Method of controlling a hybrid vehicle during regenerative deceleration

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United States of America Patent

PATENT NO 8292777
SERIAL NO

12205128

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of controlling a hybrid vehicle during regenerative deceleration, the method including: determining deceleration of the vehicle; upon determining deceleration of the vehicle, operating a reversible electric machine as a generator to regenerate part of the kinetic energy of the vehicle; establishing a respective minimum speed of an internal combustion engine for each gear of a servocontrolled mechanical power train; determining and engaging the highest gear which, combined with the current state of motion of the vehicle, runs the internal combustion engine at higher than the respective minimum speed; keeping the gear engaged as long as the internal combustion engine runs at higher than the respective minimum speed; and downshifting by one gear when the internal combustion engine runs at lower than the respective minimum speed.

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Patent Owner(s)

  • ENTE PER LE NUOVE TECNOLOGIE, L'ENERGIA E L'AMBIENTE-ENEA;MAGNETI MARELLI POWERTRAIN S.P.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gaviani, Giovanni Maria Rimini, IT 2 21
Puccetti, Angelo Bracciano, IT 3 62

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