Kevin P. Duffy

Person

E. Peoria, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Internal combustion engine and operating method therefor
- Patent number 8,069,835
- Issue date Dec 6, 2011
- Caterpillar Inc.
- Carl-Anders Hergart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method of operating an internal combustion engine
- Patent number 7,661,263
- Issue date Feb 16, 2010
- Caterpillar, Inc.
- Gerald N. Coleman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for selecting fuel to both optimize the operating range and...
- Patent number 7,487,663
- Issue date Feb 10, 2009
- ExxonMobil Research & Engineering Co.
- Rafal A. Sobotowski
- G01 - MEASURING TESTING
Information Patent Grant
High load operation in a homogeneous charge compression ignition en...
- Patent number 7,469,181
- Issue date Dec 23, 2008
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method of transitioning between operating modes in an internal comb...
- Patent number 7,422,000
- Issue date Sep 9, 2008
- Caterpillar Inc.
- Mary L. Kesse
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Dynamic control of a homogeneous charge compression ignition engine
- Patent number 7,380,540
- Issue date Jun 3, 2008
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust gas recirculation in a homogeneous charge compression ignit...
- Patent number 7,377,270
- Issue date May 27, 2008
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
System and method for balancing an engine during cylinder cutout
- Patent number 7,377,250
- Issue date May 27, 2008
- Caterpillar Inc.
- Kevin Patrick Duffy
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Extending operating range of a homogeneous charge compression ignit...
- Patent number 7,377,254
- Issue date May 27, 2008
- Caterpillar Inc.
- Carl-Anders Hergart
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for delivering multiple fuel injections to the...
- Patent number RE40144
- Issue date Mar 11, 2008
- Caterpillar Inc.
- Kevin P. Duffy
- 123 - Internal-combustion engines
Information Patent Grant
Combustion engine including cam phase-shifting
- Patent number 7,252,054
- Issue date Aug 7, 2007
- Caterpillar Inc.
- James R. Weber
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Engine system and method of operating same over multiple engine loa...
- Patent number 7,219,649
- Issue date May 22, 2007
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Fuel injector spray alteration through a moveable tip sleeve
- Patent number 7,210,640
- Issue date May 1, 2007
- Caterpillar Inc
- John M. Clarke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Mixed mode control method and engine using same
- Patent number 7,201,137
- Issue date Apr 10, 2007
- Caterpillar Inc.
- Mary L. Kesse
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Combustion engine including fluidically-driven engine valve actuator
- Patent number 7,201,121
- Issue date Apr 10, 2007
- Caterpillar Inc.
- James R. Weber
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Low emissions compression ignited engine technology
- Patent number 7,198,024
- Issue date Apr 3, 2007
- Caterpillar Inc.
- Gerald N. Coleman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Air and fuel supply system for a combustion engine
- Patent number 7,191,743
- Issue date Mar 20, 2007
- Caterpillar Inc.
- James R. Weber
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Air and fuel supply system for combustion engine
- Patent number 7,178,492
- Issue date Feb 20, 2007
- Caterpillar Inc.
- Gerald N. Coleman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for controlling exhaust emissions from direct injection homo...
- Patent number 7,131,402
- Issue date Nov 7, 2006
- Caterpillar Inc.
- Rafal A. Sobotowski
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Engine cylinder temperature control
- Patent number 6,948,482
- Issue date Sep 27, 2005
- Caterpillar Inc.
- Jonathan Patrick Kilkenny
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method of utilizing multiple fuel injections to reduce engine emiss...
- Patent number 6,845,747
- Issue date Jan 25, 2005
- Caterpillar Inc.
- Jason J. Rasmussen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Cylinder to cylinder balancing using intake valve actuation
- Patent number 6,843,231
- Issue date Jan 18, 2005
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for delivering multiple fuel injections to the...
- Patent number 6,691,671
- Issue date Feb 17, 2004
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Air and fuel supply system for combustion engine
- Patent number 6,651,618
- Issue date Nov 25, 2003
- Caterpillar Inc.
- Gerald N. Coleman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Partitioning of a governor fuel output into three separate fuel qua...
- Patent number 6,606,974
- Issue date Aug 19, 2003
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method and apparatus for delivering multiple fuel injections to the...
- Patent number 6,491,018
- Issue date Dec 10, 2002
- Caterpillar Inc.
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Separate injector main timing maps for use with and without pilot
- Patent number 6,470,849
- Issue date Oct 29, 2002
- Caterpillar Inc.
- Kevin P. Duffy
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for delivering multiple fuel injections to the...
- Patent number 6,467,452
- Issue date Oct 22, 2002
- Caterpillar Inc.
- Kevin P. Duffy
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for controlling fuel injection signals during...
- Patent number 6,453,874
- Issue date Sep 24, 2002
- Caterpillar Inc.
- Kevin P. Duffy
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for controlling the current level of a fuel in...
- Patent number 6,390,082
- Issue date May 21, 2002
- Caterpillar Inc.
- Kevin P. Duffy
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Internal combustion engine and operating method therefor
- Publication number 20100269783
- Publication date Oct 28, 2010
- Carl-Anders Hergart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Combustion balancing in a homogeneous charge compression ignition e...
- Publication number 20080178843
- Publication date Jul 31, 2008
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
HIGH LOAD OPERATION IN A HOMOGENEOUS CHARGE COMPRESSION IGNITION EN...
- Publication number 20080178848
- Publication date Jul 31, 2008
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
EXHAUST GAS RECIRCULATION IN A HOMOGENEOUS CHARGE COMPRESSION IGNIT...
- Publication number 20080092861
- Publication date Apr 24, 2008
- Kevin P. Duffy
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Power system
- Publication number 20080081734
- Publication date Apr 3, 2008
- Caterpillar Inc.
- Kevin Patrick Duffy
- B60 - VEHICLES IN GENERAL
Information Patent Application
Extending operating range of a homogeneous charge compression ignit...
- Publication number 20080029057
- Publication date Feb 7, 2008
- Carl-Anders Hergart
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Powertrain and method including HCCI engine
- Publication number 20080022686
- Publication date Jan 31, 2008
- Caterpillar Inc.
- John K. Amdall
- B60 - VEHICLES IN GENERAL
Information Patent Application
Method for selecting fuel to both optimize the operating range and...
- Publication number 20070246005
- Publication date Oct 25, 2007
- Rafal A. Sobotowski
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Air and fuel supply system for combustion engine
- Publication number 20070089707
- Publication date Apr 26, 2007
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Combustion engine including engine valve actuation system
- Publication number 20070089416
- Publication date Apr 26, 2007
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for combustion engine operating in HCCI...
- Publication number 20070089706
- Publication date Apr 26, 2007
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for combustion engine operating at optim...
- Publication number 20070079805
- Publication date Apr 12, 2007
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for combustion engine with particulate trap
- Publication number 20070068149
- Publication date Mar 29, 2007
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Engine system and method of operating same over multiple engine loa...
- Publication number 20070034188
- Publication date Feb 15, 2007
- Kevin P. Duffy
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MIXED MODE CONTROL METHOD AND ENGINE USING SAME
- Publication number 20070006841
- Publication date Jan 11, 2007
- Mary L. Kesse
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method of transitioning between operating modes in an internal comb...
- Publication number 20070006842
- Publication date Jan 11, 2007
- Mary L. Kesse
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Low emissions compression ignited engine technology
- Publication number 20060112928
- Publication date Jun 1, 2006
- Gerald N. Coleman
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method of operating an internal combustion engine
- Publication number 20060042233
- Publication date Mar 2, 2006
- Gerald N. Coleman
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Method for controlling exhaust emissions from direct injection homo...
- Publication number 20050268883
- Publication date Dec 8, 2005
- Rafal A. Sobotowski
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Combustion engine including fluidically-controlled engine valve act...
- Publication number 20050247286
- Publication date Nov 10, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for combustion engine operating at optim...
- Publication number 20050247284
- Publication date Nov 10, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for a combustion engine
- Publication number 20050241597
- Publication date Nov 3, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Combustion engine including cam phase-shifting
- Publication number 20050241613
- Publication date Nov 3, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for combustion engine with particulate trap
- Publication number 20050241302
- Publication date Nov 3, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for a combustion engine
- Publication number 20050241611
- Publication date Nov 3, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for combustion engine operating in HCCI...
- Publication number 20050235951
- Publication date Oct 27, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Combustion engine including engine valve actuation system
- Publication number 20050235953
- Publication date Oct 27, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Air and fuel supply system for combustion engine
- Publication number 20050235950
- Publication date Oct 27, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Combustion engine including fluidically-driven engine valve actuator
- Publication number 20050229901
- Publication date Oct 20, 2005
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Combustion engine including exhaust purification with on-board ammo...
- Publication number 20050229900
- Publication date Oct 20, 2005
- Caterpillar Inc.
- James R. Weber
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Kevin P. Duffy

