Patents by Inventor Nicolas GRANOTTIER
Nicolas GRANOTTIER 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: 20240149192Abstract: An oil filter for vehicle lubrication system includes a housing forming a cavity, a filter medium mounted in the housing cavity, an inlet port located upstream of the filter medium in the direction of oil flow, a first outlet port located downstream of the filter medium. The oil filter includes a second outlet port located downstream of the filter medium.Type: ApplicationFiled: March 18, 2021Publication date: May 9, 2024Applicant: VOLVO TRUCK CORPORATIONInventors: Baptiste BOUTIN, Nicolas GRANOTTIER
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Patent number: 11892072Abstract: The invention relates to a method of managing the oil temperature of a transmission of a motor vehicle, the transmission comprising a lubrication circuit and an oil cooling circuit, the oil temperature management circuit comprising a liquid/liquid heat exchanger mounted on the lubrication circuit, the lubrication circuit comprising a pump for circulating the oil in the lubrication circuit, and a temperature sensor wherein, before a starting stage of the vehicle, if the temperature of the oil is lower than a first value, the pump of the lubrication circuit is activated so as to circulate the oil in the liquid/liquid exchanger.Type: GrantFiled: March 15, 2022Date of Patent: February 6, 2024Assignee: Volvo Truck CorporationInventors: Nicolas Granottier, Baptiste Boutin
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Patent number: 11725722Abstract: A powertrain assembly includes one or several electric motors, a gearbox comprising a gearbox housing, an axle comprising: an axle housing, movable parts inside axle housing, comprising a shaft for a wheel, a lubricating system comprising an axle lubricating device comprising an axle oil sump and a gearbox lubricating device comprising a gearbox oil sump inside the gearbox housing which is a dry sump having an oil storage area which is separate from said gearbox oil sump, a scavenge pump and a first duct configured to retrieve oil from gear box oil sump and to convey the retrieved oil up to the oil storage area, and a main pump and a second duct configured to convey oil from the storage oil area to lubricate the gears of the gearbox.Type: GrantFiled: April 1, 2022Date of Patent: August 15, 2023Assignee: VOLVO TRUCK CORPORATIONInventors: Nicolas Granottier, Baptiste Boutin
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Patent number: 11598230Abstract: The invention relates to a fluid circuit (3) comprising: —a supply line (5) for carrying a fluid from a pump (4) connected to a fluid tank (2) to an equipment (8), the supply line having a portion which is divided into a main line (10) including a heat exchanger (13), and a by-pass line (15) for by-passing said heat exchanger; —a first valve (31) for controlling the respective fluid flows in the main line (10) and in the by-pass line (15), and a first control device (33) for controlling the first valve (31) depending on a first parameter (T) of the fluid; —a pressure regulation circuit for carrying fluid from the supply line (5) towards the fluid tank (2), said pressure regulation circuit comprising a pressure regulation valve (23) for controlling the flow of fluid directed back to the fluid tank (2); wherein the pressure regulation circuit comprises: —a first recirculation line (21) branching from the supply line (5) downstream from the by-pass line outlet (17); —a second recirculation line (22) branching frType: GrantFiled: December 29, 2017Date of Patent: March 7, 2023Assignee: VOLVO TRUCK CORPORATIONInventors: Guillaume Malsot, Nicolas Granottier
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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: 20220316577Abstract: The invention relates to a method of managing the oil temperature of a transmission of a motor vehicle, the transmission comprising a lubrication circuit and an oil cooling circuit, the oil temperature management circuit comprising a liquid/liquid heat exchanger mounted on the lubrication circuit, the lubrication circuit comprising a pump for circulating the oil in the lubrication circuit, and a temperature sensor wherein, before a starting stage of the vehicle, if the temperature of the oil is lower than a first value, the pump of the lubrication circuit is activated so as to circulate the oil in the liquid/liquid exchanger.Type: ApplicationFiled: March 15, 2022Publication date: October 6, 2022Inventors: Nicolas GRANOTTIER, Baptiste BOUTIN
