Patents by Inventor Pierre-Yves Bilteryst
Pierre-Yves Bilteryst 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: 11353064Abstract: The present invention relates to a motor vehicle rotary electric machine (100) drive assembly, the drive assembly comprising a rotor shaft (2) extending along a longitudinal axis (X) and a connecting piece (4) providing connection between the shaft and the torque transmission system comprising a bore (41) for the passage of the rotor shaft, the drive assembly being characterized in that the bore comprises a first wall (41a) extending axially and a cylindrical second wall (41b) extending axially in alignment with the first wall, and in that the rotor shaft comprises: —a first surface (21) extending axially and cooperating with the first wall of the bore to centre the connecting piece around the rotor shaft; and—a second cylindrical surface (22) extending axially and provided with knurling, with a diameter (A) greater than the diameter (A?) of the second wall of the bore, the connecting piece being force-fitted onto the rotor shaft by means of the knurling.Type: GrantFiled: June 27, 2018Date of Patent: June 7, 2022Assignee: Valeo Equipements Electriques MoteurInventors: Jimmy Chaillou, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Mohamed El-Ghazal, Lionel Delecroix, Hubert Debruyne
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Patent number: 11075551Abstract: A stator of a rotary electrical machine has a stator body formed by a stack of metal sheets. The stator body is delimited by inner and outer radial surfaces. Notches in the stator body extend axially. Each notch has a notch base and a notch opening, and the notch opening is on the side of the inner radial surface. A stator winding is supported by the stator body, and the winding has a plurality of winding parts. Each part is accommodated in one of the notches. Each of the notches at the notch opening has a closure element. Each winding par in a notch is retained between the notch base and the closure element. The closure elements are formed by offsetting at least one of the metal sheets of an adjacent notch in the direction of the notch.Type: GrantFiled: July 22, 2019Date of Patent: July 27, 2021Assignee: Valeo Equipements Electriques MoteurInventors: Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Patrice Balthaze, Julien Battut
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Patent number: 10840749Abstract: A rotary electric machine stator (2) includes a stator body (20) and a stator winding (22) supported by the stator body (20), in which the stator body extends around an axis (X) while being delimited by an internal radial surface (3) and an external radial surface (4), said stator bodies having a plurality of teeth (6) formed respectively between two slots (5) arranged in said stator body from the internal radial surface and extending axially to receive at least one stator winding element (22). The stator has at least one deformed tooth (6) which comprises, at its loose end (7) helping to define the internal radial surface, at least one protrusion (10) extending across an adjacent slot, said protrusion (10) being obtained by material deformation of said deformed tooth (6).Type: GrantFiled: February 12, 2018Date of Patent: November 17, 2020Assignee: Valeo Equipements Electriques MoteurInventors: Jimmy Chaillou, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Mohamed El-Ghazal
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Publication number: 20200149591Abstract: The present invention relates to a motor vehicle rotary electric machine (100) drive assembly, the drive assembly comprising a rotor shaft (2) extending along a longitudinal axis (X) and a connecting piece (4) providing connection between the shaft and the torque transmission system comprising a bore (41) for the passage of the rotor shaft, the drive assembly being characterized in that the bore comprises a first wall (41a) extending axially and a cylindrical second wall (41b) extending axially in alignment with the first wall, and in that the rotor shaft comprises:—a first surface (21) extending axially and cooperating with the first wall of the bore to centre the connecting piece around the rotor shaft; and—a second cylindrical surface (22) extending axially and provided with knurling, with a diameter (A) greater than the diameter (A?) of the second wall of the bore, the connecting piece being force-fitted onto the rotor shaft by means of the knurling.Type: ApplicationFiled: June 27, 2018Publication date: May 14, 2020Applicant: Valeo Equipements Electriques MoteurInventors: Jimmy Chaillou, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Mohamed El-Ghazal, Lionel Delecroix, Hubert Debruyne
