| Patent Number |
Title Of Patent |
Date Issued |
| 7417857 |
Power-electronic-cooling device |
August 26, 2008 |
| A device which is used to cool the power electronics of a vehicle, by circulating a liquid through a cooling circuit which is mounted under a plate bearing the power electronics. According to the invention, the cooling circuit can include deflectors and/or turbulators in order to inc |
| 7402916 |
Method of controlling a reversible, polyphase rotary electrical machine for a motor vehicle havi |
July 22, 2008 |
| The method of controlling a reversible, polyphase rotary electrical machine called an alternator-starter, for a motor vehicle with a heat engine, the machine being adapted to work either as an electric generator--in an alternator mode--or as an electric motor, in particular for start |
| 7400102 |
Method for controlling a polyphase voltage inverter |
July 15, 2008 |
| The present invention relates to a method for controlling a polyphase voltage inverter the inverter being designed to control a load in terms of pulse width modulation and to be connected upstream to a voltage source via a DC bus and downstream to an electrical load. It is connected |
| 7375606 |
Electromagnetic contractor for controlling an electric starter |
May 20, 2008 |
| The metal housing of the case of a contactor includes an annular rib extending continuously opposite the cylindrical periphery of the main stationary core, the rib having an internal diameter respectively greater than that of the ferrule and smaller than that of the housing, so as to |
| 7358630 |
Ventilating device for rotary electrical machine |
April 15, 2008 |
| The ventilating device fixed on a rotor of a rotary electrical machine, comprises a first fan (62a) having a radial plate portion (64a), at least one second fan (62b) having a radial plate portion (64b), and means for fastening the two fans (62a, 62b), each fan (62a, 62b) having, at the |
| 7318403 |
Friction clutch bearing an electric machine rotor, in particular for a motor vehicle |
January 15, 2008 |
| A fiction clutch device comprising a flywheel with a front end designed to be fixed to a vehicle crankshaft (11) and a rear end in the form of a hollow-shaped reaction plate (4) with a central recess (39) externally defined by a friction surface (37) and a friction disc (20), including a |
| 7302870 |
Motor vehicle starter with improved starter drive assembly |
December 4, 2007 |
| Motor vehicle starter comprising a starter head provided with a pinion (1), a driver (2) and a coupling device with a conical clutch for coupling the pinion to the driver (2), in which the conical clutch comprises a first frustoconical friction surface (8) fixed to the pinion and a s |
| 7281442 |
Planetary gear reduction mechanism in particular for motor vehicle starter and starter equipped |
October 16, 2007 |
| A reduction gearbox with an epicyclic gear train is provided for a motor vehicle starter. This gearbox includes a crown (30) comprising a outer crown part (31) and an inner crown part (32) carrying an internal set of teeth (33) together with shock absorbing elements (34). The the damping |
| 7239062 |
Brush-holder assembly for electric machine |
July 3, 2007 |
| This brush holder assembly for an electric machine includes a bearing-forming metal end cap (26) intended to be mounted on a carcass of the machine, and a set of members (28, 30, 32, 34) for electrical connection of the brushes mounted on the end cap (26) by means of rivets (50, 52) |
| 7224093 |
Polyphase electric rotary machine |
May 29, 2007 |
| The electric machine includes a front end plate (13), a rear end plate (14), a rotor (4) installed between the said end plates, and a magnetic target (50) with axial or radial reading fixed onto a target holder installed between the rotor (4) and one of the said end plates. |
| 7221127 |
Alternator with rectifier bridge in particular for motor vehicle |
May 22, 2007 |
| The alternator comprises a wound rotor and a stator with a number of phases connected to a rectifier bridge equipped with switches (7) in the form of MOS type transistors, such as MOSFET type transistors, characterised in that the transistors (7) are voltage-rated to work by avalanch |
| 7212390 |
Electronic control circuit for a starting switch of a motor vehicle |
May 1, 2007 |
| An electronic control circuit for a motor vehicle starter contacter includes a management unit (26) having: first means for detecting the open or closed state of the power contact (20), and second means for regulating the power supply of the winding (18) during the starting cycle w |
| 7196439 |
Device for cooling the power electronics integrated at the rear of an alternator or a reverse al |
March 27, 2007 |
| The invention concerns a rotating electrical machine, in particular an alternator or an alterno-starter for a motor vehicle, comprising: a rotor (1) centered and fixed on a rotating shaft (2) supported by at least one rear bearing (4), the rear bearing (4) including radial cooling fluid |
