Valeo Systemes D'essuyage

Jose Luis Herrada

Marcel Trebouet

Mehdi Belhaj

Xiang Liu

Alexandre Paschutine

The present invention relates to a stator for an electric motor, comprising a plurality of separate teeth comprising a first connector and a second connector, a plurality of coils which are configured to be wound respectively around the plurality of separate teeth, a first end of the wire of the winding being configured to be positioned in the first connector and a second end of the wire of the winding being configured to be positioned in the second connector, a central module configured to receive the separate teeth, said central module comprising connecting frames comprising connecting tabs extending radially and configured to be inserted in a first connector or in a second connector of a separate tooth, the connecting frames being configured to provide electrical connections between the coils.

Electric motor, stator for electric motor and method of manufacturing the same

The invention relates to a geared motor () for a motor-vehicle wiping system comprising an electric motor () comprising a rotor () including magnetic elements, a stator () having the electromagnetic excitation windings of the rotor, a rotary shaft () rigidly connected to the rotor, a reduction gear () linking the rotary shaft () and an output shaft of the geared motor, a casing () forming a protective envelope for said reduction gear, or the electric motor (), and in which said reduction gear () includes a worm screw and worm wheel gear, the worm screw () being rigidly connected to the rotary shaft of the rotor (), the worm wheel () rigidly connected to an output shaft () of the geared motor, bearing means () for guiding the rotary shaft of the rotor () in rotation in relation to the casing (), and potentially, a determination device for determining the angular position of the rotor including a multi-pole magnet () that is rigidly connected to the rotary shaft () of the rotor ().

Gearmotor for automotive vehicle wiper system

A wiper system including a brushless DC electric motor having a rotor, a stator having coils for electromagnetically exciting the rotor, a device for determining the angular position of the rotor with respect to the stator, a control unit configured to generate control signals for supplying power to the electromagnetic excitation coils according to the angular position of the rotor determined by the device for determining the angular position of the rotor, a reduction gear mechanism linked, on one side, to the rotor of the electric motor and, on the other side, to an output shaft that is intended to be linked to an external mechanism. The rotor includes at least one Hall effect sensor associated with a control magnet that rotates with the rotor and the gear motor also having a processing unit connected to the device for determining the angular position of the rotor.

Gear motor, associated wiper system and associated control method

A geared motor () for a motor-vehicle wiping system including an electric motor () is disclosed. The geared motor has a rotor () including magnetic elements, a stator () having the electromagnetic excitation windings, a rotary shaft () rigidly connected to the rotor, a reduction gear () linking the rotary shaft () and an output shaft of the geared motor, and a casing () forming a protective envelope for said reduction gear or the electric motor (). The reduction gear () includes a worm screw and worm wheel gear, the worm screw () being rigidly connected to the rotary shaft of the rotor (), the worm wheel () rigidly connected to an output shaft () of the geared motor, bearing means () for guiding the rotary shaft of the rotor () in rotation in relation to the casing (), and a determination device for determining the angular position of the rotor including a multi-pole magnet () that is rigidly connected to the rotary shaft () of the rotor ().

The present invention relates to a brushless dc electric motor () comprising:

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La Verriere, France

Jose Luis Herrada