BMW 3 Owners & Service Manuals

BMW 3: Rotor and stator

Design
Rotor and stator, electrical machine

  1. Stator
  2. Permanent magnets
  3. Rotor
  4. Hollow shaft with outer basket of separation clutch

The electrical machine in the G20 PHEV is structured as an inner rotor. "Inner rotor" means that the rotor is arranged with the permanent magnets arranged in a ring shape on the inside. The coils for generating the rotating field are located on the outside and form the stator. The electrical machine has 8 pole pairs.

The rotor is mounted above a flange on the rotor hollow shaft, which is positively connected to the transmission input shaft.

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     Connections

    Connections, electrical machine Transmission bell housing Temperature sensor Coolant ducts Connection for coolant (transmission oil) Electrical connection, rotor position sensor High-voltage c

     Sensors

    Sensors, electrical machine Temperature sensor Rotor of the rotor position sensor Stator of the rotor position sensor So that the voltages for the coils in the stator can be correctly calculated

     Separation clutch

    The G20 PHEV is a Full-Hybrid Generation 4.0 vehicle. In contrast to generation 2 and 3 hybrid vehicles, electrical driving is possible in the G20 PHEV at much higher speeds and with a higher range.

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     Connecting rod - Crankshaft drive

    Connecting rod Piston Area transferring the force Wrist pin Connecting rod bearing with shaped bore hole Connecting rod Connecting rod bearing (B46TU only) Small connecting rod eye (trapezoidal shape) Large connecting rod eye (cracked) Connecting rod bolts of the connecting rod bearing ca

     Operation

    General information This chapter describes functions that are operated in a different way to the way they are operated in the front, or are only available in the rear. Music hard disk Saving of music via CD/DVD is only possible in front. The export and import of data is only possible via the US

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