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Ravishankar Ramamurthy
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Livonia, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Closed loop temperature control in the SCR warm up mode to reduce e...
Patent number
8,931,265
Issue date
Jan 13, 2015
GM Global Technology Operations LLC
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
NOx emission estimation systems and methods
Patent number
8,108,154
Issue date
Jan 31, 2012
GM Global Technology Operations LLC
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Turbocharger protection systems and methods
Patent number
7,987,672
Issue date
Aug 2, 2011
GM Global Technology Operations LLC
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Engine backpressure compensation system for stable emissions
Patent number
7,637,107
Issue date
Dec 29, 2009
GM Global Technology Operations, Inc.
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System and method for backpressure compensation for controlling exh...
Patent number
7,437,874
Issue date
Oct 21, 2008
Detroit Diesel Corporation
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Influence of engine parameters on condensation protection strategies
Patent number
7,079,938
Issue date
Jul 18, 2006
Detroit Diesel Corporation
Sameer Bhargava
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Re-entry strategy from boost mode to EGR mode
Patent number
6,934,621
Issue date
Aug 23, 2005
Detroit Diesel Corporation
Sameer Bhargava
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method of controlling exhaust gas recirculation system based upon h...
Patent number
6,725,848
Issue date
Apr 27, 2004
Detroit Diesel Corporation
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Condensation control for internal combustion engines using EGR
Patent number
6,681,171
Issue date
Jan 20, 2004
Detroit Diesel Corporation
Phillip F. Rimnac
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
CLOSED LOOP TEMPERATURE CONTROL IN THE SCR WARM UP MODE TO REDUCE E...
Publication number
20130298528
Publication date
Nov 14, 2013
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Ravishankar Ramamurthy
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
NOx EMISSION ESTIMATION SYSTEMS AND METHODS
Publication number
20100145628
Publication date
Jun 10, 2010
GM Global Technology Operations, Inc.
RAVISHANKAR RAMAMURTHY
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
TURBOCHARGER PROTECTION SYSTEMS AND METHODS
Publication number
20090183508
Publication date
Jul 23, 2009
GM Global Technology Operations, Inc.
Ravishankar Ramamurthy
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
ENGINE BACKPRESSURE COMPENSATION SYSTEM FOR STABLE EMISSIONS
Publication number
20080016865
Publication date
Jan 24, 2008
Ravishankar Ramamurthy
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
System and method for backpressure compensation for controlling exh...
Publication number
20060288701
Publication date
Dec 28, 2006
DETROIT DIESEL CORPORATION
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Re-entry strategy from boost mode to EGR mode
Publication number
20050021217
Publication date
Jan 27, 2005
DETROIT DIESEL CORPORATION
Sameer Bhargava
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
INFLUENCE OF ENGINE PARAMETERS ON CONDENSATION PROTECTION STRATEGIES
Publication number
20050021218
Publication date
Jan 27, 2005
Detroit Diesel Corporation
Sameer Bhargava
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method of controlling exhaust gas recirculation system based upon h...
Publication number
20030136390
Publication date
Jul 24, 2003
DETROIT DIESEL CORPORATION
Ravishankar Ramamurthy
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Condensation control for internal combustion engines using EGR
Publication number
20030114978
Publication date
Jun 19, 2003
Phillip F. Rimnac
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES