Patents Assigned to Moteurs Leroy-Somer
  • Patent number: 10892666
    Abstract: Disclosed is a double-casing frame of an electric machine that is cooled by a fluid circulating in the fluid circulation space (26) inside the double casing, said double-casing frame comprising: an inner casing (22) on which an end flange (30) is mounted at the rear of the machine; and an outer casing (24) that fits over the inner casing (22) and can be separated from the inner casing (22) without removing the end flange (30).
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: January 12, 2021
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Thierry Pera, Philippe Ciciliani, Yohan Kerever, Hamza Lofti
  • Publication number: 20200398669
    Abstract: An assembly, having a generator and electric motors, for a vehicle air-conditioning or cooling system, having: a compressor intended to be driven by a heat engine, a top-up electric motor for driving the compressor when the latter is not or cannot be driven by the heat engine, a generator with permanent magnets having a shaft which can be driven in rotation by the heat engine, the generator and the top-up electric motor being disposed on this shaft, one or more condenser and/or evaporator electric motors of a vehicle air-conditioning or cooling system, said electric motors being configured to be powered by a direct current, the generator powering the electric motor or motors through a converter configured to supply a direct current, notably a low-voltage controller.
    Type: Application
    Filed: December 21, 2018
    Publication date: December 24, 2020
    Applicant: MOTEURS LEROY SOMER
    Inventors: Nicolas NAY, Sébastien CHARENTON, Stéphane DUFAU, Matthieu ROBIN
  • Patent number: 10779446
    Abstract: Device (1) for cooling at least one power electronics circuit (4), including: a liquid-cooled heatsink (2); and an interface plate (3) that is in thermal contact with the heatsink (2) and to which the one or more power electronics circuits (4) are attached, the interface plate (3), including at least one thermosiphon (6), being removably mounted on the heatsink (2) so as to be capable of being separated therefrom with the one or more electronic circuits (4) attached thereto.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: September 15, 2020
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Ludovic Bourlier, Aurelien Courage, Thierry Crespo
  • Publication number: 20200244150
    Abstract: A method for manufacturing a rotor of a rotary electric machine, including a stack of magnetic laminations defining the slots in which bars made from a first electrically conducting material are received, in which method a second electrically conducting material, different from the first, is injected using an injection machine, from the front of the laminations stack, the bars being held at their rear end against the pressure associated with the injection by a positioning tool that passes through a cavity used for forming a short-circuiting ring at the rear of the laminations stack.
    Type: Application
    Filed: July 30, 2018
    Publication date: July 30, 2020
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Sébastien PORCHER, Thierry VISSE, Stéphane BOULIN, François TURCAT
  • Patent number: 10651707
    Abstract: A rotary electric machine that includes a rotor and a stator and is cooled by a stream of air generated by at least one fan. The fan is driven by a main shaft of the machine or by its own drive system. The fan includes main blades (33) for generating a stream of cooling air and, upstream of said main blades, tins which at least partially cover coil heads of the stator in the axial direction.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: May 12, 2020
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Vit Zahradsky, Alexis Dutau
  • Publication number: 20200119604
    Abstract: A rotary electric machine having a stator, and a rotor having a shaft and permanent magnets on the surface of the shaft, the permanent magnets having a face of concave overall shape directed toward the stator.
    Type: Application
    Filed: June 12, 2018
    Publication date: April 16, 2020
    Applicant: MOTEURS LEROY-SOMER
    Inventor: Dominique JOURDAN
  • Publication number: 20200053907
    Abstract: An assembly comprising: an electronic device (1), in particular a variable speed drive or alternator regulator, comprising a casing, the rear of which is equipped with a heat sink (10), produced from a metal profile section, for cooling at least one power component; a first assembly of elements (20) for attaching the device on a support, each comprising at least one tab to be engaged in the profile section by sliding it therein, and an attachment lug provided with at least one screw through-hole; a second assembly of elements for attaching the device on a support, each comprising at least one tab to be engaged in the profile section by sliding it therein, and an attachment lug provided with at least one screw through-hole, the elements being of different shapes.
