Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate
2007-09-04
2007-09-04
Nguyen, Tu M. (Department: 3748)
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
C060S274000, C060S277000, C060S297000, C055SDIG030, C701S102000, C701S107000
Reexamination Certificate
active
11227824
ABSTRACT:
An apparatus, system, and method are disclosed for detecting and evaluating a filter regeneration event. The apparatus, in one embodiment, is configured to determine whether an oxidation rate of soot accumulated on a particulate filter has attained a level sufficient to indicate that a filter regeneration event is occurring. The apparatus may include an input module for receiving input relative to engine operating conditions and exhaust gas produced as a byproduct of engine operation, an oxidation module for communicating with the input module and for determining an oxidation rate of soot accumulated on a particulate filter from the input, and a regeneration detection module to determine whether a filter regeneration event is occurring. The apparatus may further categorize a detected filter regeneration event and to facilitate defining the actual condition of soot on a particulate filter.
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Wills J. Steve
Wills Joan
Cummins Inc.
Kunzler & Associates
Nguyen Tu M.
Schelkopf J. Bruce
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