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Title: Selective catalyst reduction light-off strategy

Abstract

An emissions control system includes a temperature determination module and an emissions control module. The temperature determination module determines a first temperature of a heater element of a diesel particulate filter (DPF) assembly in an exhaust system and determines a second temperature of a catalyst of the DPF assembly. The emissions control module selectively activates the heater element, selectively initiates a predefined combustion process in an engine based upon the first temperature, and selectively starts a reductant injection process based upon the second temperature.

Inventors:
 [1]
  1. Pinckney, MI
Issue Date:
Research Org.:
GM Global Technology Operations LLC
Sponsoring Org.:
USDOE
OSTI Identifier:
1028983
Patent Number(s):
8037673
Application Number:
11/946,256
Assignee:
GM Global Technology Operations LLC
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
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
DOE Contract Number:  
FC04-03AL67635
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION

Citation Formats

Gonze, Eugene V. Selective catalyst reduction light-off strategy. United States: N. p., 2011. Web.
Gonze, Eugene V. Selective catalyst reduction light-off strategy. United States.
Gonze, Eugene V. Tue . "Selective catalyst reduction light-off strategy". United States. https://www.osti.gov/servlets/purl/1028983.
@article{osti_1028983,
title = {Selective catalyst reduction light-off strategy},
author = {Gonze, Eugene V},
abstractNote = {An emissions control system includes a temperature determination module and an emissions control module. The temperature determination module determines a first temperature of a heater element of a diesel particulate filter (DPF) assembly in an exhaust system and determines a second temperature of a catalyst of the DPF assembly. The emissions control module selectively activates the heater element, selectively initiates a predefined combustion process in an engine based upon the first temperature, and selectively starts a reductant injection process based upon the second temperature.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {10}
}

Patent:

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