Patents by Inventor Thomas Perrotin

Thomas Perrotin 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).

  • Publication number: 20180119732
    Abstract: A cam follower roller device having a tappet extending along a longitudinal axis and including a cylindrical tappet body defining a bore. The device further having a rolling assembly arranged within the bore, and including a support body with a base and flanges, a pin and a roller. Each of the flanges of the support body is provided with an outwardly protruding portion that extends transversally from the flange towards the tappet body. The tappet body includes a support diametrically opposed and having each a transverse surface that cooperates with the protruding portion of the support body to longitudinally block the support body.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 3, 2018
    Inventors: Samuel Viault, Charles Chambonneau, Mickael Chollet, Thomas Perrotin, Michel Rabin, Philippe Walter
  • Patent number: 9709096
    Abstract: A cage for a rolling bearing, wherein the cage is intended to ensure the circumferential spacing of a row of rolling elements. The cage comprises pockets for the rolling elements and connecting portions, each connecting portion connecting two successive pockets. At least one of the connecting portions is elastically deformable at least in a circumferential direction so as to allow the two associated pockets to move relative to one another in the circumferential direction.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: July 18, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Laurent Varnoux, Thierry Adane, Thomas Perrotin
  • Patent number: 9677614
    Abstract: A cage for a rolling bearing, wherein the cage is intended to ensure the circumferential spacing of a row of rolling elements. The cage comprises pockets for the rolling elements and connecting tabs. Each connecting tab connects two successive pockets. At least one recess is formed in a thickness of at least one of the tabs.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: June 13, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Laurent Varnoux, Thierry Adane, Thomas Perrotin
  • Patent number: 9677616
    Abstract: A bearing having an inner race, an outer race and a wear race mounted to press against an external face of one of the races and fastened on the race is provided. The wear race provides at least one annular flange locally covering an internal face of the race opposite the external face. The bearing further provides a sealing member fastened on the other race and includes at least one sealing lip in friction contact with the annular flange of the wear race.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: June 13, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Benoit Arnault, Stephane Gaultier, Thomas Perrotin, Philippe Walter
  • Publication number: 20170145868
    Abstract: The cam follower roller device providing a tappet body extending along an axis, an insert mounted in the tappet body, a pin mounted at least on the insert and a roller mounted on the pin. The device further provides a retaining washer mounted into a bore of the tappet body so as to axially retain the insert inside the tappet body. The tappet body provides retention means, cooperating with the washer to axially retain the washer relative to the tappet body. The retaining washer is axially interposed between the insert and the retention means.
    Type: Application
    Filed: November 8, 2016
    Publication date: May 25, 2017
    Applicant: Aktiebolaget SKF
    Inventors: Samuel Viault, Benoît Hauvespre, Thomas Perrotin
  • Publication number: 20170145867
    Abstract: The cam follower roller device provides a tappet body extending along an axis, an insert mounted in the tappet body, a pin mounted at least on the insert and a roller mounted on the pin. The device further provides a spacer having a body mounted axially against the insert and with retaining means, cooperating with the insert for fixing the spacer to the insert.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 25, 2017
    Applicant: Aktiebolaget SKF
    Inventors: Samuel Viault, Benoît Hauvespre, Thomas Perrotin
  • Publication number: 20170130616
    Abstract: The cam follower roller device provides a tappet body 12, an insert 18 mounted in the tappet body and provided with a central core 24 and with at least two side tabs 26, 28, a pin 14 mounted at least on the tabs of the insert, and a roller 16 mounted on the pin. The insert 18 further provides at least one stiffener 44, 46 disposed between the core 24 and each tab 26, 28.
    Type: Application
    Filed: October 20, 2016
    Publication date: May 11, 2017
    Applicant: Aktiebolaget SKF
    Inventors: Samuel Viault, Benoît Hauvespre, Thomas Perrotin
  • Publication number: 20160273585
    Abstract: A roller bearing having a first ring, a second ring, at least one row of rolling elements arranged between the rings, and a cage for keeping the rolling elements circumferential in relation to one another. The cage includes first axial retaining means for the first ring and second axial retaining means for the second ring.
