to be connected to driving wheels of the vehicle and a countershaft for transmitting a rotation of the input shaft to the output shaft which can be coupled to the input shaft; an electric machine; a gear reduction mechanism having a free wheel and at least three separate and rotatable junction elements, the rotational speeds of the junction elements being interdependent but not having a fixed ratio relative to one another: a first junction element that is connected to the electric machine; a second junction element that is connectable to the free wheel; a third junction element that is connected to the countershaft. The torque ratio between the third junction element and the first junction element can be selected from at least two different ratios.Type: GrantFiled: November 26, 2019Date of Patent: March 5, 2024Assignee: VOLVO TRUCK CORPORATIONInventor: Yann Boete
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Publication number: 20220410690Abstract: A powertrain includes an engine; a driveline including a gearbox having an input shaft connected to the engine, an output shaft to be connected to driving wheels of the vehicle and a countershaft for transmitting a rotation of the input shaft to the output shaft which can be coupled to the input shaft; an electric machine; a gear reduction mechanism having a free wheel and at least three separate and rotatable junction elements, the rotational speeds of the junction elements being interdependent but not having a fixed ratio relative to one another:a first junction element that is connected to the electric machine; a second junction element that is connectable to the free wheel; a third junction element that is connected to the countershaft. The torque ratio between the third junction element and the first junction element can be selected from at least two different ratios.Type: ApplicationFiled: November 26, 2019Publication date: December 29, 2022Applicant: VOLVO TRUCK CORPORATIONInventor: Yann BOETE
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Patent number: 11027607Abstract: A drive system for an engine arrangement, the drive system comprising an epicyclical gear reduction mechanism having a main axis and comprising: a first main gear, a second main gear arranged to rotate about main axis in the same direction as the first main gear, a first set of planet gears with planet gears meshing with the first main gear, a second set of planet gears with planet gears meshing with the second main gear, a planet carrier, supporting planet gears of the first and second planet gears, the planet carrier being located, along the main axis, between the first main gear and the second main gear.Type: GrantFiled: December 29, 2017Date of Patent: June 8, 2021Assignee: VOLVO TRUCK CORPORATIONInventors: Yann Boete, Julien Ameil
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Patent number: 11007859Abstract: A drive system for an engine arrangement includes a gear reduction mechanism having at least three separate and rotatable junction elements, the rotation speeds of the junction elements being interdependent but not having a fixed ratio the ones relative to the others, and wherein, in the mounted position, among the junction elements, a first junction element is connected to an engine crankshaft, a second junction element is connected to an accessory pulley which is drivingly connected to an electric machine and at least one accessory, and a third junction element. A free wheel is connected to a non-rotating part of the engine arrangement in the mounted position, and the third junction element is configured to be coupled to the free wheel in a first operating phase of the drive system. The third junction element is further configured to be coupled to the engine crankshaft in a second operating phase.Type: GrantFiled: December 16, 2016Date of Patent: May 18, 2021Assignee: VOLVO TRUCK CORPORATIONInventor: Yann Boete
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Patent number: 11004642Abstract: The invention relates to a switching device (10) of a starting device for an engine, comprising: —two terminals (11, 12) of a supply electrical circuit of a motor; a solenoid device (13) having an axis (14) and comprising: —a solenoid coil (16) wound around said axis (14); —a plunger (17) which is partially housed in the solenoid coil (16) and which includes a core (18) and a contact plate (21); wherein, when electric current passes through the solenoid coil (16), the plunger (17) is caused to move axially from an inactive position to an active position, thereby moving a pinion gear of the motor into engagement with a ring gear of the engine, in which active position the contact plate (21) is in contact with the terminals (11,12) for closing the motor supply circuit; —a relay (30) having an axis and comprising: —a relay coil (36); —a movable member (31) which, when electric current passes through the relay coil (36), is caused to move from an open position in which electric current cannot pass through the solType: GrantFiled: June 26, 2017Date of Patent: May 11, 2021Assignee: VOLVO TRUCK CORPORATIONInventor: Yann Boete
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Publication number: 20200331344Abstract: The invention relates to a drive system (1) for an engine arrangement (2), the drive system comprising an epicyclical gear reduction mechanism (20) having a main axis (15) and comprising: ?a first main gear (123), ?a second main gear (121) arranged to rotate about main axis (15) in the same direction as the first main gear (123), ?a first set of planet gears with planet gears (23) meshing with the first main gear (123), ?a second set of planet gears with planet gears (21) meshing with the second main gear (121), ?a planet carrier (25), supporting planet gears (23, 21) of the first and second planet gears (23, 21), the planet carrier (25) being located, along the main axis (15), between the first main gear (123) and the second main gear (22, 121). Each planet gear (23) of the first set of planet gears (23) is coupled to a planet gear (21) of the second set of planet gears (21) such that no relative rotation is possible between them.Type: ApplicationFiled: December 29, 2017Publication date: October 22, 2020Applicant: VOLVO TRUCK CORPORATIONInventors: Yann BOETE, Julien AMEIL
