Patents by Inventor Pascal David
Pascal David 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).
-
Patent number: 12615001Abstract: A system including: first switches to receive positive DC power to generate the AC power, a positive DC power rail to provide the positive DC power to the first switches, positive DC power tabs connected to the positive DC power rail, second switches to receive negative DC power to generate the AC power, a negative DC power rail to provide the negative DC power to the second switches, negative DC power tabs connected to the negative DC power rail; and AC power tabs to receive the AC power from the first switches and the second switches, wherein the positive DC power rail is provided in a first plane on a first side of the first switches and the second switches, and the negative DC power rail is provided in a second plane on a second side of the first switches and the second switches and opposite to the first side.Type: GrantFiled: March 28, 2024Date of Patent: April 28, 2026Assignee: BorgWarner Luxembourg Automotive Systems SAInventors: Eric Bourniche, Arnaud Leblay, Pascal David
-
Patent number: 12592598Abstract: A system includes a motor including: a stator; and a rotor including: a rotor shaft; a lamination stack including: a lamination yoke including a recess in an outermost surface of the lamination yoke and a first groove in the outermost surface of the lamination yoke; a lamination shoe in the recess of the lamination yoke, the lamination shoe including a second groove in an outermost surface of the lamination shoe; and one or more first magnets in the recess of the lamination yoke, each first magnet of the one or more first magnets including a first magnet groove, wherein the first groove of the lamination yoke, the second groove of the lamination shoe, and the first magnet groove are aligned along a first circumference of the lamination stack as a first lamination stack groove; and one or more carbon rings in the first lamination stack groove.Type: GrantFiled: March 22, 2024Date of Patent: March 31, 2026Assignee: BorgWarner Luxembourg Automotive Systems SAInventors: Pascal David, Eric Bourniche
-
Publication number: 20250309810Abstract: A system including: first switches to receive positive DC power to generate the AC power, a positive DC power rail to provide the positive DC power to the first switches, positive DC power tabs connected to the positive DC power rail, second switches to receive negative DC power to generate the AC power, a negative DC power rail to provide the negative DC power to the second switches, negative DC power tabs connected to the negative DC power rail; and AC power tabs to receive the AC power from the first switches and the second switches, wherein the positive DC power rail is provided in a first plane on a first side of the first switches and the second switches, and the negative DC power rail is provided in a second plane on a second side of the first switches and the second switches and opposite to the first side.Type: ApplicationFiled: March 28, 2024Publication date: October 2, 2025Applicant: BorgWarner Luxembourg Automotive Systems SAInventors: Eric BOURNICHE, Arnaud LEBLAY, Pascal DAVID
-
Publication number: 20250300508Abstract: A system includes a motor including: a stator; and a rotor including: a rotor shaft; a lamination stack including: a lamination yoke including a recess in an outermost surface of the lamination yoke and a first groove in the outermost surface of the lamination yoke; a lamination shoe in the recess of the lamination yoke, the lamination shoe including a second groove in an outermost surface of the lamination shoe; and one or more first magnets in the recess of the lamination yoke, each first magnet of the one or more first magnets including a first magnet groove, wherein the first groove of the lamination yoke, the second groove of the lamination shoe, and the first magnet groove are aligned along a first circumference of the lamination stack as a first lamination stack groove; and one or more carbon rings in the first lamination stack groove.Type: ApplicationFiled: March 22, 2024Publication date: September 25, 2025Applicant: BorgWarner Luxembourg Automotive Systems SAInventors: Pascal DAVID, Eric BOURNICHE
-
Publication number: 20250253729Abstract: A system includes a rotor core; a rotor stack extending circumferentially from the rotor core, the rotor stack including: a first end; a second end opposite to the first end; and a first slot in the rotor stack, the first slot extending from the first end to the second end; and a hairpin cooling pipe in the first slot of the rotor stack.Type: ApplicationFiled: February 6, 2024Publication date: August 7, 2025Applicant: BorgWarner US Technologies LLCInventors: Eric BOURNICHE, Pascal DAVID
-
Publication number: 20250107050Abstract: A system for an electric vehicle includes a power switch configured to convert DC power from a battery to AC power to drive a motor, and a three-dimensionally printed heat sink (3D heat sink) coupled to the power switch.Type: ApplicationFiled: September 25, 2023Publication date: March 27, 2025Applicant: Delphi Technologies IP LimitedInventors: Eric Bourniche, Pascal David, Arnaud Leblay
