| 6,843,051 Method and apparatus for controlling lean-burn engine to purge trap of stored NOx
|
0 |
2000
|
| 6,810,659 Method for determining emission control system operability
|
2 |
2000
|
| 6,708,483 Method and apparatus for controlling lean-burn engine based upon predicted performance impact
|
3 |
2000
|
| 6,629,453 Method and apparatus for measuring the performance of an emissions control device
|
3 |
2000
|
| 6,594,989 Method and apparatus for enhancing fuel economy of a lean burn internal combustion engine
|
30 |
2000
|
| 6,691,507 Closed-loop temperature control for an emission control device
|
10 |
2000
|
| 6,860,100 Degradation detection method for an engine having a NOx sensor
|
2 |
2001
|
| 6,694,244 Method for quantifying oxygen stored in a vehicle emission control device
|
5 |
2001
|
| 6,691,020 Method and system for optimizing purge of exhaust gas constituent stored in an emission control device
|
2 |
2001
|
| 6,650,991 Closed-loop method and system for purging a vehicle emission control
|
2 |
2001
|
| 6,615,577 Method and system for controlling a regeneration cycle of an emission control device
|
20 |
2001
|
| 6,604,504 Method and system for transitioning between lean and stoichiometric operation of a lean-burn engine
|
6 |
2001
|
| 6,553,754 Method and system for controlling an emission control device based on depletion of device storage capacity
|
13 |
2001
|
| 6,990,799 Method of determining emission control system operability
|
7 |
2001
|
| 7,168,239 Method and system for rapid heating of an emission control device
|
8 |
2002
|
| 7,111,450 Method for controlling the temperature of an emission control device
|
11 |
2002
|
| 7,032,572 Method for controlling an engine to obtain rapid catalyst heating
|
5 |
2002
|
| 6,925,982 Overall scheduling of a lean burn engine system
|
1 |
2002
|
| 6,868,827 Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device
|
20 |
2002
|
| 6,769,398 Idle speed control for lean burn engine with variable-displacement-like characteristic
|
26 |
2002
|
| 6,758,185 Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics
|
25 |
2002
|
| 6,745,747 Method for air-fuel ratio control of a lean burn engine
|
19 |
2002
|
| 6,735,938 Method to control transitions between modes of operation of an engine
|
44 |
2002
|
| 6,736,120 Method and system of adaptive learning for engine exhaust gas sensors
|
10 |
2002
|
| 6,736,121 Method for air-fuel ratio sensor diagnosis
|
48 |
2002
|
| 6,725,830 Method for split ignition timing for idle speed control of an engine
|
8 |
2002
|
| 6,715,462 Method to control fuel vapor purging
|
22 |
2002
|
| 6,568,177 Method for rapid catalyst heating
|
84 |
2002
|
| 6,874,490 Method and system of adaptive learning for engine exhaust gas sensors
|
14 |
2004
|
| 6,955,155 Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device
|
6 |
2004
|
| 7,059,112 Degradation detection method for an engine having a NOx sensor
|
10 |
2004
|
| 7,047,932 Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics
|
2 |
2004
|
| 7,069,903 Idle speed control for lean burn engine with variable-displacement-like characteristic
|
8 |
2004
|
| 5,289,678 Apparatus and method of on-board catalytic converter efficiency monitoring
|
27 |
1992
|
| 6,539,704 Method for improved vehicle performance
|
4 |
2000
|
| 6,499,293 Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine
|
9 |
2000
|
| 6,487,849 Method and apparatus for controlling lean-burn engine based upon predicted performance impact and trap efficiency
|
13 |
2000
|
| 6,487,850 Method for improved engine control
|
9 |
2000
|
| 6,481,199 Control for improved vehicle performance
|
10 |
2000
|
| 6,477,832 Method for improved performance of a vehicle having an internal combustion engine
|
13 |
2000
|
| 6,438,944 Method and apparatus for optimizing purge fuel for purging emissions control device
|
9 |
2000
|
| 6,434,930 Method and apparatus for controlling lean operation of an internal combustion engine
|
2 |
2000
|
| 6,427,437 Method for improved performance of an engine emission control system
|
6 |
2000
|
| 6,374,597 Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent
|
13 |
2000
|
| 6,360,530 Method and apparatus for measuring lean-burn engine emissions
|
7 |
2000
|
| 6,327,847 Method for improved performance of a vehicle
|
13 |
2000
|
| 6,308,515 Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent
|
15 |
2000
|
| 6,308,697 Method for improved air-fuel ratio control in engines
|
10 |
2000
|
| 6,389,803 Emission control for improved vehicle performance
|
7 |
2000
|
| 6,546,718 Method and system for reducing vehicle emissions using a sensor downstream of an emission control device
|
5 |
2001
|
| 6,539,706 Method and system for preconditioning an emission control device for operation about stoichiometry
|
1 |
2001
|
| 6,502,387 Method and system for controlling storage and release of exhaust gas constituents in an emission control device
|
11 |
2001
|
| 6,490,860 Open-loop method and system for controlling the storage and release cycles of an emission control device
|
7 |
2001
|
| 6,487,853 Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor
|
7 |
2001
|
| 6,467,259 Method and system for operating dual-exhaust engine
|
44 |
2001
|
| 6,463,733 Method and system for optimizing open-loop fill and purge times for an emission control device
|
31 |
2001
|
| 6,453,666 Method and system for reducing vehicle tailpipe emissions when operating lean
|
3 |
2001
|
| 6,490,856 Control for improved vehicle performance
|
8 |
2002
|
