Stator holding plate with inverter fastening function
View Patent ↗A stator holding plate ( 1 ) for a wheel hub drive system, in particular for an electric and/or hybrid vehicle, which stator holding plate has a stator fastening portion (S) for the fastening of a stator ( 103, 105 ) of an electric motor to the stator holding plate ( 1 ) and has an inverter fastening portion (I) for the fastening of an inverter ( 30 ) to the stator holding plate ( 1 ). A wheel hub drive system equipped with the same.
1. A wheel hub drive system for an electric or a hybrid vehicle, comprising:
an electric motor having an electric motor stator and an electric motor rotor;
an inverter, the inverter being situated adjacent to the electric motor; and
a stator holding plate, the electric motor stator and the inverter being fastened to the stator holding plate, the stator holding plate including a stator fastening section for fastening the electric motor stator to the stator holding plate and an inverter fastening section for fastening the inverter to the stator holding plate, wherein
the stator holding plate further includes:
a brake anchor plate section for fastening a brake mechanism of a drum brake to the stator holding plate;
a wheel bearing and stator holding plate fastening section for fastening a wheel bearing to the stator holding plate and for fastening the stator holding plate to a wheel support;
a phase guiding section for guiding the phases of the electric motor from one side of the stator holding plate to another side of the stator holding plate; and
a resolver fastening section for fastening a resolver to the stator holding plate;
the wheel bearing and stator holding plate fastening section being provided in a central area of the stator holding plate;
the stator fastening section being provided in a radially outer area of the stator holding plate;
the brake anchor plate section and the phase guiding section and the inverter fastening section and the resolver fastening section being provided between the wheel bearing and stator holding plate fastening section and the stator fastening section;
the brake anchor plate section being provided on the wheel side;
the inverter fastening section being provided on the vehicle side; and
the resolver fastening section being provided on the wheel side.
2. The wheel hub drive system as recited in claim 1 wherein the inverter fastening section and the inverter are shaped in such a way that the inverter forms a seal against the inverter fastening section.
3. The wheel hub drive system as recited in claim 1 further comprising a seal situated between the inverter fastening section and the inverter.
4. The wheel hub drive system as recited in claim 1 wherein the inverter includes a controller.