    Type: Application
    Filed: January 16, 2018
    Publication date: February 13, 2020
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Samuel MOSER, Christophe GUITTON, Christophe MONCHATRE, Jean-Francois PAILLOU
  • Publication number: 20200053906
    Abstract: An electronic device, in particular a variable speed drive or alternator regulator, comprising a heat sink (10) and a power card comprising a printed circuit board, housed in a casing, characterized in that it comprises a part (100) attached, on the one hand, to the heat sink (10) and attached, on the other hand, to the board and coming into contact with at least one conductive track of the power card, so as to provide an electrical contact between the heat sink and said track, said part (100) having a face that is accessible from the outside of the device for attaching a lug connected to a ground and/or an earth cable.
    Type: Application
    Filed: January 16, 2018
    Publication date: February 13, 2020
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Samuel MOSER, Christophe GUITTON, Sylvain GIRAUD, Jeremy FRATANI
  • Publication number: 20200052630
    Abstract: An electronic device, in particular an alternator regulator, comprising a power stage to be connected to an inductive load, in particular to an alternator inductor, comprising at least one first pair of power transistors connected to a terminal of a DC bus, and a control circuit for said transistors, the transistors being disposed in parallel between said terminal of the DC bus and a first output to be connected to the load, at least one flyback diode connecting the opposite terminal of the DC bus to the first output, the control circuit being designed to generate a pulsed control signal for regulating the current in the load and for detecting a failure of one of the transistors, the control circuit being designed, during normal operation, to send the control signal to one of the transistors of the first pair, while maintaining the other transistor of said pair in an off-state.
    Type: Application
    Filed: January 16, 2018
    Publication date: February 13, 2020
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Samuel MOSER, Jeremy FRATANI, Vincent MORISSEAU, Jean-Francois PAILLOU
  • Patent number: 10536060
    Abstract: A method for producing an electric rotary machine including a rotor magnetic mass formed by a stack of superimposed electrical sheets containing housings, and a plurality of permanent magnets inserted in the housings, the housings being provided with a plurality of lugs for locking the permanent magnets in the housings.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: January 14, 2020
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Alban Marino, François Turcat, Stéphane Dufau, Mario Pereira
  • Publication number: 20200014274
    Abstract: The invention relates to a stator for an electric motor, including at least one winding of a wire made of an electrical conductor composed primarily of aluminum covered with a thickness of between 30 and 100 ?m of an insulator including at least one polymer chosen from among the polyaryletherketones (PAEK).
    Type: Application
    Filed: July 5, 2019
    Publication date: January 9, 2020
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Benoit Petitgas, Nicolas Tanguy, Anne Gimenez, Joel Lassoudiere
  • Publication number: 20190386549
    Abstract: An axial flux rotary electric machine including at least one stator and at least one rotor that are arranged along an axis of rotation of the machine, the rotor including a rotor mass and housings created in the rotor mass, the housings defining magnetic poles of the rotor, each of the housings being able to contain or not contain at least one permanent magnet.
    Type: Application
    Filed: February 14, 2018
    Publication date: December 19, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Dany PRIETO, Paul AKIKI, Xavier JANNOT, Benjamin DAGUSE
  • Publication number: 20190373762
    Abstract: An electronic device (1), in particular a variable speed drive or alternator regulator, comprising at least one power component mounted on a heat sink (10) and a plurality of capacitors extending through at least one opening of the heat sink, characterized in that it comprises a recess, which accommodates a sheet seal that is applied, on the one hand, on an internal face of the heat sink and, on the other hand, on an internal face facing a casing fitted onto the heat sink, with the internal faces of the heat sink and of the casing coming into contact.
