Patents Assigned to Moteurs Leroy-Somer
  • Patent number: 10355542
    Abstract: The invention relates to an electric machine comprising a stator, this stator comprising a set (10) of magnetic laminations which is made up of at least one first subset (50) and of at least one second subset (60) adjacent to the first the laminations of the first and second subsets having parts which become superposed, each comprising at least one closed channel formed within the laminations, the laminations being identical but angularly offset from one another by an angle 360°/n about the axis of the machine, where n is a non-zero integer, the laminations being without symmetry in a rotation by 360°/n so that the parts of the laminations thus offset which become superposed are nonidentical and create the said perturbation in the flow at the transition between the channels of the first and second subsets.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: July 16, 2019
    Assignee: Moteurs Leroy Somer
    Inventors: Michael McClelland, Ioan Deac, Aurélien Courage, Alexis Dutau
  • Patent number: 10355616
    Abstract: The invention relates to an electromechanical assembly comprising: an alternator with a wound rotor; a regulator acting on the excitation of the alternator; a rectifier at the outlet of the alternator, supplying a rectified voltage to a continuous bus; and a booster circuit connected by means of a filter to the outlet of the alternator and supplying a voltage to the continuous bus.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: July 16, 2019
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Christian Andrieux, Daniel Ehanno
  • Publication number: 20190173405
    Abstract: A method for customizing operation of an alternator regulator including at least one processor executing a program governing its operation. The regulator receives input signals and acts on output signals according to at least one control law. The control law is implemented in the regulator by a programming interface by inputting at least coordinates (x, f(x)) of at least two points of the law.
    Type: Application
    Filed: May 31, 2017
    Publication date: June 6, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Jeremy FRATANI, Vincent MORISSEAU, Jean-Francois PAILLOU
  • Patent number: 10298086
    Abstract: A rotating electric machine comprising at least one end flange carrying a bearing, and a housing onto which the end flange is attached, said housing being cooled by a liquid cooling circuit and having at least two connectors communicating with the cooling circuit. The two connectors allow the supply and return of cooling liquid to and from the flange when the flange is configured to be cooled by a flow of the cooling liquid.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: May 21, 2019
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Thierry Pera, Philippe Ciciliani, Bernard Corberand
  • Patent number: 10293847
    Abstract: A drive device for a handling trolley, including: a chassis; a wheel carrier; a drive wheel; a steering motor for rotating the wheel carrier relative to the chassis; a reduction gear connecting the steering motor to the wheel carrier, the reduction gear including a planetary gear set including an internal sun gear, at least one planet gear, and a planet carrier on which the planet gear is mounted, a ring gear surrounding the internal sun gear and the planet gear. The shaft of the steering motor is fixed relative to the internal sun gear, the wheel carrier is fixed relative to either the planet carrier or the ring gear, and the chassis is fixed relative to the other one of the two components.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: May 21, 2019
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Didier Calmettes, Eric Coupart, Françis Sourisseau, Ago-Tchalim Pato
  • Patent number: 10208748
    Abstract: The present invention concerns an installation for pumping hydrocarbons, including a pump submerged in a well and a motor for driving the pump, said motor being linked to a variable frequency drive powered during normal operation by an external network, the drive including a rectifier supplying a DC bus, an inverter supplied by the DC bus and linked to the motor, and a controller, said installation wherein it further includes an electricity storage element linked by a reversible DC-DC converter to the DC bus, the installation being arranged to ensure the variable frequency drive is supplied by the storage element in case of an interruption to the supply via the external network.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: February 19, 2019
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Mathias Tientcheu-Yamdeu, Jean-Marie Andrejak, Ludovic Bourlier, Daniel Ehanno
  • Publication number: 20190013715
    Abstract: A brake for a rotary electric machine including a rotor having a shaft, the brake including: at least one fixed armature; at least one yoke that can be moved between a position of braking the shaft of the machine and a position in which the shaft rotates freely; at least one coil borne by the yoke; at least one brake disc borne by the shaft of the rotor; at least one elastic return system for applying the yoke against the brake disc in the absence of electrical excitation of the coil, the armature being positioned such that the excitation of the coil causes the yoke to approach the armature and distances the yoke from the brake disc.
