Systems and methods for improving engine emissions during starting

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United States of America Patent

PATENT NO 9644559
APP PUB NO 20170022918A1
SERIAL NO

14806085

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Abstract

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Systems and methods for improving emissions of an internal combustion engine are presented. In one example, engine crankshaft acceleration is a basis for estimating engine air-fuel ratio during engine starting when output of an oxygen sensor may be unavailable. An actual engine air-fuel ratio may be adjusted in response to the estimated engine air-fuel ratio.

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Patent Owner(s)

Patent OwnerAddress
FORD GLOBAL TECHNOLOGIES LLCONE AMERICAN ROAD FL4 DEARBORN MI 48126

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fried, Marcus William Farmington Hills, US 9 83
Lehmen, Allen Howell, US 16 103
Pedro, David Windsor, CA 3 16
Ranspach, Paul Mahlon Allen Park, US 4 14

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