Patents by Inventor Sylvain Bussit
Sylvain Bussit 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: 9950582Abstract: A suspension stop device provides an upper contact cap, a lower support cap and at least one bearing arranged between the caps. The upper contact cap provides a centering portion for a damper pad, inside which the pad, which is external to the device, is intended to be mounted. The centering portion extends axially inside a bore in the lower support cap.Type: GrantFiled: March 18, 2016Date of Patent: April 24, 2018Assignee: AKTIEBOLAGET SKFInventors: Charles Bedeau, Sylvain Bussit, Francois De Lemps, Daniel Jansen, Bruno Montboeuf, Jean-Marc Soudee
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Patent number: 9545830Abstract: A suspension bearing device, comprising: a bearing, a lower cup and an upper cup centered on a central axis. The lower cup having a body including a tubular axial portion and an annular outward radial portion. The lower cup is provided with a damper pad including: an inner portion disposed against the annular outward radial portion of the body; an outer portion for bearing a suspension spring; and an annular recess for receiving a creep of material of the damper pad when the outer portion is constrained by the suspension spring. The suspension bearing device can be integrated into a motor vehicle. A method for manufacturing such a suspension bearing device.Type: GrantFiled: September 28, 2015Date of Patent: January 17, 2017Assignee: AKTIEBOLAGET SKFInventors: Charles Bedeau, Sylvain Bussit, Francois De Lemps, Christophe Houdayer, Thomas Lepine, Jean-Marc Soudee, Desire Vidot
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Publication number: 20160280027Abstract: A suspension stop device provides an upper contact cap, a lower support cap and at least one bearing arranged between the caps. The upper contact cap provides a centering portion for a damper pad, inside which the pad, which is external to the device, is intended to be mounted. The centering portion extends axially inside a bore in the lower support cap.Type: ApplicationFiled: March 18, 2016Publication date: September 29, 2016Applicant: Aktiebolaget SKFInventors: Charles Bedeau, Sylvain Bussit, Francois De Lemps, Daniel Jansen, Bruno Montboeuf, Jean-Marc Soudee
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Patent number: 9422980Abstract: A rolling bearing includes a first ring, a second ring and a row of rolling elements disposed between the first ring and the second ring. The first ring has a housing, at least two raceway elements are mounted in the housing and at least one pre-stressing element is mounted in the housing. The at least one pre-stressing element is provided with at least one portion having a circumferential extension of less than 360° in sliding contact with the second ring.Type: GrantFiled: March 24, 2014Date of Patent: August 23, 2016Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Wilfried Hermle, Daniel Jansen, Tommy Jullien, Thomas Lepine, Franck Mauvisseau, Bruno Montboeuf, Lucia Pintz, Heiko Waeschle
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Patent number: 9341216Abstract: The invention relates to a rolling bearing assembly device having an inner race, an outer race, at least one row of rolling elements disposed between the inner race and the outer race, and a sleeve mounted in the bore of the inner race. The sleeve provides a radial bearing flange, the lower edge of which has a portion that is inclined towards the interior of the device, the inclined portion in contact with a locking washer. The sleeve also provides at least one slot extending axially towards the inner race from the lower edge of the radial bearing flange, the lower edge being disposed on the opposite side from the inner race.Type: GrantFiled: April 24, 2014Date of Patent: May 17, 2016Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Daniel Jansen, Tommy Jullien, Thomas Lepine, Bruno Montboeuf
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Publication number: 20160123385Abstract: A rolling bearing comprising an inner ring, an outer ring and rolling elements arranged between the inner and the outer ring. At least one of the inner and outer rings includes a housing, two half-raceways mounted in the housing, each of the half-raceways comprising a contact surface adapted to make a contact with the rolling elements, and at least one pre-stressing element arranged between the housing and one of the half-raceways. The half-raceways are formed by frustoconical rings and the contact surfaces of the half-raceways are frustoconical.Type: ApplicationFiled: September 25, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Sylvain BUSSIT, Amandine HOUART, Daniel JANSEN, Tommy JULLIEN, Thomas LEPINE, Bruno MONTBOEUF
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Patent number: 9322435Abstract: A suspension thrust bearing including at least one rolling bearing forming an axial thrust bearing disposed on a lower cap is provided. The lower cap includes a body with an annular rolling bearing portion for a spring and a tubular portion including a bore in which a shock absorber bump stop is inserted. An axial contact surface is defined on the lower portion of the bore of the tubular portion against which the shock absorber bump stop when deformed exerts a radial force. The tubular portion includes a reinforcing insert located at the level of this axial contact surface.Type: GrantFiled: April 2, 2014Date of Patent: April 26, 2016Assignee: AKTIEBOLAGET SKFInventors: Cedric Brouty, Sylvain Bussit, Christophe Houdayer, Hemanth Kumar G N, Pascal Quenardelle, Jean-Marc Soudee
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Patent number: 9316254Abstract: The cage for a rolling bearing intended to ensure the circumferential spacing of a row of balls is provided. The cage provides at least two groups of pockets for the balls each provided with means for axially retaining the cage on the associated ball. A first range of axial play is provided between the pockets of a first of the at least two groups and associated balls. A second range of axial play is provided between the pockets of a second of the at least two groups and associated balls. The values of the ranges are different from each other.Type: GrantFiled: June 30, 2014Date of Patent: April 19, 2016Assignee: AKTIEBOLAGET SKFInventors: Thierry Adane, Sylvain Bussit, Jean-Marie Gerard, Christopher Kern, Thomas Lepine
