Nissan e-4WD Rear and Kei EV e-Axle Teardown Survey

Based on parts exhibited at the Next Generation Vehicle Center Hamamatsu, Parts Benchmarking Room

2022/11/04

Summary
Next Generation Vehicle Center Hamamatsu activities and the Parts Benchmarking Room
Equipped vehicles (Nissan e-POWER e-4WD rear and Kei-class EVs) and e-Axle
e-Axle configuration
Inverter (MCU)
Motor
Reducer

Summary

Nissan’s e-4WD rear (drive motor) and Kei EV equipped e-Axle teardown product display

Nissan’s e-4WD rear and Kei EV equipped e-Axle teardown product display at the Next Generation Vehicle Center Hamamatsu

The Next Generation Vehicle Center Hamamatsu disassembles and exhibits electric powertrains used in various electrified vehicles, and allows member companies to view the disassembled products.

This report introduces the e-Axle mounted on the Nissan Aura e-4WD rear exhibits at the Next Generation Vehicle Center Hamamatsu, Parts Benchmarking Room.

The newly developed Meidensha e-Axle (motor model: MM48) is used in the drive motors of Nissan's Note, Aura e-4WD rear, and Sakura EVs.

The e-Axle for e-4WD rear and Kei-class (mini-vehicle) EVs is compact and consists of an inverter with direct-cooled IGBTs, an IPMSM-type motor with SC windings, and a speed reducer.

Although the housing shape and other features have been adapted to the mounting requirements of the Aura e-4WD rear, the basic parts such as the motor's active parts (electromagnetic circuit) are believed to be the same as those of same model (MM48) of both the e-4WD rear and Kei-class EV drive motor.

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