Apparent torque reserve at idle for direct injected engines

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United States of America Patent

PATENT NO 7322339
SERIAL NO

11530678

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Abstract

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A fuel injection system for a direct fuel injection (DFI) engine is provided. The system includes: injection mode module selects a fuel injection mode to be one of a single injection mode and a dual injection mode during DFI engine idle operation based on a torque request; and a fuel injection command module that commands fuel injection events based on a crankshaft position and the fuel injection mode.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C22-A68 DETROIT MI 48265-3000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gwidt, Jesse M Brighton, MI 16 68
Lucido, Michael J Northville, MI 37 210
Sczomak, David P Troy, MI 25 182
Wiles, Matthew A Royal Oak, MI 13 201

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