Inventor
ROBERTS JR CHARLES E
US29 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS JR CHARLES E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SOUTHWEST RES INST
19 patentsUS7721541B2May 25, 2010
Secondary internal combustion device for providing exhaust gas to EGR-equipped engine
SOUTHWEST RES INST59 citations97
US6732507B1May 11, 2004
NOx aftertreatment system and method for internal combustion engines
SOUTHWEST RES INST193 citations97
US6662760B1Dec 16, 2003
Method and apparatus for controlling combustion timing in an homogenous-charge compression-ignition engine
SOUTHWEST RES INST30 citations92
US6557520B2May 6, 2003
Multi-zone combustion chamber and method for combustion control in compression-ignited reciprocating engines
SOUTHWEST RES INST28 citations92
US7010914B1Mar 14, 2006
Method for controlling boost pressure in a turbocharged diesel engine
SOUTHWEST RES INST44 citations91
US6948310B2Sep 27, 2005
Use of a variable valve actuation system to control the exhaust gas temperature and space velocity of aftertreatment system feedgas
SOUTHWEST RES INST40 citations90
US8562924B1Oct 22, 2013
Control of NO/NOx ratio to improve SCR efficiency for treating engine exhaust
SOUTHWEST RES INST8 citations84
US7142975B2Nov 28, 2006
Virtual cylinder pressure sensor with individual estimators for pressure-related values
SOUTHWEST RES INST12 citations83
US7621120B2Nov 24, 2009
Hybrid technology for lean NOx trap and particulate filter regeneration control
SOUTHWEST RES INST13 citations81
US9512871B2Dec 6, 2016
Variable area journal bearing
SOUTHWEST RES INST3 citations73
US6966309B1Nov 22, 2005
In-cylinder reburn method for emissions reduction
SOUTHWEST RES INST10 citations73
US7299623B2Nov 27, 2007
Method for controlling exhaust gas temperature and space velocity during regeneration to protect temperature sensitive diesel engine components and aftertreatment devices
SOUTHWEST RES INST7 citations72
US7236876B2Jun 26, 2007
Use of transient data to derive steady state calibrations for dynamic systems
SOUTHWEST RES INST7 citations69
US7017547B2Mar 28, 2006
Method and apparatus for controlling liquid-phase fuel penetration distance in a direct-fuel injected engine
SOUTHWEST RES INST5 citations61
US11519356B2Dec 6, 2022
Techniques for engine cooling using supercritical fluids and a combustion engine system implementing the same
SOUTHWEST RES INST0 citations59
US11168605B2Nov 9, 2021
Manufacture of heat transfer jackets
SOUTHWEST RES INST1 citations58
US9512762B2Dec 6, 2016
Internal combustion engine having dedicated cylinder(s) for generation of both EGR and exhaust aftertreatment reductant for NOx-reducing catalyst
SOUTHWEST RES INST0 citations51
US6792899B2Sep 21, 2004
Method and apparatus for active control of combustion rate through modulation of heat transfer from the combustion chamber wall
SOUTHWEST RES INST1 citations51
US9181980B2Nov 10, 2015
Fluid bearings with adjustable frictional load characteristics
SOUTHWEST RES INST0 citations42
ROTHBAUER RAINER J
4 patentsUS8459229B2Jun 11, 2013
Piston bowl with spray jet targets
ROTHBAUER RAINER J34 citations89
US9279361B2Mar 8, 2016
Piston bowl with spray jet targets
ROTHBAUER RAINER J10 citations81
US8555854B2Oct 15, 2013
Piston bowl with deflecting features
ROTHBAUER RAINER J6 citations70
US8677974B2Mar 25, 2014
Piston bowl with flat bottom
ROTHBAUER RAINER J6 citations68