Patent ID: 9580065
Date: 2017-02-28
CPC Classifications: B60K,B60L,B60W,B60Y,F16H,H02K,Y02T,Y10S,Y10T

Claim:
1. An apparatus comprising: a rigid housing; a first rotating shaft that rotates about its axis and having means for mechanical coupling on both ends; a second rotating shaft that rotates about its axis and having a means for mechanical coupling on one end and a bearing mount on the other end; a pulley that is attached to a first end of the first rotating shaft for mechanical coupling to a mechanical power source for driving an axle of a hybrid vehicle; a first stator assembly fixed to an interior surface of the housing; a first rotor assembly disposed at least partially within the first stator assembly and attached to said first shaft that rotates about its axis, configured so that the first stator and the first rotor assembly together form a first motor-generator; a second stator assembly fixed to the interior surface of the housing; a second rotor assembly disposed at least partially within the second stator assembly and attached to said second shaft that rotates about its axis, so that the second stator and the second rotor assembly together form a second motor-generator; a power transfer unit disposed in the housing between the first and second motor-generators and coupled to the rotating shafts of the first and second rotor assemblies so as to enable rotation of the first and second rotating shafts at the same speed or relative to each other at different speeds with respect to the housing; a first power converter and controller configured to drive and control the first motor-generator, a second power converter and controller configured to drive and control the second motor-generator and; a supervisory controller coupled to the first power converter and controller, and to the second power converter and controller, to select one mode from a plurality of modes based on captured information including at least a current speed of the motor vehicle and a current acceleration demand of the motor vehicle, the plurality of modes including a first generation mode, a second motoring mode, and a third motoring and generation mode; and the supervisory controller configured to drive and control the first and second motor-generators according to the selected one of the modes, the supervisory controller to cause one of: the motor-generators to jointly charge a common energy storage device when the first generation mode is selected; the motor-generators to jointly discharge the common energy storage device to jointly assist the mechanical power source in driving an axle of a motor vehicle when the second motoring mode is selected; or one of the first and second motor-generators to individually charge the common energy storage device and the other of the first and second motor-generators to selectively discharge the common energy storage device to individually assist the mechanical power source in driving the axle of the hybrid vehicle when the third motoring and generation mode is selected.