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Patent number: 10566868Abstract: A rotor (2), especially for an electrical rotating machine, for example for an alternator, comprising an electric winding (100) formed by at least one electric wire (101), the wire comprising: at least one first portion (104) wound as at least one turn of the winding; a transverse section with at least one flat (115) along the first portion; at least one second portion (105) allowing the connection of the winding to an electric circuit; and an essentially circular transverse section along the second portion.Type: GrantFiled: June 2, 2014Date of Patent: February 18, 2020Assignee: Valeo Equipments Electriques MoteurInventors: David Margueritte, Henri Delianne, Pierre-Yves Bilteryst
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Publication number: 20190393742Abstract: A stator of a rotary electrical machine has a stator body formed by a stack of metal sheets. The stator body is delimited by inner and outer radial surfaces. Notches in the stator body extend axially. Each notch has a notch base and a notch opening, and the notch opening is on the side of the inner radial surface. A stator winding is supported by the stator body, and the winding has a plurality of winding parts. Each part is accommodated in one of the notches. Each of the notches at the notch opening has a closure element. Each winding par in a notch is retained between the notch base and the closure element. The closure elements are formed by offsetting at least one of the metal sheets of an adjacent notch in the direction of the notch.Type: ApplicationFiled: July 22, 2019Publication date: December 26, 2019Inventors: Pierre-Yves BILTERYST, Henri DELIANNE, David MARGUERITTE, Eric JOZEFOWIEZ, Sylvain PERREAUT, Patrice BALTHAZE, Julien BATTUT
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Patent number: 10284035Abstract: A rotary electrical machine comprising a front magnet wheel, a rear magnet wheel, and a shaft comprising four sections with respective diameters (D1, D2, D3, D4), distributed axially, wherein: the first section comprises knurling which is configured such as to ensure radial retention between the shaft and the front magnet wheel; the second section is configured to permit the indexing and centring of the front and rear magnet wheels; the third section comprises knurling which is configured to ensure radial retention between the shaft and the rear magnet wheel; and the fourth section comprises a collar which is configured to ensure the axial retention between the shaft and at least one magnet wheel, and in that the diameters (D1, D2, D3, D4) of the shaft comply with the following equation: D1<D2<D3<D4.Type: GrantFiled: September 2, 2016Date of Patent: May 7, 2019Assignee: Valeo Equipements Electriques MoteurInventors: Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Patrice Balthaze, Eric Jozefowiez, Franck Mouret, Sylvain Perreaut, Hubert Debruyne
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Patent number: 10277087Abstract: An insulating device (10) of a rotor winding, which includes a device for positioning the insulator relative to a pole wheel including teeth and spaces between the teeth, which comprises at least two feet (102) on a surface (101) of the insulator that engages with a surface of the pole wheel, the feet each having at least two separate contacts among the following contacts: contact on a side surface of one tooth; contact on a side surface of an adjacent tooth; contact on an interstitial surface between one tooth and the adjacent tooth.Type: GrantFiled: February 20, 2015Date of Patent: April 30, 2019Assignee: Valeo Equipments Electriques MoteurInventors: Patrice Balthaze, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Michel Bocquel
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Patent number: 10250088Abstract: The pole wheel according to the invention is intended for the rotor of a Lundell rotating electric machine. The pole wheel is obtained entirely by forging and comprises a central core provided with a central bore in a central axis of the pole wheel intended to receive a shaft of the rotor, a plurality of pole teeth (10g, 11g) distributed in a regular manner at the circumference of the pole wheel and extending substantially parallel to the central axis of the pole wheel, and an annular part forming a plate and extending between the central core and parts forming bases of the pole teeth. According to the invention, the pole wheel comprises a plurality of reservoirs (105) provided in the parts forming bases of the pole teeth.Type: GrantFiled: March 2, 2015Date of Patent: April 2, 2019Assignee: Valeo Equipements Electriques MoteurInventors: Michel Bocquel, Henri Delianne, Pierre-Yves Bilteryst, Herve Ribot