-
Patent number: 12101047Abstract: A system for a power switch module for an inverter includes a Silicon (Si) power switch configured to pass current in an on state based on an Si gate driving signal, a Silicon Carbide (SiC) power switch configured to pass current in an on state based on an SiC gate driving signal, an Si gate driver configured to provide the Si gate driving signal to operate the Si power switch when a current requirement of the inverter is at or above a threshold, and an SiC gate driver configured to provide the SiC gate driving signal to operate the SiC power switch when the current requirement of the inverter is below the threshold.Type: GrantFiled: April 11, 2022Date of Patent: September 24, 2024Assignee: Borg Warner Luxembourg Automotive Systems SAInventors: Eric Bourniche, Pascal David
-
Patent number: 11950398Abstract: A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.Type: GrantFiled: January 20, 2022Date of Patent: April 2, 2024Assignee: BorgWarner Luxembourg Automotive Systems SAInventors: Pascal David, Mark Alan Ebenhart, Marc Cipriano
-
Patent number: 11943903Abstract: A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.Type: GrantFiled: January 20, 2022Date of Patent: March 26, 2024Assignee: BorgWarner Luxembourg Automotive Systems SAInventors: Pascal David, Mark Alan Ebenhart, Marc Cipriano
-
Publication number: 20230327597Abstract: A system for a power switch module for an inverter includes a Silicon (Si) power switch configured to pass current in an on state based on an Si gate driving signal, a Silicon Carbide (SiC) power switch configured to pass current in an on state based on an SiC gate driving signal, an Si gate driver configured to provide the Si gate driving signal to operate the Si power switch when a current requirement of the inverter is at or above a threshold, and an SiC gate driver configured to provide the SiC gate driving signal to operate the SiC power switch when the current requirement of the inverter is below the threshold.Type: ApplicationFiled: April 11, 2022Publication date: October 12, 2023Applicant: BorgWarner Luxembourg Automotive Systems SAInventors: Eric BOURNICHE, Pascal DAVID
-
Patent number: 11785737Abstract: A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.Type: GrantFiled: January 20, 2022Date of Patent: October 10, 2023Assignee: Borg Warner Luxembourg Automotive Systems SAInventors: Pascal David, Mark Alan Ebenhart, Marc Cipriano
-
Publication number: 20230240056Abstract: A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.Type: ApplicationFiled: January 20, 2022Publication date: July 27, 2023Applicant: BorgWarner Luxembourg Automotive Systems SAInventors: Pascal David, Mark Alan Ebenhart, Marc Cipriano
-
Publication number: 20230232597Abstract: A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.Type: ApplicationFiled: January 20, 2022Publication date: July 20, 2023Applicant: BorgWarner Luxembourg Automotive Systems SAInventors: Pascal DAVID, Mark Alan EBENHART, Marc CIPRIANO
-
Publication number: 20230232568Abstract: A cooling system for a capacitor may include a housing for the capacitor, the housing comprising of a bottom surface, a top surface, and at least one side surface connecting the bottom surface and the top surface, the housing further including: a bottom inlet manifold and a bottom outlet manifold extending along the bottom surface; an inlet side channel extending along the side surface, the inlet side channel being in fluid communication with the bottom inlet manifold; an outlet side channel extending along the side surface, the outlet side channel being in fluid communication with the bottom outlet manifold; a top inlet manifold extending along the top surface, the top inlet manifold being in fluid communication with the inlet side channel; and a top outlet manifold extending along the top surface, the top outlet manifold being in fluid communication with the outlet side channel.Type: ApplicationFiled: January 20, 2022Publication date: July 20, 2023Applicant: BorgWarner Luxembourg Automotive Systems SAInventors: Pascal DAVID, Mark Alan EBENHART, Marc CIPRIANO
-
Patent number: 10746210Abstract: An assembly of a first element with a second element includes an elongate thin lip belonging to the second element being inserted in an elongate narrow slot formed by three sides of an elongate flat plate fixed in parallel to a flat wall of the first element. At least one element forming a guide is secured to a long side of the elongate flat plate forming an edge of the slot. The element forming a guide includes a sliding surface extending in the continuation of the elongate flat plate and diverging from the flat wall away from the first element. The at least one element forming a guide cooperates with the lip so that the insertion of the lip into the slot begins with the sliding of the lip on the sliding surface and then continues as the lip advances, with progressive insertion of the lip into the slot.Type: GrantFiled: September 30, 2014Date of Patent: August 18, 2020Assignee: RENAULT s.a.s.Inventors: Pascal David, Joseph Bui