    Type: Application
    Filed: March 16, 2016
    Publication date: September 22, 2016
    Applicant: Aktiebolaget SKF
    Inventor: Thomas Perrotin
  • Publication number: 20160273586
    Abstract: A bearing having an inner race, an outer race and a wear race mounted to press against an external face of one of the races and fastened on the race is provided. The wear race provides at least one annular flange locally covering an internal face of the race opposite the external face. The bearing further provides a sealing member fastened on the other race and includes at least one sealing lip in friction contact with the annular flange of the wear race.
    Type: Application
    Filed: March 11, 2016
    Publication date: September 22, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Benoit Arnault, Stephane Gaultier, Thomas Perrotin, Philippe Walter
  • Publication number: 20160003297
    Abstract: A cage for a rolling bearing, wherein the cage is intended to ensure the circumferential spacing of a row of rolling elements. The cage comprises pockets for the rolling elements and connecting tabs. Each connecting tab connects two successive pockets. At least one recess is formed in a thickness of at least one of the tabs.
    Type: Application
    Filed: January 23, 2014
    Publication date: January 7, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Laurent VARNOUX, Thierry ADANE, Thomas PERROTIN
  • Publication number: 20150354630
    Abstract: A cage for a rolling bearing, wherein the cage is intended to ensure the circumferential spacing of a row of rolling elements. The cage comprises pockets for the rolling elements and connecting portions, each connecting portion connecting two successive pockets. At least one of the connecting portions is elastically deformable at least in a circumferential direction so as to allow the two associated pockets to move relative to one another in the circumferential direction.
    Type: Application
    Filed: January 23, 2014
    Publication date: December 10, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Laurent VARNOUX, Thierry ADANE, Thomas PERROTIN
  • Patent number: 9097282
    Abstract: Cage for a rolling bearing comprising a plurality of pockets (13) for a plurality of rolling elements (4), at least one pocket (13) being of ellipsoidal shape and provided with means (14) of axial retention of the cage (10) on the corresponding rolling element (4), the ellipse defining the said ellipsoidal pocket (13) being determined by a major axis (A) situated in the circumferential plane of the cage (10) and a minor axis (B) in the axial direction of the cage (10). The minor axis (B) is comprised between the major axis (A) and the diameter (D) of the rolling element (4) arranged in the said ellipsoidal pocket (13).
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: August 4, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Thierry Adane, Thomas Perrotin, Laurent Varnoux
  • Publication number: 20150211577
    Abstract: A cage for a bearing for electric steering for a motor vehicle. The cage is designed to provide circumferential spacing of a row of roller elements, including an annular heel axially extended by separating portions that define cavities for the roller elements therebetween. The cavities radially extending from either side of the cage. The inner diameter of the separating portions is greater than the inner diameter of the annular heel.
    Type: Application
    Filed: August 14, 2013
    Publication date: July 30, 2015
    Inventors: Thierry Adane, Thomas Perrotin, Laurent Varnoux
  • Patent number: 9057404
    Abstract: A rolling bearing cage provides a circumferential spacing of a row of rolling elements and comprises first pockets configured to accommodate first rolling elements of the row of rolling elements. The first pockets are provided with axial retention portions configured to retain the rolling bearing cage on the first rolling elements. Second pockets are configured to accommodate second rolling elements of the row of rolling elements and not provided with axial retention portions configured to retain the cage on the second rolling elements. Separation portions are provided which between the separation portions delimit the first and second pockets. Each of the separation portions delimiting one of the first pockets comprises a notch open in an axial direction and open in opposing radial directions.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: June 16, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Thierry Adane, Thomas Perrotin, Laurent Varnoux
  • Patent number: 9011016
    Abstract: Rolling bearing cage (5) for an electric steering system of a motor vehicle, designed to ensure the circumferential spacing of the balls (4), comprising a plurality of first sockets (8) provided with means (8a) for axially retaining the cage (5) on a ball (4) and a plurality of second sockets (9) without means for axially retaining the cage (5) on a ball (4). Each of the first sockets (8), with a ball (4) housed in the first corresponding socket (8), has a first axial clearance, a first radial clearance and a first circumferential clearance (J1c) and each of the second sockets (9), with a ball (4) housed in the second corresponding socket (9), has a second axial clearance, a second radial clearance and a second circumferential clearance (J2c).
