Valeo Systemes D'essuyage

Matthias Schoendeling

Michael Schaeuble

Markus Stubbe

Tobias Groenig

Joerg Buerkle

The invention relates to a method for detecting the rotary angle positions (α, β) of rotating parts of a wiper motor, the wiper motor having a brushless electric motor as a first part which comprises a rotor rotating about a first axis of rotation and which drives a gear wheel as a second part which rotates about a second axis of rotation and which comprises a driven shaft, and the rotary angle positions (α, β) of the two rotating parts being detected by means of two sensor devices each having a signal generating element and a sensor element for detecting a changing physical parameter of the signal generating element.

Method for detecting the rotary angle positions of rotating parts of a wiper motor, and wiper motor

The invention relates to a commutator motor (), particularly as part of a windscreen-wiper motor (), having at least four magnet elements (to) which are arranged on a reference-circle diameter around an axis of rotation of an armature shaft () with polarity that alternates in the circumferential direction, and having an armature () with armature slots (Nto N) and armature teeth (Zto Z), wherein winding wires () having a multiplicity of windings () in each case for constructing coils (Cto C) are arranged in the armature slots (Nto N), wherein a start () and an end () of a winding wire () is electrically conductively connected to a commutator hook (Hto H) in each case, wherein a winding wire () has two winding-wire sections (), which are arranged in the region of different magnet elements (to) in such a manner that a first winding-wire section () with a first number of windings () in a first winding direction is assigned to a first magnet element (to) and is located in two armature slots (Nto N), and that a second winding-wire section () with a second number of windings () in a second winding direction, opposite to the first winding direction, is assigned to a second magnet element (to) and is located in two armature slots (Nto N), and wherein the two magnet elements (to) have different polarities.

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Bietigheim-Bissingen, Germany

Matthias Schoendeling