Patents by Inventor Julien Maffucci
Julien Maffucci 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: 20210222733Abstract: A suspension thrust bearing device that provides a lower support cap, an upper bearing cap and at least one bearing arranged between the caps. The upper bearing cap includes an outer skirt radially surrounding the lower support cap. The lower support cap ha at least one annular flange extending towards the outer skirt of the upper bearing cap while remaining radially spaced apart from the outer skirt. The upper bearing cap further includes at least one annular rib extending axially towards an upper surface of the flange of the lower support cap while remaining axially spaced apart from the lower support cap. The annular rib is radially located between the outer skirt of the upper bearing cap and the bearing.Type: ApplicationFiled: November 9, 2020Publication date: July 22, 2021Inventors: Xavier Blanchard, Thomas Lepine, Julien Maffucci, Desire Vidot
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Publication number: 20210222732Abstract: A suspension thrust bearing device providing a lower support cap, an upper bearing cap and at least one bearing arranged between the caps. The upper bearing cap includes an outer skirt radially surrounding the lower support cap. The lower support cap having at least one annular deflector flange extending towards the outer skirt of the upper bearing cap while remaining radially spaced apart from the outer skirt, the deflector flange having a lower inclined surface extending obliquely downwards.Type: ApplicationFiled: November 9, 2020Publication date: July 22, 2021Inventors: Xavier Blanchard, Thomas Lepine, Julien Maffucci, Desire Vidot
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Patent number: 10753389Abstract: A suspension thrust bearing for use with a suspension spring in an automotive suspension strut of a vehicle. The suspension thrust bearing provides a bearing having upper and lower annular bearing members in relative rotation to each other, and having upper and lower bearing surfaces, respectively, disposed in confronting alignment with each other. The lower bearing surface has a contour shaped to axially receive an upper end of the suspension spring. The upper bearing surface is shaped to be axially received by a support block attached to a body of the vehicle. The suspension thrust bearing includes an upper isolator made of resilient material and fixed to the upper bearing surface such that the upper isolator fits between the upper annular bearing member and support block.Type: GrantFiled: September 4, 2019Date of Patent: August 25, 2020Assignee: Aktiebolaget SKFInventors: Xavier Blanchard, Francois De Lemps, Julien Maffucci, Bruno Montboeuf
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Patent number: 10723194Abstract: A suspension thrust bearing unit for use in an automotive suspension assembly having a lower annular cap rotatable with respect to an upper annular cap and delimiting together an annular chamber that houses a rolling bearing. The lower annular cap provides a subassembly for damping vibrations and distributing stress being provided with a lower support surface that axially supports an upper end of a suspension spring. The subassembly includes an annular stiffening cup made from a metal material and mounted to the lower cap, and an annular damping device made from a resilient material and mounted to the stiffening cup. The stiffening cup having at least one protruding portion formed by stamping and that extends towards the damping device, the damping device being locally deformed by the protruding portion and forming a recess to receive the protruding portion.Type: GrantFiled: April 3, 2019Date of Patent: July 28, 2020Inventors: Bruno Montboeuf, Francois De Lemps, Julien Maffucci
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Publication number: 20200116196Abstract: A suspension thrust bearing for use with a suspension spring in an automotive suspension strut of a vehicle. The suspension thrust bearing provides a bearing having upper and lower annular bearing members in relative rotation to each other, and having upper and lower bearing surfaces, respectively, disposed in confronting alignment with each other. The lower bearing surface has a contour shaped to axially receive an upper end of the suspension spring. The upper bearing surface is shaped to be axially received by a support block attached to a body of the vehicle. The suspension thrust bearing includes an upper isolator made of resilient material and fixed to the upper bearing surface such that the upper isolator fits between the upper annular bearing member and support block.Type: ApplicationFiled: September 4, 2019Publication date: April 16, 2020Inventors: Xavier Blanchard, Francois De Lemps, Julien Maffucci, Bruno Montboeuf
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Patent number: 10527097Abstract: A roller bearing configured to be mounted on a balancing shaft. The rolling bearing having an outer ring, a cage axially protruding beyond at least one side of the outer ring, and rollers mounted in the cage and in rolling contact with the outer ring. The cage provides at least one boss on a side that axially protrudes beyond the outer ring, the boss being dedicated to come into abutment against the outer ring in case of relative axial displacement between the cage and outer ring.Type: GrantFiled: March 5, 2018Date of Patent: January 7, 2020Assignee: AKTIEBOLAGET SKFInventors: Julien Maffucci, Vincent Hamar, Harald Metz
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Publication number: 20190308479Abstract: A suspension thrust bearing unit for use in an automotive suspension assembly having a lower annular cap rotatable with respect to an upper annular cap and delimiting together an annular chamber that houses a rolling bearing. The lower annular cap provides a subassembly for damping vibrations and distributing stress being provided with a lower support surface that axially supports an upper end of a suspension spring. The subassembly includes an annular stiffening cup made from a metal material and mounted to the lower cap, and an annular damping device made from a resilient material and mounted to the stiffening cup. The stiffening cup having at least one protruding portion formed by stamping and that extends towards the damping device, the damping device being locally deformed by the protruding portion and forming a recess to receive the protruding portion.Type: ApplicationFiled: April 3, 2019Publication date: October 10, 2019Inventors: Bruno Montboeuf, Francois De Lemps, Julien Maffucci
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Publication number: 20180258986Abstract: A roller bearing configured to be mounted on a balancing shaft. The rolling bearing having an outer ring, a cage axially protruding beyond at least one side of the outer ring, and rollers mounted in the cage and in rolling contact with the outer ring. The cage provides at least one boss on a side that axially protrudes beyond the outer ring, the boss being dedicated to come into abutment against the outer ring in case of relative axial displacement between the cage and outer ring.Type: ApplicationFiled: March 5, 2018Publication date: September 13, 2018Inventors: Julien Maffucci, Vincent Hamar, Harald Metz
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Patent number: 9638071Abstract: A method for manufacturing a roller, adapted to equip a mechanical system forming a cam follower or a rocker arm. The roller is centered on a central axis and comprising: an outer cylindrical surface adapted to roll on a cam, an inner cylindrical bore adapted to receive a pin belonging to the mechanical system, and two lateral faces extending radially to the central axis. The method includes a machining step forming circular grooves that are concentric with each other on at least one of the lateral faces of the roller. The roller can be installed within a mechanical system.Type: GrantFiled: May 13, 2015Date of Patent: May 2, 2017Assignee: AKTIEBOLAGET SKFInventors: Benoît Hauvespre, Julien Maffucci
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Patent number: 9562600Abstract: The cam follower roller device including a body, a shaft mounted on the body, a roller mounted on the shaft in a rotationally movable manner, and at least one friction element mounted on the shaft axially between the roller and the body. The friction element is separate from the body and from the roller.Type: GrantFiled: December 18, 2014Date of Patent: February 7, 2017Assignee: AKTIEBOLAGET SKFInventors: François Champalou, Richard Corbett, Aurelien Ghilbert-Simon, Benoît Hauvespre, Julien Maffucci
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Publication number: 20160238066Abstract: A rolling bearing, adapted for mounting on a balancing shaft, the rolling bearing comprising: (a) an outer ring having a cylindrical outer surface and a cylindrical inner surface centered on a central axis, and two annular lateral surfaces extending radially to the central axis and defining a ring width parallel to the central axis; (b) a cage having pockets distributed around the central axis and two annular lateral surfaces extending radially to the central axis and defining a cage width parallel to the central axis; and (c) rolling members mounted in the pockets of the cage and disposed in rolling contact with the inner surface of the outer ring. The cage width is superior or equal to the ring width. The rolling bearing can be installed within a mechanical system.Type: ApplicationFiled: January 27, 2016Publication date: August 18, 2016Applicant: Aktiebolaget SKFInventors: Richard CORBETT, Gwenael HINGOUET, Julien MAFFUCCI