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Patent number: 10193404Abstract: Rotor an alternator or alternator-starter type comprises two pole wheels including a series of axial claws having a generally trapezoidal shape that extend axially from the edge of the outer radial end of one pole wheel towards the other pole wheel. The rotor comprises an interpolar magnetic assembly in the interpolar space between a first claw of a first pole wheel and a second claw of a second pole wheel. The magnetic assembly comprises two first faces defined by first and second free ends. A side face is also provided, such that the adjacent side face faces same, the side face comprising third and fourth opposing ends between which the magnet is in contact. The side faces of the first and second claws define a reduction in cross-section from one of the free ends of the magnetic assembly extending towards a claw head end along a side facet.Type: GrantFiled: December 13, 2013Date of Patent: January 29, 2019Assignee: VALEO EQUIPEMENTS ELECTRIQUES MOTEURInventors: Henri Delianne, Pierre-Yves Bilteryst
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Publication number: 20180233969Abstract: A rotary electric machine stator (2) includes a stator body (20) and a stator winding (22) supported by the stator body (20), in which the stator body extends around an axis (X) while being delimited by an internal radial surface (3) and an external radial surface (4), said stator bodies having a plurality of teeth (6) formed respectively between two slots (5) arranged in said stator body from the internal radial surface and extending axially to receive at least one stator winding element (22). The stator has at least one deformed tooth (6) which comprises, at its loose end (7) helping to define the internal radial surface, at least one protrusion (10) extending across an adjacent slot, said protrusion (10) being obtained by material deformation of said deformed tooth (6).Type: ApplicationFiled: February 12, 2018Publication date: August 16, 2018Applicant: Valeo Equipements Electriques MoteurInventors: Jimmy Chaillou, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Mohamed El-Ghazal
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Publication number: 20170170699Abstract: An insulating device (10) of a rotor winding, which includes a device for positioning the insulator relative to a pole wheel including teeth and spaces between the teeth, which comprises at least two feet (102) on a surface (101) of the insulator that engages with a surface of the pole wheel, the feet each having at least two separate contacts among the following contacts: contact on a side surface of one tooth; contact on a side surface of an adjacent tooth; contact on an interstitial surface between one tooth and the adjacent tooth.Type: ApplicationFiled: February 20, 2015Publication date: June 15, 2017Inventors: Patrice BALTHAZE, Pierre-Yves BILTERYST, Henri DELIANNE, David MARGUERITTE, Michel BOCQUEL
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Publication number: 20170133893Abstract: A stator of a rotary electrical machine has a stator body formed by a stack of metal sheets. The stator body is delimited by inner and outer radial surfaces. Notches in the stator body extend axially. Each notch has a notch base and a notch opening, and the notch opening is on the side of the inner radial surface. A stator winding is supported by the stator body, and the winding has a plurality of winding parts. Each part is accommodated in one of the notches. Each of the notches at the notch opening has a closure element. Each winding par in a notch is retained between the notch base and the closure element. The closure elements are formed by offsetting at least one of the metal sheets of an adjacent notch in the direction of the notch.Type: ApplicationFiled: November 9, 2016Publication date: May 11, 2017Inventors: Pierre-Yves BILTERYST, Henri DELIANNE, David MARGUERITTE, Eric JOZEFOWIEZ, Sylvain PERREAUT, Patrice BALTHAZE, Julien BATTUT
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Publication number: 20170093234Abstract: The pole wheel according to the invention is intended for the rotor of a Lundell rotating electric machine. The pole wheel is obtained entirely by forging and comprises a central core provided with a central bore in a central axis of the pole wheel intended to receive a shaft of the rotor, a plurality of pole teeth (10g, 11g) distributed in a regular manner at the circumference of the pole wheel and extending substantially parallel to the central axis of the pole wheel, and an annular part forming a plate and extending between the central core and parts forming bases of the pole teeth. According to the invention, the pole wheel comprises a plurality of reservoirs (105) provided in the parts forming bases of the pole teeth.Type: ApplicationFiled: March 2, 2015Publication date: March 30, 2017Inventors: Michel BOCQUEL, Henri DELIANNE, Pierre-Yves BILTERYST, Herve RIBOT