| 7170210 |
Alternator equipped with stator having twisted inputs |
January 30, 2007 |
| An alternator having a rotor and a stator is described. The stator includes a cylindrical body with a plurality of phases. Each of the plurality of phases includes a phase input located at least partially outside of the cylindrical body, where the phase input is formed of a bar. The |
| 7170206 |
Method for the production of a rotor for an electric turning machine |
January 30, 2007 |
| The invention proposes a method of making a rotor (12) for a rotary electrical machine, the rotor including a core (14) on which there is formed at least one electrical winding (16) comprising at least one electrically conductive element (18) which is coated with an outer bonding lay |
| 7168923 |
Alternator fan |
January 30, 2007 |
| The invention is a fan for an alternator adapted to be coupled in rotation to the alternator rotor, and being of the type comprising a wheel part and a plurality of fan blades (47, 48) extending from the latter, the fan being moulded in a plastics material on an insert (50) which is |
| 7166945 |
Rotating electrical machine such as an alternator adaptable to different types of motor vehicles |
January 23, 2007 |
| A rotary electrical machine such as an alternator, in particular for a motor vehicle. This machine is adaptable to various types of motor vehicle engine and comprises removable lugs (16) for fixing the machine to a fixed support such as a support secured to the vehicle engine and whi |
| 7165523 |
System, in particular for motor vehicle starting a heat engine and for charging an electric circ |
January 23, 2007 |
| System, especially for a motor vehicle, able, on the one hand, to start up an internal-combustion engine and, on the other hand, to charge an electrical circuit, including a main electrical machine able to operate, on the one hand, as a generator and, on the other hand, as an electric |
| 7138735 |
Internal ventillating system for a rotating electrical machine such as a motor vehicle alternato |
November 21, 2006 |
| The invention concerns a rotating electrical machine, comprising inside a housing, a fixedly mounted stator and a rotor rotatably mounted in the stator, the ventilating system including in particular at least one ventilator integral with the rotor and capable of generating a cooling |
| 7126245 |
Polyphase armature for a rotary electrical machine, and its method of manufacture |
October 24, 2006 |
| The invention provides a polyphase armature (13) for a rotary electrical machine, comprising a body (14) carrying a plurality of phases (20 to 25), each of which comprises, firstly, an input (E1 to E'3) and an output (S1 to S'3), each of which is part of an electrically conductive input |
| 7116020 |
Alternator, in particular for motor vehicle |
October 3, 2006 |
| The alternator comprises a stator (12), a rotor (4) disposed inside the stator (12) and having a plurality of phases, and at least two armature windings, each of which is part of a power supply source connected between earth and a power supply line, each source also comprising a brid |
| 7102304 |
Control device for a reversible rotating electrical machine |
September 5, 2006 |
| The invention relates to a control device for a reversible, multi-phased rotating electrical machine which can operate in alternator or motor mode. The inventive device comprises a main battery (4), an electric network (5) and a unit (3) for controlling and commanding an inverter and |
| 7019424 |
Current rectifier assembly for rotating electrical machines, in particular motor vehicle alterna |
March 28, 2006 |
| Current rectifying equipment for rotary electrical machines has a rear bearing, of the type comprising a plurality of positive diodes (2) supported by a support (1) in the form of a plate, a plurality of negative diodes (7) supported by the rear bearing (6) of the machine, a device ( |
| 6930424 |
Several phase for a stator of an alternator for a motor vehicle |
August 16, 2005 |
| The invention relates to alternators for a motor vehicle, of which a stator comprises a cylindrical body, several phases each formed by a plurality of electrically conducting elements, the cylindrical body comprising radial slots for accommodating at least four phase-conductor elements f |
| 6919661 |
Alternator-starter for motor vehicle with mechanical static converter |
July 19, 2005 |
| The reversible multiphase rotary machine includes a device (3) for supplying current to the windings (12-14) of the stator, which is produced in the form of a mechanical inverter (2) able to be coupled to the aforementioned shaft of the machine and connected to the windings (12-14) o |
| 6915556 |
Method for assembling conductive segments of a rotor winding or stator winding in a rotary elect |
July 12, 2005 |
