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Class Information
Number: 60/296
Name: Power plants > Internal combustion engine with treatment or handling of exhaust gas > By means producing a chemical reaction of a component of the exhaust gas > Having means for regenerating, replacing, or feeding liquid or solid reagent or catalyst > Flow reversing structure
Description: Apparatus in which cleaning or regenerating is accomplished by reversing the flow of fluid through the agent, reactant or catalytic material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8689547 Annular heat exchanger Apr. 8, 2014
8661785 System and method for liquid reductant injection Mar. 4, 2014
8621851 Particle filter arrangement Jan. 7, 2014
8516797 Control of exhaust flow in an engine including a particulate filter Aug. 27, 2013
8499548 Flow device for an exhaust system Aug. 6, 2013
8424296 Annular heat exchanger Apr. 23, 2013
8341946 Exhaust-gas aftertreatment system Jan. 1, 2013
8327629 Black exhaust purification apparatus for diesel engine Dec. 11, 2012
8327630 Exhaust emission control device Dec. 11, 2012
8307631 Cold start hydrocarbon emission reduction control strategy for active hydrocarbon adsorber Nov. 13, 2012
8297045 Exhaust gas treating apparatus and treating method Oct. 30, 2012
8281574 Exhaust-gas processing device for a diesel engine Oct. 9, 2012
8261538 Compact exhaust gas aftertreatment system Sep. 11, 2012
8225600 Method for remediating emissions Jul. 24, 2012
8225598 Metering device for liquid reducing agent Jul. 24, 2012
8181452 Particulate filter regeneration during engine shutdown May. 22, 2012
8161738 Systems and methods for estimating particulate load in a particulate filter Apr. 24, 2012
8099950 Exhaust gas purifying apparatus for internal combustion engine Jan. 24, 2012
8015802 Exhaust gas purification device for internal combustion engine Sep. 13, 2011
7992382 Particulate trap system and method Aug. 9, 2011
7900443 Particle filter arrangement Mar. 8, 2011
RE42156 Exhaust emission control system of an internal combustion engine Feb. 22, 2011
7891172 Purification capacity recovery method of exhaust gas emission control system Feb. 22, 2011
7856807 Flow reversal chambers for increased residence time Dec. 28, 2010
7841171 Exhaust emission control device for internal combustion engine Nov. 30, 2010
7827782 Method for remediating emissions Nov. 9, 2010
7797928 Method and apparatus for purifying exhaust gases Sep. 21, 2010
7752839 Exhaust emission purifying apparatus Jul. 13, 2010
7743606 Exhaust catalyst system Jun. 29, 2010
7721536 Particulate filter having expansible capture structure for particulate removal May. 25, 2010
7640731 Method for controlling exhaust gas flow and temperature through regenerable exhaust gas treatment devices Jan. 5, 2010
7614221 Exhaust purification device and an exhaust purification method of an internal combustion engine Nov. 10, 2009
7530221 Internal combustion engine including dual particulate filter with ash accumulation receptacle May. 12, 2009
7503170 Structure for filtering an internal engine exhaust gases and associated exhaust line Mar. 17, 2009
7481047 Reflection catalytic converter Jan. 27, 2009
7430855 Muffling apparatus having exhaust emission purifying function Oct. 7, 2008
7398645 Reversing flow catalytic converter for internal combustion engines Jul. 15, 2008
7399452 Meander-type catalytic converter Jul. 15, 2008
7326265 Method for cleaning the upstream surface of a particulate filter Feb. 5, 2008
7296402 Diesel particulate filter service method Nov. 20, 2007
7296403 Dual walled particular filter for transporting filtered exhaust to a compressor of a diesel engine turbocharger Nov. 20, 2007
7273514 Apparatus and method for filtering particulate and NOx emissions Sep. 25, 2007
7269942 Wall flow particulate trap system Sep. 18, 2007
7219491 Exhaust emission control apparatus of internal combustion engine and method thereof May. 22, 2007
7219493 Filter regeneration in engine exhaust gas purification device May. 22, 2007
7210287 Accelerating catalytic conversion May. 1, 2007
7171801 Filter system Feb. 6, 2007
7160355 Method and system for regenerating diesel particle filters Jan. 9, 2007
7080505 Vehicular atmosphere cleansing method Jul. 25, 2006
7062908 Construction for exhaust emission control Jun. 20, 2006

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