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Publication number: 20170070110Abstract: A rotary electrical machine comprising a front magnet wheel, a rear magnet wheel, and a shaft comprising four sections with respective diameters (D1, D2, D3, D4), distributed axially, wherein: the first section comprises knurling which is configured such as to ensure radial retention between the shaft and the front magnet wheel; the second section is configured to permit the indexing and centring of the front and rear magnet wheels; the third section comprises knurling which is configured to ensure radial retention between the shaft and the rear magnet wheel; and the fourth section comprises a collar which is configured to ensure the axial retention between the shaft and at least one magnet wheel, ?and in that the diameters (D1, D2, D3, D4) of the shaft comply with the following equation: D1<D2<D3<D4.Type: ApplicationFiled: September 2, 2016Publication date: March 9, 2017Inventors: Pierre-Yves BILTERYST, Henri DELIANNE, David MARGUERITTE, Patrice BALTHAZE, Eric JOZEFOWIEZ, Franck MOURET, Sylvain PERREAUT, Hubert DEBRUYNE
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Publication number: 20160134164Abstract: A rotor (2), especially for an electrical rotating machine, for example for an alternator, comprising an electric winding (100) formed by at least one electric wire (101), the wire comprising: at least one first portion (104) wound as at least one turn of the winding; a transverse section with at least one flat (115) along the first portion; at least one second portion (105) allowing the connection of the winding to an electric circuit; and an essentially circular transverse section along the second portion.Type: ApplicationFiled: June 2, 2014Publication date: May 12, 2016Inventors: David MARGUERITTE, Henri DELIANNE, Pierre-Yves BILTERYST
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Publication number: 20150333578Abstract: Rotor an alternator or alternator-starter type comprises two pole wheels including a series of axial claws having a generally trapezoidal shape that extend axially from the edge of the outer radial end of one pole wheel towards the other pole wheel. The rotor comprises an interpolar magnetic assembly in the interpolar space between a first claw of a first pole wheel and a second claw of a second pole wheel. The magnetic assembly comprises two first faces defined by first and second free ends. A side face is also provided, such that the adjacent side face faces same, the side face comprising third and fourth opposing ends between which the magnet is in contact. The side faces of the first and second claws define a reduction in cross-section from one of the free ends of the magnetic assembly extending towards a claw head end along a side facet.Type: ApplicationFiled: December 13, 2013Publication date: November 19, 2015Inventors: Henri DELIANNE, Pierre-Yves BILTERYST
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Patent number: 8531081Abstract: A method for producing a rotor assembly for a rotating electrical machine, especially an alternator, the rotor assembly including two rotors defining between themselves at least one inter-rotor space suitable for accommodating at least one magnet structure, which includes at least one index mark. The magnet structure is positioned against at least two of the rotors, using the index mark to identify a direction of orientation of the magnetization of the magnet structure.Type: GrantFiled: November 24, 2008Date of Patent: September 10, 2013Assignee: Valeo Equipements Electriques MoteurInventors: Olivier Gas, Pierre-Yves Bilteryst, Alexandre Pfleger
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Patent number: 8237323Abstract: An electrical rotating machine rotor, in particular for a motor vehicle, comprising a central shaft, an annular core coaxial with the shaft and two polar wheels which are axially arranged on either side of the core, of the type wherein the shaft includes at least one drive section which is axially force-fitted into a fixing bore of at least one component of the rotor so as to secure in rotation at least one of the two polar wheels of the rotor to the shaft, an intermediate sleeve being radially interposed between each polar wheel and the central shaft, and on which sleeve is mounted said polar wheel. The invention also concerns a method for making such a rotor.Type: GrantFiled: March 31, 2006Date of Patent: August 7, 2012Assignee: Valeo Equipements Electriques MoteurInventors: Jean-Philippe Badey, Romaric Lenoir, Marc Tunzini, Pierre-Yves Bilteryst
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Patent number: 7969061Abstract: A method for producing a claw-pole rotor, including: a step of mounting polar wheels on the shaft in such a way that each tooth of a polar wheel is located in the existing space between two consecutive teeth of the other polar wheel; a step of machining the lateral faces facing two adjacent teeth, whereby an axial groove is machined in each lateral face; and a step of mounting a magnetic element between two adjacent teeth such that the magnetic element is received in the axial grooves. The method is characterized in that the step of machining lateral faces is carried out before the step of mounting polar wheels on the shaft. The invention also relates to a rotor obtained by such a method.Type: GrantFiled: April 26, 2007Date of Patent: June 28, 2011Assignee: Valeo Equipments Electriques MoteurInventors: Jean-Philippe Badey, Romaric Lenoir, Marc Tunzini, Pierre-Yves Bilteryst