Method of controlling hydrocarbon accumulation in a particulate filter under certain operating conditions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 6, 2011
Grant Date -
Nov 12, 2009
app pub date -
May 9, 2008
filing date -
May 9, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
One embodiment of the invention includes a method of operating an internal combustion engine system comprising an engine, an oxidation catalyst, and a particulate filter, the method comprising: determining if the outlet temperature of exhaust gas from the oxidation catalyst is below a first temperature, measuring the time that the outlet temperature of exhaust gas from the oxidation catalyst is below the first temperature, determining if the measured time has exceeded a first time period, and if so, elevating the temperature of the exhaust gas exiting the oxidation catalyst.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully