Patents by Inventor Guillaume JOUANNO
Guillaume JOUANNO 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: 20230028328Abstract: The unit includes a lower support cap, an upper bearing cap, and at least one bearing disposed between the caps. The unit further includes at least one stiffening insert provided with a plurality of axial through-holes, through which connecting sections of a plastics cap are accommodated.Type: ApplicationFiled: July 1, 2022Publication date: January 26, 2023Inventors: Xavier Blanchard, Bruno Montboeuf, Guillaume Jouanno, Desire Vidot
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Patent number: 11491839Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device includes an upper annular bearing member and a lower annular bearing member in relative rotation. The lower annular bearing member having a body provided with an embedded stiffening insert. The device further provides a damping element made of resilient material and interposed between the lower annular bearing member and the suspension spring. A radial flange of the damping element prevents separation from the lower side of the radial flange of the lower cap.Type: GrantFiled: January 17, 2020Date of Patent: November 8, 2022Assignee: Aktiebolaget SKFInventors: Xavier Blanchard, Guillaume Jouanno, Bruno Montboeuf, Desire Vidot
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Patent number: 11396908Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device includes a bearing having upper and lower annular bearing members in relative rotation, the lower annular bearing member, and a damping element. An axial stiffening insert in a hub of lower annular bearing member provides a lower end curved towards the interior of the device. Lower annular bearing member has at least one slender groove opening radially outwards and having a bottom end opening axially downwards, the damping element providing a portion fitted within the slender groove.Type: GrantFiled: January 16, 2020Date of Patent: July 26, 2022Assignee: Aktiebolaget SKFInventors: Xavier Blanchard, Guillaume Jouanno, Bruno Montboeuf, Desire Vidot
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Patent number: 11370260Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device provides a bearing having upper and lower annular bearing members in relative rotation, lower bearing member having a lower cup having at least one protruding indexation element. The device also provides a damping element made of resilient material and interposed between the lower cup and the suspension spring. The indexation element is made of a different material than that of the lower cup, the lower cup being made of a rigid plastic material and the indexation element being made of a resilient material.Type: GrantFiled: April 3, 2020Date of Patent: June 28, 2022Inventors: Xavier Blanchard, Guillaume Jouanno, Bruno Montboeuf, Desire Vidot
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Publication number: 20200384820Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device provides a bearing having upper and lower annular bearing members in relative rotation, lower bearing member having a lower cup having at least one protruding indexation element. The device also provides a damping element made of resilient material and interposed between the lower cup and the suspension spring. The indexation element is made of a different material than that of the lower cup, the lower cup being made of a rigid plastic material and the indexation element being made of a resilient material.Type: ApplicationFiled: April 3, 2020Publication date: December 10, 2020Inventors: Xavier Blanchard, Guillaume Jouanno, Bruno Montboeuf, Desire Vidot
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Publication number: 20200240465Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device includes a bearing having upper and lower annular bearing members in relative rotation, the lower annular bearing member, and a damping element. An axial stiffening insert in a hub of lower annular bearing member provides a lower end curved towards the interior of the device. Lower annular bearing member has at least one slender groove opening radially outwards and having a bottom end opening axially downwards, the damping element providing a portion fitted within the slender groove.Type: ApplicationFiled: January 16, 2020Publication date: July 30, 2020Inventors: Xavier Blanchard, Guillaume Jouanno, Bruno Montboeuf, Desire Vidot
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Publication number: 20200238779Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device includes an upper annular bearing member and a lower annular bearing member in relative rotation. The lower annular bearing member having a body provided with an embedded stiffening insert. The device further provides a damping element made of resilient material and interposed between the lower annular bearing member and the suspension spring. A radial flange of the damping element prevents separation from the lower side of the radial flange of the lower cap.Type: ApplicationFiled: January 17, 2020Publication date: July 30, 2020Inventors: Xavier Blanchard, Guillaume Jouanno, Bruno Montboeuf, Desire Vidot
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Patent number: 10718240Abstract: The cam follower roller device provides a tappet body, a pin mounted into the tappet body, and a roller mounted on the pin and provided with an outer surface and with end faces, axially delimiting the outer surface. At least one lubricant supply through-hole is formed into the thickness of the tappet body and locally faces an edge of the roller delimited between the outer surface and one of the end faces.Type: GrantFiled: November 8, 2016Date of Patent: July 21, 2020Assignee: AKTIEBOLAGET SKFInventors: Benoit Hauvespre, Benoit Arnault, Nicolas Berruet, Guillaume Jouanno, Samuel Viault
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Cam follower, injection pump and valve actuator having such a cam follower, and manufacturing method
Patent number: 10006425Abstract: A cam follower is provided having a tappet that includes a cylindrical outer surface centered on a longitudinal axis and adapted to slide in a housing surrounding the tappet, a pin extending between two opposite ends along a transverse axis perpendicular to the longitudinal axis, a roller element movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam, and lubrication channels for lubricating the pin and the roller. The cam follower further provides a support element mounted in the tappet and supporting the pin, and the lubrication channels include at least one pair of consecutive channels formed through the tappet and the support element. The invention also provides an injection pump and a valve actuator for a motor vehicle, each having such a cam follower. The invention finally provides a method for manufacturing such a cam follower.Type: GrantFiled: March 28, 2016Date of Patent: June 26, 2018Assignee: AKTIEBOLAGET SKFInventors: Nicolas Berruet, François Champalou, Benoît Hauvespre, Guillaume Jouanno, Samuel Viault -
Patent number: 9869210Abstract: The invention concerns a cam follower providing a tappet having a cylindrical outer surface centered on a longitudinal axis (Y1) and adapted to slide in a housing surrounding the tappet, a pin extending between two opposite ends along a transverse axis (X1) perpendicular to the longitudinal axis, and a roller element movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam. The tappet is made of a composite material integrating at least one dry lubricant released at the cylindrical outer surface when the cam follower is in operation. The invention also concerns a valve actuator for a motor vehicle, providing such a cam follower. The invention also concerns a method for manufacturing such a cam follower.Type: GrantFiled: April 20, 2016Date of Patent: January 16, 2018Assignee: AKTIEBOLAGET SKFInventors: Guillaume Jouanno, Nicolas Berruet, François Champalou, Benoît Hauvespre, Samuel Viault
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Patent number: 9850785Abstract: A cam follower, comprising: a tappet which includes two flanges provided with opposite holes centered on a transverse axis; a pin extending along the transverse axis between two opposite ends received in the opposite holes; and a roller movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam. Each of the opposite holes is provided with: an open portion for mounting the pin by translation in a first direction perpendicular to the transverse axis, a cylindrical portion for supporting the pin along the first direction and a plane portion for retaining the pin along the transverse axis during transport and mounting of the cam follower. A method includes steps for manufacturing such a cam follower.Type: GrantFiled: January 25, 2016Date of Patent: December 26, 2017Assignee: AKTIEBOLAGET SKFInventors: Nicolas Berruet, François Champalou, Richard Corbett, Benoît Hauvespre, Guillaume Jouanno, Samuel Viault
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Publication number: 20170145877Abstract: The cam follower roller device provides a tappet body, a pin mounted into the tappet body, and a roller mounted on the pin and provided with an outer surface and with end faces, axially delimiting the outer surface. At least one lubricant supply through-hole is formed into the thickness of the tappet body and locally faces an edge of the roller delimited between the outer surface and one of the end faces.Type: ApplicationFiled: November 8, 2016Publication date: May 25, 2017Applicant: Aktiebolaget SKFInventors: Benoît Hauvespre, Benoit Arnault, Nicolas Berruet, Guillaume Jouanno, Samuel Viault
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Patent number: 9644729Abstract: A mechanical system forms a cam follower or a rocker arm and includes a support element, a pin extending between two opposite ends along a first axis and supported by the support element, and a roller mounted on the pin, movable in rotation relative to the pin around the first axis and adapted to roll on a cam. The support element includes a first axial abutment feature blocking the translation of a pin assembly including at least the pin, in a first direction parallel to a second axis perpendicular to the first axis. The mechanical system additionally includes an insert inserted in the support element and supporting the pin opposite the first axial abutment feature, wherein the first axial abutment feature protrudes outside a cavity delimited by the support element and receiving the pin.Type: GrantFiled: November 19, 2015Date of Patent: May 9, 2017Assignee: AKTIEBOLAGET SKFInventors: Nicolas Berruet, François Champalou, Benoît Hauvespre, Guillaume Jouanno, Samuel Viault
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Patent number: 9528397Abstract: A mechanical system forming a cam follower or a rocker arm; the mechanical system including a support element, a pin extending between two opposite ends along a first axis and supported by the support element, and a roller mounted on the pin, movable in rotation relative to the pin around the first axis and adapted to roll on a cam. The mechanical system further includes an insert made from separate parts and including holding members supporting the pin ends.Type: GrantFiled: November 19, 2015Date of Patent: December 27, 2016Assignee: AKTIEBOLAGET SKFInventors: Nicolas Berruet, François Champalou, Benoît Hauvespre, Guillaume Jouanno, Samuel Viault
