Electric vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorHiroyuki HATTORI
Life of this patent
Estimating the term…
Abstract
To suppress occurrence of a counter electromotive force due to a permanent magnet motor, in an electric vehicle that includes a permanent magnet motor and a non-permanent magnet motor rotating a drive shaft. An electric vehicle includes a permanent magnet type PM motor that rotates a front wheel drive shaft. The PM motor and the drive shaft are connected and disconnected by a clutch. The electric vehicle also includes a non-permanent magnet type SR motor that rotates a rear wheel drive shaft. When the clutch disconnects the PM motor and the drive shaft, the SR motor rotates the drive shaft.
Claims4
An electric vehicle comprising:
- a permanent magnet motor that rotates a drive shaft;
- a clutch that connects and disconnects the permanent magnet motor and the drive shaft;
- and
- a non-permanent magnet motor that rotates the same drive shaft or a different drive shaft, wherein
- when the clutch disconnects the permanent magnet motor and the drive shaft, the non-permanent magnet motor rotates the same or a different drive shaft.
Dependencies are inferred from the claim text.