ALL-WHEEL-DRIVE VEHICLE Russian patent published in 2006 - IPC B60K17/14 

FIELD: transport engineering; electric vehicles.

SUBSTANCE: invention relates to automobiles. Motocycles, scooters, electric trains and other vehicles. Proposed all-wheel-drive vehicle contains at least two gearless electric motors, supply source and motor supply control unit. At least one of said motors is acceleration one, and the other, cruise one. Each of said motors contains at least one ring magnetic circuit on which even number of permanent magnets is secured at equal pitch, round frame separated from magnetic circuit by air gap and carrying even number of electromagnets arranged in pairs opposite to each other, and also means of change-over of polarity of supply of electromagnets. Each pair of electromagnets arranged opposite to each other form phase of electric motor, number of phases m₁ of acceleration motor and number of phases m₂ of cruise motor satisfy relationship m₁>m₂. Number permanent magnets n₁ of acceleration motor and number of permanent magnets n₂ of cruise motor should preferably satisfy relationship n₁>n₂. Motor supply control unit can supply power to each of electric motors independently.

EFFECT: improved dynamic characteristics and simplified control circuit of electric motors.

14 cl, 1 tbl, 8 dwg