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: April 21, 2015
    Assignee: Aktiebolaget SKF
    Inventors: Thierry Adane, Thomas Perrotin, Laurent Varnoux
  • Patent number: 8920038
    Abstract: A cage for a rolling bearing which cage is intended to ensure the circumferential spacing of a row of rolling elements and comprises first pockets 28 for first rolling elements of the row, which pockets are provided with axial retention means 38, 46 for the axial retention of the cage onto the said rolling elements, and second pockets 26 for the second rolling elements of the row, which pockets have no axial retention means for retaining the cage on the said rolling elements. The distribution of the first pockets 28 about the periphery of the cage is uneven.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: December 30, 2014
    Assignee: Aktiebolaget SKF
    Inventors: Laurent Varnoux, Thierry Adane, Thomas Perrotin
  • Publication number: 20140348458
    Abstract: Cage for a rolling bearing comprising a plurality of pockets (13) for a plurality of rolling elements (4), at least one pocket (13) being of ellipsoidal shape and provided with means (14) of axial retention of the cage (10) on the corresponding rolling element (4), the ellipse defining the said ellipsoidal pocket (13) being determined by a major axis (A) situated in the circumferential plane of the cage (10) and a minor axis (B) in the axial direction of the cage (10). The minor axis (B) is comprised between the major axis (A) and the diameter (D) of the rolling element (4) arranged in the said ellipsoidal pocket (13).
    Type: Application
    Filed: November 27, 2013
    Publication date: November 27, 2014
    Applicant: Aktiebolaget SKF
    Inventors: Thierry Adane, Thomas Perrotin, Laurent Varnoux
  • Patent number: 8864385
    Abstract: This rolling bearing comprises an outer ring (4), an inner ring (6), rolling bodies (10) arranged between the outer ring and the inner ring, one a sealing gasket (20) mounted on a first ring (4) and extending towards the second ring (6), to the extent that a sealing edge (26) of said sealing gasket is in sliding contact with the second ring. An annular shield (50) is mounted on the second ring (62) and extends radially towards the first ring (4). This shield (50) is provided with at least one annular lip (58) in sliding contact with a lateral face (28) of the sealing gasket (20).
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: October 21, 2014
    Assignee: Aktiebolaget SKF
    Inventors: Laurent Varnoux, Thomas Perrotin
  • Publication number: 20140105531
    Abstract: A cage for a rolling bearing which cage is intended to ensure the circumferential spacing of a row of rolling elements and comprises first pockets 28 for first rolling elements of the row, which pockets are provided with axial retention means 38, 46 for the axial retention of the cage onto the said rolling elements, and second pockets 26 for the second rolling elements of the row, which pockets have no axial retention means for retaining the cage on the said rolling elements. The distribution of the first pockets 28 about the periphery of the cage is uneven.
    Type: Application
    Filed: October 14, 2013
    Publication date: April 17, 2014
    Applicant: Aktiebolaget SKF
    Inventors: Laurent Varnoux, Thierry Adane, Thomas Perrotin
  • Publication number: 20140054102
    Abstract: The rolling bearing cage is intended to provide the circumferential spacing of a row of rolling elements and comprises first pockets 32 for first rolling elements of the row, these pockets being provided with axial retention means 34 for retaining the cage on the rolling elements, second pockets 24 for second rolling elements of the row and not provided with axial retention means for retaining the cage on the rolling elements, and separation portions 22, 30 which between them delimit first and second pockets. Each separation portion 30 delimiting one of the first pockets comprises a notch 40 which is open axially and opens radially onto each side of the separation portion.
    Type: Application
    Filed: August 22, 2013
    Publication date: February 27, 2014
    Applicant: AKTIEBOLAGET SKF
    Inventors: Thierry Adane, Thomas Perrotin, Laurent Varnoux