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Publication number: 20220316583Abstract: A powertrain assembly includes one or several electric motors, a gearbox comprising a gearbox housing, an axle comprising: an axle housing, movable parts inside axle housing, comprising a shaft for a wheel, a lubricating system comprising an axle lubricating device comprising an axle oil sump and a gearbox lubricating device comprising a gearbox oil sump inside the gearbox housing which is a dry sump having an oil storage area which is separate from said gearbox oil sump, a scavenge pump and a first duct configured to retrieve oil from gear box oil sump and to convey the retrieved oil up to the oil storage area, and a main pump and a second duct configured to convey oil from the storage oil area to lubricate the gears of the gearbox.Type: ApplicationFiled: April 1, 2022Publication date: October 6, 2022Applicant: VOLVO TRUCK CORPORATIONInventors: Nicolas GRANOTTIER, Baptiste BOUTIN
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Publication number: 20220228668Abstract: A 3-way valve includes a central channel into which opens an inlet port, a first outlet port and a second outlet port, the 3-way valve comprises an adjustment device simultaneously ensuring the opening, respectively the closing of the first port and the closing respectively the opening of the second port of so that the closing speed of the first port is faster than the opening speed of the second port.Type: ApplicationFiled: November 24, 2021Publication date: July 21, 2022Applicant: VOLVO TRUCK CORPORATIONInventors: Nicolas GRANOTTIER, Guillaume MALSOT
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Patent number: 11300019Abstract: The present invention relates to a cooling jet nozzle (10) for an engine piston. The nozzle (10) comprises a cooling stream pathway (14), in which the internal cross-sectional dimensions of the pathway vary along the length of the pathway; and a plunger (28) located within the cooling stream pathway to impinge a cooling feedstream received within the pathway to provide a cooling jet. The plunger (28) is axially moveable within the pathway to adjust the internal cross-sectional dimensions of the cooling jet.Type: GrantFiled: July 7, 2017Date of Patent: April 12, 2022Assignee: VOLVO TRUCK CORPORATIONInventors: Nicolas Granottier, Catherine Cuinier
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Publication number: 20210246815Abstract: The present invention relates to a cooling jet nozzle (10) for an engine piston. The nozzle (10) comprises a cooling stream pathway (14), in which the internal cross-sectional dimensions of the pathway vary along the length of the pathway; and a plunger (28) located within the cooling stream pathway to impinge a cooling feedstream received within the pathway to provide a cooling jet. The plunger (28) is axially moveable within the pathway to adjust the internal cross-sectional dimensions of the cooling jet.Type: ApplicationFiled: July 7, 2017Publication date: August 12, 2021Applicant: VOLVO TRUCK CORPORATIONInventors: Nicolas GRANOTTIER, Catherine CUINIER
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Publication number: 20200318506Abstract: The invention relates to a fluid circuit (3) comprising: —a supply line (5) for carrying a fluid from a pump (4) connected to a fluid tank (2) to an equipment (8), the supply line having a portion which is divided into a main line (10) including a heat exchanger (13), and a by-pass line (15) for by-passing said heat exchanger; —a first valve (31) for controlling the respective fluid flows in the main line (10) and in the by-pass line (15), and a first control device (33) for controlling the first valve (31) depending on a first parameter (T) of the fluid; —a pressure regulation circuit for carrying fluid from the supply line (5) towards the fluid tank (2), said pressure regulation circuit comprising a pressure regulation valve (23) for controlling the flow of fluid directed back to the fluid tank (2); wherein the pressure regulation circuit comprises: —a first recirculation line (21) branching from the supply line (5) downstream from the by-pass line outlet (17); —a second recirculation line (22) branching frType: ApplicationFiled: December 29, 2017Publication date: October 8, 2020Inventors: Guillaume MALSOT, Nicolas GRANOTTIER