Tesla Patents
Electric Motor And Powertrain
Tesla filed these patents around Electric Motor And Powertrain in the last 5 years
# | Patent No. | Short Description |
---|---|---|
1. | US9331552B2 | A robust, reliable, and cost-effective cooling system for electric motor rotors that uses heat pipes to efficiently transfer heat from the rotor to a heat exchanger |
2. | US9692277B2 | An integrated drive system assembly for an electric vehicle that combines an electric motor, power inverter, and gearbox into a single multi-piece enclosure |
3. | US8463480B2 | A vehicle charging system that reduces engine usage while charging the battery |
4. | US10131248B2 | A control system for an all-wheel drive electric vehicle that provides improved traction and stability control |
5. | US8154166B2 | A dual-layer winding arrangement for a three-phase, four pole motor and a method of manufacturing the same |
6. | US7742852B1 | An electric vehicle control system that optimizes torque applied to the primary and assist drive systems to improve traction and stability while minimizing wheel slip |
7. | US7489057B2 | A cooling system for the rotor in the drive motor of an electric vehicle that uses a hollow rotor shaft with a coolant feed tube rigidly attached to it |
8. | US7960928B2 | Optimal flux control in electric vehicles to maximize performance, efficiency, regeneration, and thermal management while also controlling torque or speed |
9. | US20200350796A1 | An electric motor with a rotor cooling system that extracts heat from the rotor when stationary to heat up the motor and battery |
10. | US20210018087A1 | Electric drive unit with improved bearing alignment and rotor balancing for electric vehicles |
11. | US7741750B1 | Induction motor design for electric vehicles that provides high torque over a wide speed range, improves efficiency, and reduces size and weight compared to conventional induction motors |
12. | US8773058B2 | A method for operating an electric vehicle including a vector-controlled AC induction motor that uses a runtime thermal model to estimate individual component temperatures of the motor, and limits power, torque, or phase current of the AC induction motor to maintain the temperature below a critical temperature |
13. | US10439477B2 | An electric motor cooling system that provides effective cooling of critical motor parts while minimizing the number of pressure-based distribution openings |
14. | US8365392B2 | A rotor assembly for an electric motor that provides improved electrical and mechanical characteristics in a low weight assembly |
15. | US8970147B2 | Mitigating cold ambient performance degradation of an electric vehicle (EV) by intentionally dissipating excess power as heat to improve performance in cold conditions |
Download the full patent report containing all of the 44 patents |