    Type: Application
    Filed: January 16, 2018
    Publication date: December 5, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Samuel MOSER, Christophe GUITTON, Renaud LEBLANC, Vincent MORISSEAU
  • Patent number: 10491063
    Abstract: The present invention concerns a rotor of a rotating electric machine, comprising a rotor body (2) in which recesses (3) are provided in such a way as to define the poles (4) of the rotor, in particular at least three recesses per pole, each pole having a radial axis of the pole, the recesses (3) having an elongated shape and each comprising two short sides, the recesses being disposed in one or a plurality of rows per pole, one row comprising at least two, or indeed at least three recesses (3) disposed consecutively, the short sides thereof defining, between two consecutive recesses of a given row, a material bridge, said material bridge generally extending along a longitudinal axis (2) of the bridge oriented closer to the radial axis of the corresponding pole of the rotor, the further one is from the rotational axis.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: November 26, 2019
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Samuel Koechlin
  • Publication number: 20190335604
    Abstract: An electronic device (1), in particular a variable speed drive or alternator regulator, comprising a casing, the front of which has a housing for accommodating an ancillary module, a hatch (150) for closing said housing, and an electronic circuit comprising an interface card defining a housing for accommodating a memory card, opening into the housing for accommodating the ancillary module
    Type: Application
    Filed: January 16, 2018
    Publication date: October 31, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Samuel MOSER, Christophe GUITTON, David RICHARD, Jean-Francois PAILLOU
  • Publication number: 20190305642
    Abstract: Disclosed is a double-casing frame of an electric machine that is cooled by a fluid circulating in the fluid circulation space (26) inside the double casing, said double-casing frame comprising: an inner casing (22) on which an end flange (30) is mounted at the rear of the machine; and an outer casing (24) that fits over the inner casing (22) and can be separated from the inner casing (22) without removing the end flange (30).
    Type: Application
    Filed: June 6, 2017
    Publication date: October 3, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Thierry PERA, Philippe CICILIANI, Yohan KEREVER, Hamza LOFTI
  • Patent number: 10432049
    Abstract: A rotor for a rotary electric machine includes a magnetic rotor body and at least two permanent magnets defining a pole of the rotor, the two permanent magnets being arranged on either side of a radial axis of the pole in a common recess which is provided in the magnetic rotor body and through which the radial axis of the pole passes.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: October 1, 2019
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Jacques Saint-Michel
  • Patent number: 10431984
    Abstract: The invention relates to a system for generating electric power, comprising: an alternator (1) for coupling with a drive system (7), supplying an AC voltage to an output bus (10); a reversible AC/DC converter (2) in which the AC bus (6) is connected to the output bus (10) of the alternator (1); an electricity-storage element (3) connected to the DC bus (9) of the converter (2); a controller (4) arranged to react to a transient state of load-shedding or charging impact by controlling the converter (2) so as to collect energy on the output bus (10) of the alternator (2) and to store same in the storage element (3) in the case of load-shedding, and to collect energy in the storage element (3) and to inject same into the output bus (10) in the case of charging impact, the converter (2) being controlled so as to inject currents to compensate for harmonic currents into the AC bus (10) of the alternator (1).
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: October 1, 2019
    Assignees: MOTEURS LEROY-SOMER, UNIVERSITE DE POITIERS
    Inventors: Emile Mouni, Philippe Manfe, Faycal Bensmaine, Slim Tnani, Gerard Champenois
  • Publication number: 20190260245
    Abstract: Rotor (1) for a rotary electric machine, comprising: a shaft (2); at least one annular shaped magnet (10) engaged on the shaft; at least one elastically deformable component (9) radially interposed between the shaft (2) and the magnet (10).
    Type: Application
    Filed: February 15, 2019
    Publication date: August 22, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Jeremy CHAMAND, Gaetan ADRIEN
  • Publication number: 20190230826
    Abstract: Device (1) for cooling at least one power electronics circuit (4), including: a liquid-cooled heatsink (2); and an interface plate (3) that is in thermal contact with the heatsink (2) and to which the one or more power electronics circuits (4) are attached, the interface plate (3), including at least one thermosiphon (6), being removably mounted on the heatsink (2) so as to be capable of being separated therefrom with the one or more electronic circuits (4) attached thereto.
    Type: Application
    Filed: July 10, 2017
    Publication date: July 25, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Ludovic BOURLIER, Aurelien COURAGE, Thierry CRESPO