System and method for controlling an engine in a hybrid vehicle

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United States of America Patent

PATENT NO 9862371
SERIAL NO

12916809

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method is provided for controlling a hybrid electric vehicle. The vehicle includes at least one motor-generator, an internal combustion engine employing a camshaft and a camshaft phaser, and an energy-storage device operatively connected to the engine and to the at least one motor-generator. The method includes determining whether a deceleration of the vehicle is desired, and ceasing a supply of fuel to the engine when the deceleration is desired. The method additionally includes regulating the camshaft phaser to a predetermined fuel cut-off position when the supply of fuel to the engine has been ceased, such that a magnitude of compression pulses in the engine is reduced relative to when the engine is being fueled. A system for controlling the hybrid electric vehicle and for executing the above method is also provided.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aldrich,, III William L Davisburg, US 27 258
Pitsch, Michael J Ann Arbor, US 13 255
Reeves, Shannon E Wixom, US 2 6
Wang, Lan Troy, US 189 1879

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