Method for starting a hybrid drive

Details Method for starting a hybrid drive Method for starting a hybrid drive

2005-05-10

2005-05-10

Dolinar, Andrew M. (Department: 3747)

Internal-combustion engines

Starting device

Condition responsive control of starting device

C123S179280, C290S03600R

Reexamination Certificate

active

06889645

ABSTRACT:
A method for starting a hybrid drive having a battery, an internal combustion engine, and at least two electric machines, at least one being used to start the internal combustion engine. Reliable starting even at very low temperatures by bringing at least one of the electric machines to a specified or specifiable rotational speed in a state that is uncoupled from the internal combustion engine at the beginning of a starting phase, while electric power is supplied from the battery, and the electric machine is subsequently switched to generator operation; the electric power generated in generator operation is supplied to at least one further one of the electric machines which then starts the internal combustion engine.

REFERENCES:
patent: 4533011 (1985-08-01), Heidemeyer et al.
patent: 5698905 (1997-12-01), Ruthlein et al.
patent: 197 39 906 (1999-03-01), None
patent: 199 03 936 (2000-05-01), None
patent: 0 989 300 (2000-03-01), None
patent: WO 89 04081 (1989-05-01), None
patent: WO 00 26053 (2000-05-01), None
Derwent abstract published 1992 for SU 1,687,841 A1, Oct. 30, 1991, Chukseev et al.

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