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Publication number: 20160123450Abstract: A balance shaft adapted to be rotated by a crankshaft of an internal combustion engine. The balance shaft is equipped with bearings in order to be mounted in a freely rotatable manner in a frame of the internal combustion engine, and with a cam for interaction with a cam follower roller for a fuel injection pump. At least one of the bearings is a bearing with a double row of rolling elements.Type: ApplicationFiled: October 27, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Richard CORBETT, Benoît HAUVESPRE, Julien MAFFUCCI
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Publication number: 20150369097Abstract: A mechanical system forming one of a cam follower or a rocker arm, the mechanical system comprising: a support element; a pin extending between two opposite ends along a first axis and supported by the support element; and a roller movable in rotation relative to the pin around the first axis and adapted to roll on a cam. At least one recess is formed within the pin or roller, wherein the at least one recess provides a lubricant reservoir at an interface between the pin and the roller. The mechanical system can be integrated into an injection pump or a valve actuator. The mechanical system is manufactured by forming the at least one recess within the pin or roller and assembling the parts together, wherein the recess provides a lubricant reservoir at an interface between the pin and the roller.Type: ApplicationFiled: June 24, 2015Publication date: December 24, 2015Applicant: Aktiebolaget SKFInventors: Benoît HAUVESPRE, Julien MAFFUCCI
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Publication number: 20150337941Abstract: Cam follower roller device, notably for fuel injection pump of an internal combustion engine, comprises a casing, a shaft mounted on the casing and a roller rotatably mounted on the shaft. The cam follower device comprises at least one sealing element arranged radially between the shaft and the roller and axially between the roller and the casing.Type: ApplicationFiled: May 20, 2015Publication date: November 26, 2015Applicant: AKTIEBOLAGET SKFInventors: François CHAMPALOU, Benoît HAUVESPRE, Julien MAFFUCCI
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Publication number: 20150330264Abstract: A method for manufacturing a roller, adapted to equip a mechanical system forming a cam follower or a rocker arm. The roller is centered on a central axis and comprising: an outer cylindrical surface adapted to roll on a cam, an inner cylindrical bore adapted to receive a pin belonging to the mechanical system, and two lateral faces extending radially to the central axis. The method includes a machining step forming circular grooves that are concentric with each other on at least one of the lateral faces of the roller. The roller can be installed within a mechanical system.Type: ApplicationFiled: May 13, 2015Publication date: November 19, 2015Applicant: Aktiebolaget SKFInventors: Benoît HAUVESPRE, Julien MAFFUCCI
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Publication number: 20150267773Abstract: A balancing assembly for an internal combustion engine comprising a balancing shaft and at least two bearings for holding the balancing shaft in position with respect to a supporting structure of the engine, each bearing comprising an inner ring mounted around the balancing shaft, an outer ring designed to interact with the supporting structure and balls located in a bearing chamber defined between the inner and outer rings. Each bearing is an angular contact rolling bearing with a single row of balls and at least one of the inner ring and the outer ring is made of a drawn piece of metal.Type: ApplicationFiled: March 19, 2015Publication date: September 24, 2015Applicant: Aktiebolaget SKFInventors: Richard CORBETT, Gwenael HINGOUET, Julien MAFFUCCI
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Publication number: 20150176691Abstract: The cam follower roller device including a body, a shaft mounted on the body, a roller mounted on the shaft in a rotationally movable manner, and at least one friction element mounted on the shaft axially between the roller and the body. The friction element is separate from the body and from the roller.Type: ApplicationFiled: December 18, 2014Publication date: June 25, 2015Applicant: Aktiebolaget SKFInventors: François CHAMPALOU, Richard CORBETT, Aurelien GHILBERT-SIMON, Benoît HAUVESPRE, Julien MAFFUCCI
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Publication number: 20150027397Abstract: The invention relates to a rolling bearing provided with at least one row of rolling elements disposed between an inner raceway and an outer raceway. At least one of the raceways is coated with a tungsten sulphide (WS2) coating. The invention also relates to an internal combustion engine (M) having at least one balance shaft rotated by a crankshaft of the internal combustion engine (M), the at least one balance shaft being freely supported in rotation in a frame (B) of the internal combustion engine (M) by at least one such rolling bearing.Type: ApplicationFiled: July 28, 2014Publication date: January 29, 2015Applicant: Aktiebolaget SKFInventors: Richard Corbett, Julien Maffucci