Hybrid powertrain and a method for controlling a hybrid...

Details Hybrid powertrain and a method for controlling a hybrid... Hybrid powertrain and a method for controlling a hybrid...

2007-03-09

2010-11-16

Wright, Dirk (Department: 3655)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

Reexamination Certificate

active

07833125

ABSTRACT:
A hybrid powertrain includes a combustion engine operable to output rotational power thereat, an electric machine arrangement operable to output rotational power thereat, a gearbox arrangement for receiving rotational power from at least one of the combustion engine and the electric machine arrangement and being operable to couple motive power to a load coupled to the gearbox arrangement. The gearbox arrangement is operable to provide a plurality of gearing ratios. The electric machine arrangement is employable to extend a rotation rate range provided in a given gearing ratio: at higher rotation rates prior to a gear change from said given gearing ratio to a gearing ratio subsequent thereto; or at both lower rotation rates when accelerating from a standstill or from a preceding gear, and at higher rotation rates prior to a gear change from said given gearing ratio to a gearing ratio subsequent thereto.

REFERENCES:
patent: 5713425 (1998-02-01), Buschhaus et al.
patent: 6656082 (2003-12-01), Yamada et al.
patent: 7223201 (2007-05-01), Colvin et al.
patent: 2003/0069103 (2003-04-01), Ibamoto et al.
patent: 9715979 (1997-05-01), None
patent: 2005016681 (2005-02-01), None
International Search Report for corresponding International Application PCT/SE2007/000227.
International Preliminary Report on Patentability for corresponding International Application PCT/SE2007/000227.

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