| 摘要 |
A power split hybrid wheel drive system of the present invention comprises a planetary gear train ( 16 ) coupled to the output shaft of a driving engine ( 12 ). A primary motor or generator ( 18 ) is coupled to an output shaft of the planetary gear train ( 16 ) for receiving power therefrom, and a secondary motor or generator ( 30, 32 ) is associated with each driven vehicle wheel ( 14 ) to provide an electrical power pathway. A mechanical differential gear train ( 20 ) is coupled between the output shaft of the planetary gear train ( 16 ) and each driven vehicle wheel; ( 14 ) to provide a mechanical power pathway, while a mechanical clutch ( 22 ) and brake system ( 24 ) is configured to regulate the mechanical power routed to the differential gear train ( 20 ). A control system ( 48 ) is included to regulate the flow of electrical power between the primary motor ( 18 ) and secondary motors or generators ( 30, 32 ).
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