| This process for assembling conductive segments (16) of a rotor or stator winding of a rotary electrical machine comprises the stages consisting in inserting the conductive segments (16) in slots arranged in a core (12) of the rotor or of the stator in such a way that the conductive segm |
| 6897558 |
Power electronic component module and method for assembling same |
May 24, 2005 |
| This electronic module comprises a metallic base (12) and electronic power components (D1, D2, D3, D4, D5, D6) on the base; in which each component, in a group consisting of some of the components, is mounted on the base with a respective electrically insulating and thermally conductive |
| 6847143 |
Rotary electrical machine having magnet arrangements with magnets of different compositions |
January 25, 2005 |
| A rotary electrical machine, especially an alternator or an alternator-starter for a motor vehicle, comprises a stator (S), a rotor (R) and permanent magnets incorporated in the rotor and/or the stator, in which the said magnets are formed into at least two groups each of which is de |
| 6844638 |
Fan for rotating electric machine |
January 18, 2005 |
| A rotating electric machine comprising at least a fan (43) provided with blades providing between them divergent ventilation channels (48) adapted to generate cooling fluid flow through the machine; the angle of incidence (B) of the blades, at the leading edge ranges between 150 degrees |
| 6798176 |
Alternator for a motor vehicle with energizing information output |
September 28, 2004 |
| An alternator for a motor vehicle comprises an excitation regulator circuit comprising a controlled switch (Tex) in series with the excitation winding, and a freewheel component (DL) which is connected to the terminals of the winding, and a circuit (10, 20, 30) for delivering informa |
| 6798094 |
Rotary electric machine, and in particular motor vehicle alternator, comprising a stator elastic |
September 28, 2004 |
| A rotary electrical machine (10), especially a motor vehicle alternator, having a stator (12) of generally cylindrical annular form, which is arranged in a casing (14) having a rear portion (16) and a front portion (18) in which the outer axial face (24) of the stator (12) and the inner |
| 6774511 |
Rotary electric machine and method for making windings |
August 10, 2004 |
| The invention proposes a rotary electrical machine of the type which comprises at least one member (14) on which is formed at least one electrical winding (32) consisting of at least one electrically conductive element (34), which is wound to form the winding and which is coated with |
| 6737834 |
Engine control apparatus with an alternator regulator circuit interface means, and a correspondi |
May 18, 2004 |
| A motor vehicle alternator includes a regulator for varying excitation as a function of a reference variable, together with a conversion circuit for varying the reference variable (such as a voltage) according to a PWM signal. It includes, in combination: an internal clock with a control |
| 6734587 |
Rotating electrical machine, in particular alternator for motor vehicle |
May 11, 2004 |
| The invention relates to a rotary electric machine comprising a rear bearing (2), an arrangement (1) for rectifying the current produced by the machine, which comprises a number of positive diodes (8) supported by a heat dissipater in the overall form of a plate (9) and a number of n |
| 6708429 |
Method and device for powering a motor vehicle electric starting switch with determinable behavi |
March 23, 2004 |
| The invention relates to a method of supplying power to a motor-vehicle electric-starter contactor (10) in which, on a circuit (T1, B, 20, 25) for supplying power to the contactor (10), an effective-power-supply signal (R1, R2, R3) is provided having a chosen profile, characterised in th |
| 6694938 |
Method of controlling a starter system for a heat engine, of the type having two starters, and a |
February 24, 2004 |
| A heat engine has a starting system comprising two starters so arranged that their pinions engage the starter crown of the engine in parallel once the ignition key is turned. Each starter comprises an electric motor and a power interrupter connected in the power circuit of the motor and |
| 6692278 |
Multicontact electrical connector and rotating electrical machine bearing same |
February 17, 2004 |
| Connector for forming an electrical connection between, on the one hand, a first subassembly (15) comprising at least two first electrically conducting elements and, on the other hand, a second subassembly (16) comprising at least two second electrically conducting elements, in which |
| 6561336 |
Friction clutch bearing an electric machine rotor, in particular for a motor vehicle |
May 13, 2003 |
| The invention concerns a friction clutch comprising a flywheel (3) with a front end designed to be fixed to a motor vehicle crankshaft (11) and a rear end in the form of a reaction plate (4) with a central recess (39) externally defined by a friction surface and a friction disc coupled w |
