SYSTEMS AND METHODS FOR MANAGING TEMPERATURE OF AN ELECTRIC MACHINE OF A HYBRID ELECTRIC VEHICLE

Methods and systems are provided for operating a driveline of a hybrid vehicle during conditions when a temperature of a motor/generator is increasing. In one example, a method is provided that adjusts engine speed as a function of motor/generator temperature while maintaining engine power output wh...

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Bibliographic Details
Main Authors Belt, Bryan Whitney D, Kizer, Lucas, Lechlitner, Craig, Okubo, Carol Louise
Format Patent
LanguageEnglish
Published 10.06.2021
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
TRANSPORTING
VEHICLES IN GENERAL
WEAPONS
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Summary:Methods and systems are provided for operating a driveline of a hybrid vehicle during conditions when a temperature of a motor/generator is increasing. In one example, a method is provided that adjusts engine speed as a function of motor/generator temperature while maintaining engine power output when driver demand wheel power is constant.
Bibliography:Application Number: US201916707291