Motor vehicles – Power – Electric
Reexamination Certificate
2006-02-21
2006-02-21
Restifo, Jeff (Department: 3618)
Motor vehicles
Power
Electric
C180S065700, C477S003000, C903S918000, C903S945000
Reexamination Certificate
active
07000717
ABSTRACT:
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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Ai Xiaolan
Mohr Terry W.
Polster Lieder Woodruff & Lucchesi L.C.
Restifo Jeff
The Timken Company
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