Liyun Zheng

Person

Troy, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Diagnostic system and method for a variable valve lift mechanism
- Patent number 9,080,516
- Issue date Jul 14, 2015
- GM Global Technology Operations LLC
- Liyun Zheng
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Oil squirter with damping vent
- Patent number 8,720,409
- Issue date May 13, 2014
- GM Global Technology Operations LLC
- Liyun Zheng
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and system for estimating engine oil life based on viscosity
- Patent number 8,109,138
- Issue date Feb 7, 2012
- GM Global Technology Operations LLC
- Taeyoung Han
- G01 - MEASURING TESTING
Information Patent Grant
Predicted engine oil pressure
- Patent number 7,712,441
- Issue date May 11, 2010
- GM Global Technology Operations, Inc.
- Kenneth J. Cinpinski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine shaft pump
- Patent number 7,004,131
- Issue date Feb 28, 2006
- General Motors Corporation
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine lubrication system
- Patent number 6,920,850
- Issue date Jul 26, 2005
- General Motors Corporation
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Engine lubrication system and pressure reducing valve for limiting...
- Patent number 6,860,250
- Issue date Mar 1, 2005
- General Motors Corporation
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Lubrication system using valves to meet various engine oil pressure...
- Patent number 6,810,845
- Issue date Nov 2, 2004
- General Motors Corporation
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
OIL SQUIRTER WITH DAMPING VENT
- Publication number 20130233271
- Publication date Sep 12, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Liyun Zheng
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
DIAGNOSTIC SYSTEM AND METHOD FOR A VARIABLE VALVE LIFT MECHANISM
- Publication number 20130073178
- Publication date Mar 21, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Liyun Zheng
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR ESTIMATING ENGINE OIL LIFE BASED ON VISCOSITY
- Publication number 20100122571
- Publication date May 20, 2010
- GM Global Technology Operations, Inc.
- Taeyoung Han
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
PREDICTED ENGINE OIL PRESSURE
- Publication number 20090164087
- Publication date Jun 25, 2009
- GM Global Technology Operations, Inc.
- Kenneth J. Cinpinski
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ENGINE SHAFT PUMP
- Publication number 20060027198
- Publication date Feb 9, 2006
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Engine lubrication system
- Publication number 20050061279
- Publication date Mar 24, 2005
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
ENGINE LUBRICATION SYSTEM AND PRESSURE REDUCING VALVE FOR LIMITING...
- Publication number 20050061290
- Publication date Mar 24, 2005
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Engine oil system with oil pressure regulator to increase cam phase...
- Publication number 20050061289
- Publication date Mar 24, 2005
- Jeremy M. Plenzler
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Liyun Zheng

Person

Patents Grantslast 30 patents

Diagnostic system and method for a variable valve lift mechanism

Oil squirter with damping vent

Method and system for estimating engine oil life based on viscosity

Predicted engine oil pressure

Engine shaft pump

Engine lubrication system

Engine lubrication system and pressure reducing valve for limiting...

Lubrication system using valves to meet various engine oil pressure...

Patents Applicationslast 30 patents

OIL SQUIRTER WITH DAMPING VENT

DIAGNOSTIC SYSTEM AND METHOD FOR A VARIABLE VALVE LIFT MECHANISM

METHOD AND SYSTEM FOR ESTIMATING ENGINE OIL LIFE BASED ON VISCOSITY

PREDICTED ENGINE OIL PRESSURE

ENGINE SHAFT PUMP

Engine lubrication system

ENGINE LUBRICATION SYSTEM AND PRESSURE REDUCING VALVE FOR LIMITING...

Engine oil system with oil pressure regulator to increase cam phase...