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Publication number: 20200111632Abstract: The invention relates to a switching device (10) of a starting device for an engine, comprising: —two terminals (11, 12) of a supply electrical circuit of a motor; a solenoid device (13) having an axis (14) and comprising: —a solenoid coil (16) wound around ON said axis (14); —a plunger (17) which is partially housed in the solenoid coil (16) and which includes a core (18) and a contact plate N (21); wherein, when electric current passes through the solenoid coil (16), the plunger (17) is caused to move axially from an inactive position to an active position, thereby moving a pinion gear of the motor into engagement with a ring gear of the engine, in which active position the contact plate (21) is in contact with the terminals (11,12) for closing the motor supply circuit; —a relay (30) having an axis and comprising: —a relay coil (36); —a movable member (31) which, when electric current passes through the relay coil (36), is caused to move from an open position in which electric current cannot pass through thType: ApplicationFiled: June 26, 2017Publication date: April 9, 2020Applicant: VOLVO TRUCK CORPORATIONInventor: Yann BOETE
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Publication number: 20190344653Abstract: A drive system for an engine arrangement includes a gear reduction mechanism having at least three separate and rotatable junction elements, the rotation speeds of the junction elements being interdependent but not having a fixed ratio the ones relative to the others, and wherein, in the mounted position, among the junction elements, a first junction element is connected to an engine crankshaft, a second junction element is connected to an accessory pulley which is drivingly connected to an electric machine and at least one accessory, and a third junction element. A free wheel is connected to a non-rotating part of the engine arrangement in the mounted position, and the third junction element is configured to be coupled to the free wheel in a first operating phase of the drive system. The third junction element is further configured to be coupled to the engine crankshaft in a second operating phase.Type: ApplicationFiled: December 16, 2016Publication date: November 14, 2019Applicant: VOLVO TRUCK CORPORATIONInventor: Yann BOETE
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Patent number: 10458383Abstract: A drive system is provided for an engine arrangement, which includes a gear reduction mechanism such as an epicyclic gearing including first junction element connected to an engine crankshaft, second junction element connected to an accessory pulley which is drivingly connected to an electric machine and at least one accessory, and third junction element. A free wheel is connected to a non-rotating part of the engine arrangement. In a first operating phase of the drive system, the free wheel is coupled to the third junction element and is configured such that when the third junction element exerts torque on the free wheel in one direction, the free wheel is in an engaged state and stops the rotation of the third junction element, and, when the third junction element exerts torque on the free wheel in the opposite direction, the free wheel is in a free state and allows rotation of the third junction element.Type: GrantFiled: July 29, 2015Date of Patent: October 29, 2019Assignee: VOLVO TRUCK CORPORATIONInventor: Yann Boete
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Publication number: 20180209392Abstract: A drive system is provided for an engine arrangement, which includes a gear reduction mechanism such as an epicyclic gearing including first junction element connected to an engine crankshaft, second junction element connected to an accessory pulley which is drivingly connected to an electric machine and at least one accessory, and third junction element. A free wheel is connected to a non-rotating part of the engine arrangement. In a first operating phase of the drive system, the free wheel is coupled to the third junction element and is configured such that when the third junction element exerts torque on the free wheel in one direction, the free wheel is in an engaged state and stops the rotation of the third junction element, and, when the third junction element exerts torque on the free wheel in the opposite direction, the free wheel is in a free state and allows rotation of the third junction element.Type: ApplicationFiled: July 29, 2015Publication date: July 26, 2018Applicant: VOLVO TRUCK CORPORATIONInventor: Yann BOETE
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Patent number: 9719478Abstract: A starter device for an internal combustion engine includes a starter housing, an electric motor and an engagement pinion driven in rotation by the motor around the pinion rotation axis, the pinion being movable in a translational motion along its pinion rotation axis between a retracted position and an engaging position for engaging a gear connected to the internal combustion engine, the translational motion being caused by the rotation of the electric motor, the starter device further comprising a non-rotatable element which is blocked in rotation with respect to the starter housing, a rotatable element driven in rotation by the electric motor, a helical linkage between the non rotatable element and the rotatable element for causing the translational motion of the pinion.Type: GrantFiled: July 19, 2013Date of Patent: August 1, 2017Assignee: Volvo Truck CorporationInventors: Romain Nicolas, Yann Boete
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Publication number: 20160131099Abstract: A starter device for an internal combustion engine includes a starter housing, an electric motor and an engagement pinion driven in rotation by the motor around the pinion rotation axis, the pinion being movable in a translational motion along its pinion rotation axis between a retracted position and an engaging position for engaging a gear connected to the internal combustion engine, the translational motion being caused by the rotation of the electric motor, the starter device further comprising a non-rotatable element which is blocked in rotation with respect to the starter housing, a rotatable element driven in rotation by the electric motor, a helical linkage between the non rotatable element and the rotatable element for causing the translational motion of the pinion.Type: ApplicationFiled: July 19, 2013Publication date: May 12, 2016Applicant: VOLVO TRUCK CORPORATIONInventors: Romain NICOLAS, Yann BOETE