Drive train

Details Drive train Drive train

2007-01-19

2010-10-05

Lewis, Tisha D (Department: 3655)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C477S007000, C903S930000, C903S912000, C180S065220, C180S065260, C180S065285, C417S016000

Reexamination Certificate

active

07806800

ABSTRACT:
In a drive train and a method for operating the drive train for a motor vehicle, comprising a hydraulically shiftable transmission unit with an input shaft connectable to an internal combustion engine via a first clutch, a first electric motor, and an oil pump which supplies the transmission unit with pressurized oil and which is driven by the internal combustion engine or by an electric pump motor, the electric pump motor for driving the oil pump is in the form of a sensorless electric motor, and if required, the first electric motor is energized and coupled to the oil pump in order to assist starting the electric pump motor.

REFERENCES:
patent: 6447256 (2002-09-01), Bussard
patent: 6863140 (2005-03-01), Noreikat et al.
patent: 6964631 (2005-11-01), Moses et al.
patent: 7056260 (2006-06-01), Nakamori et al.
patent: 38 12 412 (1989-10-01), None
patent: 697 07 986 (1998-01-01), None
patent: 1 216 871 (2002-06-01), None
patent: 11 287316 (1999-10-01), None
patent: WO 99/25979 (1999-05-01), None
Translation of IDS reference JP 11-287316.

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