Target particulate matter filter regeneration and temperature control system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8429899
APP PUB NO 20120031072A1
SERIAL NO

12852744

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Abstract

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A regeneration system includes a particulate matter (PM) filter loading module that determines a current soot loading level of a PM filter. A PM filter temperature module determines a temperature of the PM filter. An exhaust flow rate module determines an exhaust flow rate of the PM filter. A control module deactivates an air pump of an air pump circuit and operates an engine within a predetermined range of stoichiometry based on the current soot loading, the temperature and the exhaust flow rate.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS INC300 RENAISSANCE CENTER DETROIT MI 48265-3000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gonze, Eugene V Pinckney, US 195 1878
Paratore,, Jr Michael J Howell, US 109 893
Santoso, Halim G Novi, US 47 437

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