    Type: Application
    Filed: December 14, 2016
    Publication date: January 10, 2019
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Pascal CARRIOT, Benoît VINCENT, Joël MAYSOUNABE, Pascal BEYNAUD
  • Patent number: 10170949
    Abstract: A rotating electric machine including: —a magnetic mass, in particular rotoric, including first housings, —a plurality of permanent magnets inserted into the first housings, each permanent magnet having two polar faces, and —nonmagnetic shims inserted into the first housings and/or into second housings formed in the magnetic mass, —the shims being configured to cause a deformation of the first housings reducing the parasitic air gap between at least a polar face of a permanent magnet and the corresponding wall of a first housing.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: January 1, 2019
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Samuel Koechlin
  • Publication number: 20180358849
    Abstract: The invention relates to a rotary electrical machine (I) comprising a stator, said stator comprising a bundle (10) of magnetic sheets (20) made up of at least one first sub-bundle (50) and at least one second sub-bundle (60) adjacent to the first, the sheets of the first and second sub-bundles each comprising at least one fin (100) formed at the periphery of the corresponding sheet, the fins (100) of two consecutive sub-bundles being angularly offset relative to one another, in such a way as to create a disruption of the flow of a cooling fluid between the fins at the transition between the first and second sub-bundles, the machine also comprising a housing (5) at least partially covering the bundle of sheets (10), in particular a sheet-metal housing, the housing including a metal sheet wound around the bundle (10) of magnetic sheets of the stator.
    Type: Application
    Filed: November 21, 2016
    Publication date: December 13, 2018
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Jacques SAINT-MICHEL, Alexis DUTAU, Michael MCCLELLAND
  • Patent number: 10135322
    Abstract: Alternator rotor, comprising: a set of polar wheel field windings, an exciting armature, and an electronic power supply circuit supplying power to the set of polar wheel field windings from the exciting armature, the rotor being characterized in that the electronic power supply circuit comprises a bearing made of insulating material and conducting tracks held by said bearing, these tracks connecting the exciting conductors to terminals into which electronic components of the electronic power supply circuit are plugged and locked mechanically in place.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: November 20, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Patrick Vohlgemuth
  • Publication number: 20180331596
    Abstract: An electromechanical assembly including an electric machine coupled to a reducing gear, the electric machine including two bearings or rollers, the reducing gear including two bearings or rollers, the reducing gear and the electric machine each including a housing including means for attachment to the other housing, the electric machine and the reducing gear each including a shaft engaged in the other, each shaft including centring projections produced in such a way that the mutual engagement of the shafts has a centring effect that positions the housings correctly in order for them to be attached by means of the attachment means.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 15, 2018
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Didier CALMETTES, Pascal PONT, Stéphane NOIREAU
  • Patent number: 10103603
    Abstract: Electric motor includes a housing provided with an opening equipped with a membrane forming a barrier to liquid water between the inside and the outside of the housing but permeable to water vapor, the stator being liquid cooled and the motor having an internal fan to generate a forced circulation of air inside the motor, the membrane being situated in a region in which the forced circulation of air exposes it on the inside to a pressure higher than atmospheric pressure.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: October 16, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Hubert Lotz, Mickael Douvry, Thierry Pera, Philippe Ciciliani
  • Patent number: 10097061
    Abstract: A rotary electric machine has a machine casing and a terminal box fitted to the casing, the terminal box having a base part, the latter defining at least: a fixing zone for fixing at least one electronic module, this fixing zone having one or more support elements for receiving fasteners for fixing the module or modules, an electrical connection zone, the latter having at least one block of material for receiving at least one electrical connection element, the support element or elements and the block or blocks of material being molded as a single piece with the base part.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: October 9, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Patrick Vohlgemuth
