Evolution of Lean-NOx traps on PFI and DISI lean burn vehicles
D Gregory, RA Marshall, B Eves, M Dearth, J Hepburn… - SAE transactions, 1999 - JSTOR
This paper charts the development of three three-way catalyst (TWC) and four lean-NOx trap
(LNT) formulations in four vehicle systems over a four-year period. All LNTs were installed in …
(LNT) formulations in four vehicle systems over a four-year period. All LNTs were installed in …
Lean NOx Trap for Heavy-Duty On-Road Applications-A Feasible Alternative?
M Tatur, E Koehler, M Laermann, D Tomazic, T Holland… - 2007 - sae.org
The implementation and development efforts of lean NOx trap catalysts for heavy-duty
applications decreased a number of years ago. Most heavy-duty engine manufacturers …
applications decreased a number of years ago. Most heavy-duty engine manufacturers …
Optimising the aftertreatment configuration for nox regeneration on a lean-NOx trap
RA Marshall, D Gregory, B Eves, G Peirce, T Taylor… - SAE transactions, 1999 - JSTOR
This paper describes a series of vehicle emission tests on a port-fuel injected lean-burn
engine, to determine the preferred aftertreatment configuration yielding the most efficient …
engine, to determine the preferred aftertreatment configuration yielding the most efficient …
Characterization of lean NOx trap catalysts with in-cylinder regeneration strategies
Lean NOx trap (LNT) catalysts with different formulations have been characterized on a light-
duty diesel engine platform. Two in-cylinder regeneration strategies were used during the …
duty diesel engine platform. Two in-cylinder regeneration strategies were used during the …
A one-dimensional lean NOx trap model with a global kinetic mechanism that includes NH3 and N2O
Eaton has developed an aftertreatment system for medium-and heavy-duty diesel engines in
response to the US 2010 regulations. This system consists of a fuel reformer, a lean NO x …
response to the US 2010 regulations. This system consists of a fuel reformer, a lean NO x …
Compression ignition 6-stroke cycle investigations
DR Williams, C Koci, S Fiveland - SAE International Journal of Engines, 2014 - JSTOR
Driven by the desire to implement low-cost, high-efficiency NOx aftertreatment systems, such
as Three Way Catalysts (TWC) or Lean NOx Traps (LNT), a novel 6-Stroke engine cycle was …
as Three Way Catalysts (TWC) or Lean NOx Traps (LNT), a novel 6-Stroke engine cycle was …
Lean gasoline engine reductant chemistry during lean NOx trap regeneration
ABSTRACT Lean NOx Trap (LNT) catalysts can effectively reduce NOx from lean engine
exhaust. Significant research for LNTs in diesel engine applications has been performed …
exhaust. Significant research for LNTs in diesel engine applications has been performed …
Laboratory and vehicle demonstration of “2nd-generation” LNT+ in-situ SCR diesel NOX emission control systems
L Xu, R McCabe, M Dearth, W Ruona - SAE International Journal of Fuels …, 2010 - JSTOR
This study extends research previously reported from our laboratory [SAE 2009-01-0285] on
diesel NOx control utilizing a new generation of Lean NOx Trap (LNT) plus insitu Selective …
diesel NOx control utilizing a new generation of Lean NOx Trap (LNT) plus insitu Selective …
Lean NOX trap system design for cost reduction and performance improvement
J Theis, J Lupescu, J Ura, R McCabe - 2006 - sae.org
The effects of PGM zoning and washcoat staging have been investigated as a means to
lower the cost and simultaneously improve the performance of a lean NOx trap system. It is …
lower the cost and simultaneously improve the performance of a lean NOx trap system. It is …
Effects of Rapid High Temperature Cyclic Aging on a Fully-Formulated Lean NOx Trap Catalyst
NA Ottinger, K Nguyen, BG Bunting, TJ Toops… - SAE International Journal …, 2009 - JSTOR
In this study, high-temperature deactivation of a fully-formulated lean NOx trap (LNT) is
investigated with an accelerated aging protocol where accelerated aging is accomplished …
investigated with an accelerated aging protocol where accelerated aging is accomplished …