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Publication number: 20160312665Abstract: The invention concerns a cam follower providing a tappet having a cylindrical outer surface centered on a longitudinal axis (Y1) and adapted to slide in a housing surrounding the tappet, a pin extending between two opposite ends along a transverse axis (X1) perpendicular to the longitudinal axis, and a roller element movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam. The tappet is made of a composite material integrating at least one dry lubricant released at the cylindrical outer surface when the cam follower is in operation. The invention also concerns a valve actuator for a motor vehicle, providing such a cam follower. The invention also concerns a method for manufacturing such a cam follower.Type: ApplicationFiled: April 20, 2016Publication date: October 27, 2016Applicant: Aktiebolaget SKFInventors: Guillaume Jouanno, Nicolas Berruet, François Champalou, Benoît Hauvespre, Samuel Viault
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CAM FOLLOWER, INJECTION PUMP AND VALVE ACTUATOR HAVING SUCH A CAM FOLLOWER, AND MANUFACTURING METHOD
Publication number: 20160281667Abstract: A cam follower is provided having a tappet that includes a cylindrical outer surface centered on a longitudinal axis and adapted to slide in a housing surrounding the tappet, a pin extending between two opposite ends along a transverse axis perpendicular to the longitudinal axis, a roller element movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam, and lubrication channels for lubricating the pin and the roller. The cam follower further provides a support element mounted in the tappet and supporting the pin, and the lubrication channels include at least one pair of consecutive channels formed through the tappet and the support element. The invention also provides an injection pump and a valve actuator for a motor vehicle, each having such a cam follower. The invention finally provides a method for manufacturing such a cam follower.Type: ApplicationFiled: March 28, 2016Publication date: September 29, 2016Applicant: Aktiebolaget SKFInventors: Nicolas Berruet, François Champalou, Benoît Hauvespre, Guillaume Jouanno, Samuel Viault -
Publication number: 20160230610Abstract: A cam follower, comprising: a tappet which includes two flanges provided with opposite holes centered on a transverse axis; a pin extending along the transverse axis between two opposite ends received in the opposite holes; and a roller movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam. Each of the opposite holes is provided with: an open portion for mounting the pin by translation in a first direction perpendicular to the transverse axis, a cylindrical portion for supporting the pin along the first direction and a plane portion for retaining the pin along the transverse axis during transport and mounting of the cam follower. A method includes steps for manufacturing such a cam follower.Type: ApplicationFiled: January 25, 2016Publication date: August 11, 2016Applicant: Aktiebolaget SKFInventors: Nicolas Berruet, François Champalou, Richard Corbett, Beoît Hauvespre, Guillaume Jouanno, Samuel Viault
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Publication number: 20160208902Abstract: A cam follower (configured to be driven by a cam) includes a tappet, a radial bore inside which a shaft is mounted, and a roller that is rotatably mounted around the shaft for providing a rolling contact with the cam. At least one of the inner bore and a radial surface of the shaft is coated with at least one of an anti-friction and a wear resistance coating layer. The coating layer includes polyetheretherketone.Type: ApplicationFiled: January 11, 2016Publication date: July 21, 2016Applicant: Aktiebolaget SKFInventors: Benoît HAUVESPRE, Guillaume JOUANNO
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Publication number: 20160160986Abstract: A mechanical system forms a cam follower or a rocker arm and includes a support element, a pin extending between two opposite ends along a first axis and supported by the support element, and a roller mounted on the pin, movable in rotation relative to the pin around the first axis and adapted to roll on a cam. The support element includes a first axial abutment feature blocking the translation of a pin assembly including at least the pin, in a first direction parallel to a second axis perpendicular to the first axis. The mechanical system additionally includes an insert inserted in the support element and supporting the pin opposite the first axial abutment feature, wherein the first axial abutment feature protrudes outside a cavity delimited by the support element and receiving the pin.Type: ApplicationFiled: November 19, 2015Publication date: June 9, 2016Applicant: AKTIEBOLAGET SKFInventors: Nicolas BERRUET, François CHAMPALOU, Benoît HAUVESPRE, Guillaume JOUANNO, Samuel VIAULT
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Publication number: 20160153322Abstract: A mechanical system forming a cam follower or a rocker arm; the mechanical system including a support element, a pin extending between two opposite ends along a first axis and supported by the support element, and a roller mounted on the pin, movable in rotation relative to the pin around the first axis and adapted to roll on a cam. The mechanical system further includes an insert made from separate parts and including holding members supporting the pin ends.Type: ApplicationFiled: November 19, 2015Publication date: June 2, 2016Applicant: AKTIEBOLAGET SKFInventors: Nicolas BERRUET, François CHAMPALOU, Benoît HAUVESPRE, Guillaume JOUANNO, Samuel VIAULT