-
Patent number: 10259286Abstract: A device that controls a temperature of a battery onboard a motor vehicle includes an air-conditioning circuit of the motor vehicle in which circulates, as a first heat-transfer fluid, an air-conditioning fluid. The air-conditioning circuit includes at least one evaporator for direct transfer of heat emitted by the battery to the air-conditioning fluid and a compressor to increase a pressure and a temperature of the air-conditioning fluid. The device also includes a cooling circuit in which circulates, as a second heat-transfer fluid, a cooling fluid. The cooling circuit includes at least one first heat source to heat the cooling fluid and at least one main radiator to cool the cooling fluid that can be short-circuited. The cooling circuit also includes a battery radiator to directly transfer heat conveyed by the hot cooling fluid to the battery when the main radiator of the cooling circuit is short-circuited.Type: GrantFiled: July 16, 2015Date of Patent: April 16, 2019Assignee: RENAULT s.a.s.Inventors: Benoit Janier, Pascal David
-
Patent number: 9982573Abstract: A camshaft phaser includes a stator having an inner wall with lobes extending radially inward and a stator flange extending radially outward, the stator flange having a plurality of apertures; a rotor coaxially disposed within the stator, the rotor having vanes interspersed with the lobes defining alternating advance chambers and retard chambers; a plurality of compression limiters extending through the apertures; a front cover which closes one end of the advance and retard chambers; a back cover which closes the other end of the advance and retard chambers; and a plurality of fasteners which extend through the apertures such that the fasteners apply a clamping load which clamps the stator between the front cover and the back cover such that the clamping load is transmitted through the compression limiters.Type: GrantFiled: June 3, 2016Date of Patent: May 29, 2018Assignee: DELPHI TECHNOLOGIES IP LIMITEDInventors: Pascal David, Pierre Kimus, Sebastien Mafrica
-
Publication number: 20170350283Abstract: A camshaft phaser includes a stator having an inner wall with lobes extending radially inward and a stator flange extending radially outward, the stator flange having a plurality of apertures; a rotor coaxially disposed within the stator, the rotor having vanes interspersed with the lobes defining alternating advance chambers and retard chambers; a plurality of compression limiters extending through the apertures; a front cover which closes one end of the advance and retard chambers; a back cover which closes the other end of the advance and retard chambers; and a plurality of fasteners which extend through the apertures such that the fasteners apply a clamping load which clamps the stator between the front cover and the back cover such that the clamping load is transmitted through the compression limiters.Type: ApplicationFiled: June 3, 2016Publication date: December 7, 2017Inventors: PASCAL DAVID, PIERRE KIMUS, SEBASTIEN MAFRICA
-
Publication number: 20170282676Abstract: A device that controls a temperature of a battery onboard a motor vehicle includes an air-conditioning circuit of the motor vehicle in which circulates, as a first heat-transfer fluid, an air-conditioning fluid. The air-conditioning circuit includes at least one evaporator for direct transfer of heat emitted by the battery to the air-conditioning fluid and a compressor to increase a pressure and a temperature of the air-conditioning fluid. The device also includes a cooling circuit in which circulates, as a second heat-transfer fluid, a cooling fluid. The cooling circuit includes at least one first heat source to heat the cooling fluid and at least one main radiator to cool the cooling fluid that can be short-circuited. The cooling circuit also includes a battery radiator to directly transfer heat conveyed by the hot cooling fluid to the battery when the main radiator of the cooling circuit is short-circuited.Type: ApplicationFiled: July 16, 2015Publication date: October 5, 2017Applicant: RENAULT s.a.s.Inventors: Benoit JANIER, Pascal DAVID
-
Publication number: 20170268387Abstract: An internal combustion engine includes a crankshaft rotatable about a crankshaft axis; a camshaft rotatable by the crankshaft about a camshaft axis; an engine cover defining an engine cover volume within the internal combustion engine; a drive member disposed within the engine cover volume which transfers rotational motion from the crankshaft to the camshaft; a camshaft phaser disposed within the engine cover volume which controllably varies the phase relationship between the crankshaft and the camshaft; an actuator which operates the camshaft phaser; and an actuator mount within the engine cover volume which mounts the actuator structurally independent of the engine cover, thereby allowing removal of the engine cover independently of the actuator.Type: ApplicationFiled: June 1, 2017Publication date: September 21, 2017Inventors: Pascal David, Pierre Kimus, Sebastien Mafrica