Person

Patents Grantslast 30 patents

Internal combustion engine and operating method therefor

Method of operating an internal combustion engine

Method for selecting fuel to both optimize the operating range and...

High load operation in a homogeneous charge compression ignition en...

Method of transitioning between operating modes in an internal comb...

Dynamic control of a homogeneous charge compression ignition engine

Exhaust gas recirculation in a homogeneous charge compression ignit...

System and method for balancing an engine during cylinder cutout

Extending operating range of a homogeneous charge compression ignit...

Method and apparatus for delivering multiple fuel injections to the...

Combustion engine including cam phase-shifting

Engine system and method of operating same over multiple engine loa...

Fuel injector spray alteration through a moveable tip sleeve

Mixed mode control method and engine using same

Combustion engine including fluidically-driven engine valve actuator

Low emissions compression ignited engine technology

Air and fuel supply system for a combustion engine

Air and fuel supply system for combustion engine

Method for controlling exhaust emissions from direct injection homo...

Engine cylinder temperature control

Method of utilizing multiple fuel injections to reduce engine emiss...

Cylinder to cylinder balancing using intake valve actuation

Method and apparatus for delivering multiple fuel injections to the...

Air and fuel supply system for combustion engine

Partitioning of a governor fuel output into three separate fuel qua...

Method and apparatus for delivering multiple fuel injections to the...

Separate injector main timing maps for use with and without pilot

Method and apparatus for delivering multiple fuel injections to the...

Apparatus and method for controlling fuel injection signals during...

Method and apparatus for controlling the current level of a fuel in...

Patents Applicationslast 30 patents

Internal combustion engine and operating method therefor

Combustion balancing in a homogeneous charge compression ignition e...

HIGH LOAD OPERATION IN A HOMOGENEOUS CHARGE COMPRESSION IGNITION EN...

EXHAUST GAS RECIRCULATION IN A HOMOGENEOUS CHARGE COMPRESSION IGNIT...

Power system

Extending operating range of a homogeneous charge compression ignit...

Powertrain and method including HCCI engine

Method for selecting fuel to both optimize the operating range and...

Air and fuel supply system for combustion engine

Combustion engine including engine valve actuation system

Air and fuel supply system for combustion engine operating in HCCI...

Air and fuel supply system for combustion engine operating at optim...

Air and fuel supply system for combustion engine with particulate trap

Engine system and method of operating same over multiple engine loa...

MIXED MODE CONTROL METHOD AND ENGINE USING SAME

Method of transitioning between operating modes in an internal comb...

Low emissions compression ignited engine technology

Method of operating an internal combustion engine

Method for controlling exhaust emissions from direct injection homo...

Combustion engine including fluidically-controlled engine valve act...

Air and fuel supply system for combustion engine operating at optim...

Air and fuel supply system for a combustion engine

Combustion engine including cam phase-shifting

Air and fuel supply system for combustion engine with particulate trap

Air and fuel supply system for a combustion engine

Air and fuel supply system for combustion engine operating in HCCI...

Combustion engine including engine valve actuation system

Air and fuel supply system for combustion engine

Combustion engine including fluidically-driven engine valve actuator

Combustion engine including exhaust purification with on-board ammo...