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Sharon Liu
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Ann Arbor, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Universal tracking air-fuel regulator for internal combustion engines
Patent number
8,571,785
Issue date
Oct 29, 2013
GM Global Technology Operations LLC
Sai S. V. Rajagopalan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control system and method for improving engine stop-start response...
Patent number
8,347,855
Issue date
Jan 8, 2013
GM Global Technology Operations LLC
Norman Schoenek
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Gear engagement control system and method
Patent number
8,162,801
Issue date
Apr 24, 2012
GM Global Technology Operations LLC
Sharon Liu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Off-line calibration of universal tracking air fuel ratio regulators
Patent number
7,925,421
Issue date
Apr 12, 2011
GM Global Technology Operations LLC
Sharon Liu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Phase and frequency error based asymmetrical AFR pulse reference tr...
Patent number
7,809,490
Issue date
Oct 5, 2010
GM Global Technology Operations, Inc.
Sharon Liu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Coordinated control for a powertrain with a continuously variable t...
Patent number
6,579,206
Issue date
Jun 17, 2003
General Motors Corporation
Sharon Liu
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
CONTROL SYSTEM AND METHOD FOR IMPROVING ENGINE STOP-START RESPONSE...
Publication number
20110277728
Publication date
Nov 17, 2011
GM Global Technology Operations, Inc.
Norman Schoenek
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
GEAR ENGAGEMENT CONTROL SYSTEM AND METHOD
Publication number
20110207579
Publication date
Aug 25, 2011
GM Global Technology Operations, Inc.
Sharon Liu
B60 - VEHICLES IN GENERAL
Information
Patent Application
UNIVERSAL TRACKING AIR-FUEL REGULATOR FOR INTERNAL COMBUSTION ENGINES
Publication number
20090266052
Publication date
Oct 29, 2009
GM Global Technology Operations, Inc.
Sai S.V. Rajagopalan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
OFF-LINE CALIBRATION OF UNIVERSAL TRACKING AIR FUEL RATIO REGULATORS
Publication number
20090271093
Publication date
Oct 29, 2009
GM Global Technology Operations, Inc.
Sharon Liu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
PHASE AND FREQUENCY ERROR BASED ASYMMETRICAL AFR PULSE REFERENCE TR...
Publication number
20090048759
Publication date
Feb 19, 2009
GM Global Technology Operations, Inc.
Sharon Liu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Coordinated control for a powertrain with a continuously variable t...
Publication number
20030022752
Publication date
Jan 30, 2003
Sharon Liu
B60 - VEHICLES IN GENERAL