Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings

Title: Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings

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Abstract

An exhaust system that processes exhaust generated by an engine includes a diesel particulate filter (DPF) that is disposed downstream of the engine and that filters particulates from the exhaust. An electrical heater is integrally formed in an upstream end of the DPF and selectively heats the exhaust to initiate combustion of the particulates within the exhaust as it passes therethrough. Heat generated by combustion of the particulates induces combustion of particulates within the DPF.

Inventors:

Williamson, Weldon S ^[1]; Gonze, Eugene V ^[2]

Malibu, CA
Pinckney, MI

Issue Date:: 2008-12-30

Research Org.:: GM Global Technology Operations, Inc. (Detroit, MI)

Sponsoring Org.:: USDOE

OSTI Identifier:: 985547

Patent Number(s):: 7469532

Application Number:: US patent applicaton 11/233,450

Assignee:: GM Global Technology Operations, Inc. (Detroit, MI)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01N - GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES

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F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01N - GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
F01N9/002 - {of filter regeneration, e.g. detection of clogging}
F01N13/009 - {having two or more separate purifying devices arranged in series}

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
F02D41/029 - {the exhaust gas treating apparatus being a particulate filter}

F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01N - GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
F01N13/0097 - {the purifying devices are arranged in a single housing}
F01N3/027 - using electric or magnetic heating means

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
F02D2200/0406 - Intake manifold pressure

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES
F02B37/00 - Engines characterised by provision of pumps driven at least for part of the time by exhaust

F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01N - GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
F01N11/005 - {the temperature or pressure being estimated, e.g. by means of a theoretical model}
F01N13/107 - {More than one exhaust manifold or exhaust collector}
F01N3/0222 - {the structure being monolithic, e.g. honeycombs}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S55/30 - Exhaust treatment

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T10/40 - Engine management systems

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
F02D2200/0812 - Particle filter loading

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DOE Contract Number:: FC04-03AL67635

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING

Citation Formats


                    Williamson, Weldon S, and Gonze, Eugene V. Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings.  United States: N. p., 2008. 
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                    Williamson, Weldon S, & Gonze, Eugene V. Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings.  United States.

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                    Williamson, Weldon S, and Gonze, Eugene V. Tue .  
        "Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings".  United States.  https://www.osti.gov/servlets/purl/985547.

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@article{osti_985547,

  title        = {Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings},

  author       = {Williamson, Weldon S and Gonze, Eugene V},

  abstractNote = {An exhaust system that processes exhaust generated by an engine includes a diesel particulate filter (DPF) that is disposed downstream of the engine and that filters particulates from the exhaust. An electrical heater is integrally formed in an upstream end of the DPF and selectively heats the exhaust to initiate combustion of the particulates within the exhaust as it passes therethrough. Heat generated by combustion of the particulates induces combustion of particulates within the DPF.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2008},

  month        = {12}

}

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