  • Patent number: 10059166
    Abstract: The invention relates to an assembly including: a heat engine; a generator, the shaft of which is rotated by the heat engine; one or more electric motors for the evaporators of a vehicle cooling or air-conditioning system, the generator powering the electric evaporator motor(s) by an inverter; one or more electric motors for the condenser of the cooling or air-conditioning system, in which the motors include a four-pole rotor, the generator directly powering the condenser motor(s) and the supply voltage of the condenser motor(s) being the generator output voltage; a compressor which is driven mechanically by the heat engine; and an auxiliary electric motor for driving the compressor when it is not being driven by the heat engine.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: August 28, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Régis Giraud, Stéphane Dedieu
  • Publication number: 20180205229
    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: Application
    Filed: July 7, 2016
    Publication date: July 19, 2018
    Applicants: MOTEURS LEROY -SOMER, UNIVERSITE DE POITIERS
    Inventors: Emile MOUNI, Philippe MANFE, Faycal BENSMAINE, Slim TNANI, Gerard CHAMPENOIS
  • Patent number: 10005644
    Abstract: An electrical machine for driving a pulley, including: a shaft whereon the pulley is mounted; a motor for driving the shaft; at least one brake; a first front bearing for supporting the motor, the first front bearing being arranged on one side of the pulley, carrying a front ball bearing and being supported by at least one damping element; and a second front bearing arranged on the opposite side, carrying at least one ball bearing and supported by at least one damping element. The machine does not contain a rigid connection between the first front bearing for supporting the motor and the second front bearing.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: June 26, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Benoit Vincent, Pascal Carriot, Pascal Beynaud
  • Patent number: 9997982
    Abstract: The present invention relates to a rotating electrical machine including at least one stator and at least two rotors, which are arranged on either side of the stator along an axis of rotation of the machine, said at least one stator including teeth and windings arranged on the teeth, and each of said at least two rotors including two mutually coaxial rotor armatures, each bearing claw-poles arranged to interact magnetically with the teeth of the stator, the claw-poles of an armature being arranged circumferentially in alternation with the claw-poles of the other armature.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: June 12, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Jacques Saint-Michel
  • Patent number: 9995308
    Abstract: The invention relates to an electric rotary machine including: a shaft of a rotor rotating about an axis, a fan carried by the shaft of the rotor, and a motor for driving the fan, allowing modulation of the relative rotational speed of the fan in relation to the shaft of the rotor.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: June 12, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventor: Patrick Vohlgemuth
  • Publication number: 20180154928
    Abstract: A drive device for a handling trolley, including: a chassis; a wheel carrier; a drive wheel; a steering motor for rotating the wheel carrier relative to the chassis; a reduction gear connecting the steering motor to the wheel carrier, the reduction gear including a planetary gear set including an internal sun gear, at least one planet gear, and a planet carrier on which the planet gear is mounted, a ring gear surrounding the internal sun gear and the planet gear. The shaft of the steering motor is fixed relative to the internal sun gear, the wheel carrier is fixed relative to either the planet carrier or the ring gear, and the chassis is fixed relative to the other one of the two components.
    Type: Application
    Filed: November 30, 2015
    Publication date: June 7, 2018
    Applicant: MOTEURS LEROY-SOMER
    Inventors: Didier CALMETTES, Eric COUPART, Françis SOURISSEAU, Ago-Tchalim PATO
  • Patent number: 9979244
    Abstract: The present invention concerns a rotating electrical machine, comprising: a magnetic mass (2), in particular a rotor, comprising first housings (3), a plurality of permanent magnets (11) inserted into the first housings (3), and shims (20), preferably deformable, inserted into the first housings (3) and/or into second housings (12) provided in the magnetic mass (2), the shims (20) being configured to wedge the magnets (11) in the first housings by plastic and/or elastic deformation.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: May 22, 2018
    Assignee: MOTEURS LEROY-SOMER
    Inventors: Michel Droit, Stéphane Dufau, Sébastien Porcher, Nicolas Gluard