| 6519993 |
Machine for configuring the winding head of a stator of a rotary electrical machine |
February 18, 2003 |
| A machine for configuring the winding head of a stator for a rotary electrical machine, which includes U-shaped conductors which are inserted axially into axial slots in the stator body, is of the type comprising a support body together with concentric tubular sleeves. The lower axial en |
| 6516767 |
Method for gradually driving a motor vehicle starter switch |
February 11, 2003 |
| The invention relates to a method for energising a coil for driving a moving contactor core of an electric starter for a motor vehicle, in which the effective current is varied in the coil during displacement of the core to its contact position, and in which, in the course of this di |
| 6490940 |
Motor vehicle starter with reduction gear comprising means forming torsional damper |
December 10, 2002 |
| The motor vehicle starter (10) has a casing (18) in which there is arranged an electric motor (12) which rotates a coaxial starter head (22) with the interposing of an epicyclic gearbox (34) including a ring gear (44) made of rigid material (M1) which is housed at least partially in a ca |
| 6486625 |
Device for controlling a starter for a motor vehicle |
November 26, 2002 |
| A device for controlling the power supply to the electric motor of a starter for a vehicle having a power switch connected in series with the electric motor, units for controlling the power switch, and an auxiliary switch which shorts the electric motor when the power switch is opened, |
| 6448680 |
Rotating electric machine with permanent magnets and magnetic resistance with improved flux weak |
September 10, 2002 |
| The invention concerns a rotating electric machine which includes a stator equipped with armature coils and a rotor mounted rotating inside the stator. The rotor having a series of magnets with alternating polarities juxtaposed with magnetic parts having magnetic resistance, respectively |
| 6404093 |
Brush-holder mount for electric machines, such as motor vehicle starter |
June 11, 2002 |
| Brush-holder fitting for an electric machine including two components (3, 4) affixed to one another, one (3) which features several guide cages (3c) which each accommodate one brush (1) and a spring (7), the other (4) which constitutes a component forming a seating which includes means a |
| 6400125 |
Device for regulating the voltage at which an automobile battery is charged by an alternator |
June 4, 2002 |
| A device for regulating the voltage at which an automobile battery is charged by an alternator, having a control circuit and a power circuit, as well as an external management unit connected to the control circuit in order to transmit different regulation parameters to it, the power circ |
| 6396181 |
Rotating maching with advanced excitation means |
May 28, 2002 |
| A rotary electrical machine, comprising a stator (100) having at least one armature winding (140) mounted in slots which define stator poles, and a rotor (200) mounted for rotation inside the stator, the rotor having at its outer periphery magnetic poles comprising, firstly, North-South |
| 6242834 |
Brushless polyphase machine, in particular motor vehicle alternator |
June 5, 2001 |
| A flux concerning electrical machine has a stator and a rotor, the stator including on its face a series of notches housing a series of stator coils, and further including a series of housings for excitation means, and the rotor including a plurality of flux commutator teeth for sele |
| 6228152 |
Filtering device for equipping a ventilation and/or heating and/or air conditioning unit, more p |
May 8, 2001 |
| A filter device has a frame, a grid, a filter medium and, if desired, a gas adsorption medium. The frame is flexible so as to be temporarily deformable and is made of polypropylene, as is the grid. The filter medium is a mat of non-woven material and the gas adsorption medium is activate |
| 6176212 |
Method and device for controlling energization of the coil of a motor vehicle starter contactor |
January 23, 2001 |
| In a method of controlling energisation of the coil of a motor vehicle starter contactor the coil is energised in a pick-up mode to close the contactor and then in a latching mode to hold the contactor closed. A voltage corresponding to the supply voltage of the electric motor of the |
| 6147429 |
Electrical machine with double excitation, especially a motor vehicle alternator |
November 14, 2000 |
| A rotary electrical machine such as a motor vehicle alternator comprises a stator and a rotor. The stator has at least one armature winding in at least one pair of stator slots. The rotor includes means for selectively establishing closed magnetic circuits which pass around the turns of |
