Method and apparatus for reducing engine cycling in hybrid electric vehicle

This invention relates in general to hybrid motor vehicles operable by either an electric motor or a liquid fuel powered internal combustion engine and, in particular, to a method and system for reducing the cycling of the engine during non-propulsive operations. A method and system that responds to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Crombez, Dale Scott, Curran, Patrick Joseph, Napier, Steven Lee
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This invention relates in general to hybrid motor vehicles operable by either an electric motor or a liquid fuel powered internal combustion engine and, in particular, to a method and system for reducing the cycling of the engine during non-propulsive operations. A method and system that responds to non-propulsive needs of a hybrid vehicle by setting at least two thresholds related to engine support: one threshold to keep a running engine ON and a another threshold to turn the engine ON from an OFF state.