Method for controlling a HEV fuel pump

The present disclosure relates to a computer-implemented method of controlling an engine fuel pump in a hybrid-electric vehicle. The method includes: cycling a vehicle powertrain between an electric mode, where an engine is commanded off, and a mechanical mode, where the engine is commanded on; depo...

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Bibliographic Details
Main Authors PIER KENNETH L, BRUNAIS JESSE D. L, LINDLBAUER MIKE PAUL, MARTIN DOUGLAS RAYMOND
Format Patent
LanguageEnglish
Published 04.12.2012
Subjects
BLASTING
COMBUSTION ENGINES
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
TRANSPORTING
VEHICLES IN GENERAL
WEAPONS
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Summary:The present disclosure relates to a computer-implemented method of controlling an engine fuel pump in a hybrid-electric vehicle. The method includes: cycling a vehicle powertrain between an electric mode, where an engine is commanded off, and a mechanical mode, where the engine is commanded on; depowering an engine fuel pump when the engine is commanded off; and determining if the engine is operating in a fuel shut-off mode.
Bibliography:Application Number: US201113336665