Valeo Equipements Electriques Moteur

Valeo Equipments Electriques Moteur

Xavier Dunesme

Nicolas Langlard

Jean-Pierre Chochoy

Alain Defebvin

Ludovic Darras

Olivier Luittre

Jérôme Fournier

David Desmet

Michel Fakes

Pierre Faverolle

Stéphane De Clercq

Yannick Le-Meitour

Matthieu Bonnici

Eric Simon

Mathieu Redon

Stéphane DeClercq

Aurélien Petrez

The invention relates mainly to a rotary electric machine for a motor vehicle. The machine () comprises a shaft (); a rotor (); a stator () comprising a body () provided with slots, and a winding () inserted into the slots; a first bearing () and a second bearing () surrounding an assembly formed by the rotor and the stator and each comprising a housing () for rotatably mounting the rotor shaft (). The first bearing comprises a transverse flange () and a cylindrical wall () of axial orientation derived from an outer periphery of said flange. The second bearing comprises a transverse flange () closing the first bearing and at least one rim () projecting from the flange and forming a junction area () where it joins the first bearing. Furthermore, the stator body has a region (Z) of shrink-fitting to the cylindrical wall.

Rotary electric machine with shrink-fitted bearing

A rotary electrical machine comprising a rotor and a stator (). The stator comprises a tooth () delimited by notches (), and a winding composed of n&#xd7;M wires (), wherein n corresponds to a number of phases and is equal to at least 2, and M corresponds to a number of continuous electric wires for each phase () and is equal to at least one. The winding is composed of successive turns, each of the successive turns comprising n&#xd7;M wires wound simultaneously in n of the notches () to be inserted in n series of notches. Each of the series of the notches is dedicated to a single phase, and for each of the successive turns, each of the assembly of the M wires () constitutes a phase and is inserted in the same series of the notches ().

Winding for rotary electrical machine

A method and device for winding a rotor or a stator (), of a rotary electrical machine, having a series of teeth () which are delimited by notches (). In each notch there are inserted M continuous electric wires () constituting a turn; M being equal to 1 or more, characterised in that n&#xd7;M wires () are wound simultaneously in a number n of notches (), n corresponding to the number of phases and being &#x2267;2. The assembly of the M wires () constituting a phase, being inserted in a single notch (). The device for winding has at least two carriages (), with a series of teeth, delimited by n notches (). And, likewise corresponding to the winding, each set of M continuous electric wires () constituting a turn, is characterised in that M&#xd7;n wires () are inserted simultaneously in the extension of the n notches () of the rotary electrical machine in the n notches () in the respective carriages (). All of the M&#xd7;n wires () are bent together at least twice by bending the carriages () relative to one another, and all of the M&#xd7;n wires () thus bent are folded back in the following successive nnotches () of the rotary electrical machine.

Winding for a rotary electrical machine

A polyphase stator for an internally ventilated rotating electrical machine comprises a body () provided with slots and carrying a coil () having at least one winding per phase. A plurality of pairs of lateral branches are mounted in a slot of the body (). A plurality of connecting heads (to) extend outside the body () so as to form a first lead-out () and interconnect each pair of lateral branches. A plurality of coupling feet (to) are offset circumferentially with respect to the plurality of connecting heads and extend outside the body () so as to form a second lead-out () and interconnect each pair of lateral branches. One of the pluralities has a generally pointed shape and has an axial length of betweenandmm. The stator is used with an alternator or alternator-stator for a motor vehicle. An internally ventilated electrical machine is equipped with the stator.

Polyphase stator for internally ventilated rotating electrical machine, and rotating electrical machine comprising such stator

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Yerres, France

Xavier Dunesme