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Publication number: 20160089947Abstract: A suspension bearing device, comprising a bearing, a lower cup and an upper cup centered on a central axis. The lower cup includes a body having a tubular axial portion and an annular outward radial portion. The lower cup is provided with at least one seal disposed in sealing contact with the upper cup, The lower cup is provided with a damper pad having a cambered shape delimited by: an inner portion which is connected to the seal through the radial portion of the body; and a convex outer portion for bearing a suspension spring. The invention also concerns a motor vehicle equipped with such a suspension bearing device and a method for manufacturing such a suspension bearing device.Type: ApplicationFiled: September 28, 2015Publication date: March 31, 2016Applicant: AKTIEBOLAGET SKFInventors: Charles BEDEAU, Sylvain BUSSIT, Francois DE LEMPS, Christophe HOUDAYER, Thomas LEPINE, Jean-Marc SOUDEE, Desire VIDOT
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Publication number: 20160089946Abstract: A suspension bearing device, comprising: a bearing, a lower cup and an upper cup centered on a central axis. The lower cup having a body including a tubular axial portion and an annular outward radial portion. The lower cup is provided with a damper pad including: an inner portion disposed against the annular outward radial portion of the body; an outer portion for bearing a suspension spring; and an annular recess for receiving a creep of material of the damper pad when the outer portion is constrained by the suspension spring. The suspension bearing device can be integrated into a motor vehicle. A method for manufacturing such a suspension bearing device.Type: ApplicationFiled: September 28, 2015Publication date: March 31, 2016Applicant: Aktiebolaget SKFInventors: Charles BEDEAU, Sylvain BUSSIT, Francois DE LEMPS, Christophe HOUDAYER, Thomas LEPINE, Jean-Marc SOUDEE, Desire VIDOT
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Patent number: 9279448Abstract: A bearing device which comprises an internal ring and an external ring, which are each provided with a bearing path for rolling elements which are arranged between the rings in contact with the bearing paths. At least one of the two rings comprises a casing which is provided with an axial portion, two radial portions at the ends thereof. This device also comprises two bearing elements which are mounted in the casing and which each form a bearing path, and at least one pretensioning element which is produced from resilient material and which is arranged between one of the radial portions of the casing and one of the bearing elements. A pretensioning element is mounted in the casing of a first ring in frictional contact with the second ring in order to apply a resistant torque during the rotation of one ring relative to the other.Type: GrantFiled: August 6, 2013Date of Patent: March 8, 2016Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Daniel Jansen, Thomas Lepine, Bruno Montboeuf
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Publication number: 20160061260Abstract: A rolling bearing comprising an outer ring and an inner ring, each of the outer ring and the inner ring having a raceway for rolling elements placed therebetween in contact with the raceways. At least one of the outer ring and the inner ring comprises an envelope having an axial portion and, connected to the edges of the axial portion, two radial portions, and two half-raceways arranged in the envelope to form the raceway of the associated ring. The half-raceways are made of a plastic material.Type: ApplicationFiled: August 20, 2015Publication date: March 3, 2016Applicant: AKTIEBOLAGET SKFInventors: Sylvain BUSSIT, Amandine HOUART, Daniel JANSEN, Tommy JULLIEN, Thomas LEPINE, Bruno MONTBOEUF
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Publication number: 20160059659Abstract: A strut bearing unit, comprising a bearing, a lower cup and an upper cup, the lower cup comprising a tubular axial portion and an annular outward radial portion, wherein the lower cup includes two stiffening inserts which are distinct from each other, with a first insert comprising at least an axial portion located within the axial portion of the lower cup, and a second insert comprising at least a radial portion located within the outward radial portion of the lower cup. A motor vehicle can be equipped with the strut bearing unit. A method for manufacturing the strut bearing unit is described herein.Type: ApplicationFiled: August 20, 2015Publication date: March 3, 2016Applicant: AKTIEBOLAGET SKFInventors: Sylvain BUSSIT, Francois DE LEMPS, Jean-Marc SOUDEE, Desire VIDOT
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Patent number: 9248715Abstract: The present invention relates to a suspension bearing device, comprising a rolling bearing forming an axial stop along a main axis and at least one seal adapted for protecting the rolling bearing from ingress of water or of polluting particles. The device is characterized in that it also comprises a bottom cup and a top cup made of plastic, in contact with the rolling bearing, the bottom cup forming a bearing means for a suspension spring, and in that the or each seal is made of thermoplastic overmolded onto a first element between the cups and comprises a base of substantially annular shape from which extends at least one sealing lip in contact with the second element between the cups. The invention also relates to a strut of a motor vehicle, comprising a damper and a suspension bearing device as mentioned above.Type: GrantFiled: April 23, 2013Date of Patent: February 2, 2016Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Christophe Houdayer, Bruno Montboeuf, Adrien Nerriere, Jean-Marc Soudee, Desire Vidot
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Publication number: 20160017915Abstract: A rolling bearing comprising an outer ring and an inner ring, both rings having a raceway for rolling elements placed therebetween in contact with the raceways. At least one of the rings comprises an envelope having an axial portion and, connected to the edges of the axial portion, two radial portions, and two half-raceways arranged in the envelope to form the raceway of this ring. The rolling bearing further comprises at least one annular preloading element made of an elastic material and arranged inside the envelope to be preloaded axially between a first radial portion of the envelope and a lateral face of a first half-raceway. The rolling bearing comprises at least one damping element radially arranged between the axial portion of the envelope and each of the half-raceways.Type: ApplicationFiled: July 16, 2015Publication date: January 21, 2016Applicant: Aktiebolaget SKFInventors: Sylvain BUSSIT, Amandine HOUART, Daniel JANSEN, Tommy JULLIEN, Thomas LEPINE, Bruno MONTBOEUF
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Patent number: 9194423Abstract: A rolling bearing device for a steering column includes an outer ring, an inner ring, at least one row of rolling elements arranged between the rings, and a sleeve mounted in the bore of the inner ring and coming to bear axially against the ring. The sleeve provides a bore designed to come into radial contact with a shaft, and a member for the axial retention of the sleeve that is designed to engage with the shaft. The sleeve has at least one elastic body at least partially delimiting the bore. The axial retention member is mounted to bear axially directly against the sleeve on the opposite side from the inner ring.Type: GrantFiled: July 7, 2014Date of Patent: November 24, 2015Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Daniel Jansen, Tommy Jullien, Thomas Lepine, Bruno Montboeuf
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Patent number: 9194431Abstract: A suspension thrust bearing (1) including at least one rolling bearing (7) forming an axial thrust bearing disposed on a lower cap (6) is provided. The lower cap (6) includes a body (8) with an annular rolling bearing portion (8a) for a spring (2) and a tubular portion (8d) including a bore (8e) in which a shock absorber bump stop (4) is inserted. An axial contact surface (8h) is defined on the lower portion of the bore (8e) of the tubular portion (8d) against which the shock absorber bump stop (4) when deformed exerts a radial force (F2). The tubular portion (8d) includes a reinforcing insert (10) located at the level of this axial contact surface (8h).Type: GrantFiled: April 2, 2014Date of Patent: November 24, 2015Assignee: AKTIEBOGAGET SKFInventors: Cedric Brouty, Sylvain Bussit, Christophe Houdayer, Hemanth G N Kumar, Pascal Quenardelle, Jean-Marc Soudee
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Patent number: 9163661Abstract: Rolling bearing assembly device comprising an outer race, an inner race, a row of rolling elements which is arranged between the outer and inner races, a sleeve mounted in the bore of the inner race, and an elastic preload element capable of transmitting an axial preload to the inner race, the elastic preload element being mounted in direct contact with the inner race and being able to be in contact with an annular axial centring portion of the sleeve. A radial bearing flange of the sleeve extends radially from the axial centring portion towards the outside of the device and bears axially over its entire periphery against the elastic preload element. The rolling bearing assembly device comprises an axial retention means bearing axially over its entire periphery against the radial bearing flange of the sleeve.Type: GrantFiled: May 31, 2013Date of Patent: October 20, 2015Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Daniel Jansen, Thomas Lepine, Bruno Montboeuf
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Patent number: 9140320Abstract: A vehicle transmission includes a housing part, a shaft extending from the housing part, and a spring element having a plurality of spring windings wound around the shaft, a first end of the spring element being fixed to the housing part. An actuating means is attached to a second end of the spring element and is configured to twist the second end in a circumferential direction of the spring element to thereby cause the spring element to tighten and frictionally contact an outer circumference of the shaft. The spring element is comprised of a hollow cylindrical metal base body having a helical-shaped incision that defines the plurality of spring windings. The incision may be formed in the hollow cylindrical base body by a plasma beam process, by a laser cutting process, by a flame cutting process or by a water jet cutting process.Type: GrantFiled: March 2, 2011Date of Patent: September 22, 2015Assignee: AKTIEBOLAGET SKFInventors: Helmut Hauck, Patrice Ribault, Sylvain Bussit
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Patent number: 9127712Abstract: The invention provides a rolling bearing assembly device having an inner race, an outer race, at least one row of rolling elements between the inner race and the outer race, and a sleeve mounted in the bore of the inner race. An annular elastic element is mounted axially between a radial bearing flange of the sleeve and the inner race, the elastic element having an inner bore that is able to bear against an outer surface of the sleeve so as to transmit a force having a radial component in the direction of the interior of the device. The sleeve includes at least one slot extending axially towards the inner race from a lower edge of the radial bearing flange, the lower edge being disposed on the opposite side from the inner race.Type: GrantFiled: April 24, 2014Date of Patent: September 8, 2015Assignee: AKTIEBOLAGET SKFInventors: Sylvain Bussit, Daniel Jansen, Tommy Jullien, Thomas Lepine, Bruno Montboeuf