Back to results
US 2022/0032910 A1Published application
Vehicle drive system
AssigneeKarma Automotive LLC
InventorsLance Liang Zhou, Kevin Y. Zhang, Geng Niu
Life of this patent
Estimating the term…
Abstract
A vehicle drive system for an electric vehicle having in-hub motors configured to be independently controlled from the main traction motors. The configuration allows for robust control of the vehicle dynamics and behavior by allowing an improved powertrain control. The system also allows the vehicle to achieve better efficiencies.
Claims20
An electric vehicle comprising:
- a plurality of front wheels and a plurality of rear wheels wherein each rear wheel is driven by a corresponding hub motor, and wherein each corresponding hub motor is located within each rear wheel;
- wherein each front wheel of the plurality of front wheels is connected to a corresponding half-axle;
- a plurality of traction motors, wherein each of the traction motors provides power to one front wheel of the plurality of wheels via the corresponding half-axle;
- a main propulsive battery configured to provide power to the plurality of traction motors and each of the corresponding hub motors.
1 more element
A drive system for an electric vehicle, said drive system comprising:
- a transmission;
- a set of traction motors configured to power corresponding wheels of a first set of wheels of the electric vehicle through the transmission;
- a set of hub motors, wherein each hub motor is located within corresponding wheel of a second set of wheels of the electric vehicle, wherein each of the hub motors is configured to power the corresponding wheel of the second set of wheels;
- a combined drive control system configured to control the set of traction motors and the set of hub motors.
1 more element
Dependencies are inferred from the claim text.