Lifeng Wang

Person

Normal, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Engine parasitic loading strategy using fuel pressurization
- Patent number 12,253,041
- Issue date Mar 18, 2025
- Caterpillar Inc.
- Andrew O. Marrack
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Dual fuel engine system having fuel-actuated unit pumps and method
- Patent number 12,234,782
- Issue date Feb 25, 2025
- Caterpillar Inc.
- Hoisan Kim
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector control system and method
- Patent number 12,158,128
- Issue date Dec 3, 2024
- Caterpillar Inc.
- Satya Naga Deepak Pillarisetti
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector having dual solenoid control valves
- Patent number 11,859,583
- Issue date Jan 2, 2024
- Caterpillar Inc.
- Sana Mahmood
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multi-fuel injector and method
- Patent number 11,815,055
- Issue date Nov 14, 2023
- Caterpillar Inc.
- Dana R. Coldren
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector having dual solenoid control valves
- Patent number 11,035,332
- Issue date Jun 15, 2021
- Caterpillar Inc.
- Sana Mahmood
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fuel injector and fuel system with valve train noise suppressor
- Patent number 10,975,815
- Issue date Apr 13, 2021
- Caterpillar Inc.
- Wade James Robel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Common rail fuel system having pump-accumulator injectors
- Patent number 10,830,194
- Issue date Nov 10, 2020
- Caterpillar Inc.
- Scott F. Shafer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine and method for exhaust aftertreatment
- Patent number 10,760,513
- Issue date Sep 1, 2020
- Caterpillar Inc.
- Spencer Huhn
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Fuel injector having cam-actuated plunger and plunger cavity meteri...
- Patent number 10,570,863
- Issue date Feb 25, 2020
- Caterpillar Inc.
- Wade Robel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Stand-alone common rail capable injector system
- Patent number 10,544,769
- Issue date Jan 28, 2020
- Caterpillar Inc.
- Aaron M. Brown
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control system for turbocharged engine system and operating method...
- Patent number 10,247,122
- Issue date Apr 2, 2019
- Caterpillar Inc.
- Dana R Coldren
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fluid injector supply system and method for operating same
- Patent number 10,184,436
- Issue date Jan 22, 2019
- Caterpillar Inc.
- Scott F. Shafer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Port injection system for gaseous fuels
- Patent number 9,797,342
- Issue date Oct 24, 2017
- Caterpillar Inc.
- Scott F. Shafer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine system having hydraulically actuated gas injector
- Patent number 9,447,740
- Issue date Sep 20, 2016
- Caterpillar Inc.
- Aaron Michael Brown
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Asymmetrical orifice for bypass control
- Patent number 9,303,604
- Issue date Apr 5, 2016
- Caterpillar Inc.
- David Elliot Hackett
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
System and method for cooling fuel injectors
- Patent number 8,434,457
- Issue date May 7, 2013
- Caterpillar Inc.
- Dana R. Coldren
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Z orifice feature for mechanically actuated fuel injector
- Patent number 7,950,593
- Issue date May 31, 2011
- Caterpillar Inc.
- Lifeng Wang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Common engine and exhaust treatment fuel system
- Patent number 7,552,584
- Issue date Jun 30, 2009
- Caterpillar Inc.
- Lifeng Wang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Actuation valve for controlling fuel injector and compression relea...
- Patent number 7,174,881
- Issue date Feb 13, 2007
- Caterpillar Inc.
- Ye Tian
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Fuel pumping system and method
- Patent number 7,150,268
- Issue date Dec 19, 2006
- Caterpillar Inc.
- Scott F. Shafer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Variable control orifice member and fuel injector using same
- Patent number 7,124,744
- Issue date Oct 24, 2006
- Caterpillar Inc.
- Norval J. Weimken
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Mixed mode fuel injector and injection system
- Patent number 6,978,760
- Issue date Dec 27, 2005
- Caterpillar Inc.
- Chris Lee Stewart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel pumping system and method
- Patent number 6,973,921
- Issue date Dec 13, 2005
- Caterpillar Inc.
- Scott F. Shafer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
FUEL INJECTOR CONTROL SYSTEM AND METHOD
- Publication number 20240392738
- Publication date Nov 28, 2024
- Caterpillar Inc.
- Satya Naga Deepak PILLARISETTI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL INJECTOR HAVING DUAL SOLENOID CONTROL VALVES
- Publication number 20210277856
- Publication date Sep 9, 2021
- Caterpillar Inc.
- Sana MAHMOOD
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL INJECTOR HAVING CAM-ACTUATED PLUNGER AND PLUNGER CAVITY METERI...
- Publication number 20200088146
- Publication date Mar 19, 2020
- Caterpillar Inc.
- Wade Robel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL INJECTOR AND FUEL SYSTEM WITH VALVE TRAIN NOISE SUPPRESSOR
- Publication number 20190353125
- Publication date Nov 21, 2019
- Caterpillar Inc.
- Wade James Robel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FUEL INJECTOR HAVING DUAL SOLENOID CONTROL VALVES
- Publication number 20190186448
- Publication date Jun 20, 2019
- Caterpillar Inc.
- Sana MAHMOOD
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
COMMON RAIL FUEL SYSTEM HAVING PUMP-ACCUMULATOR INJECTORS
- Publication number 20180100475
- Publication date Apr 12, 2018
- Caterpillar Inc.
- Scott F. SHAFER
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
STAND-ALONE COMMON RAIL CAPABLE INJECTOR SYSTEM
- Publication number 20180100476
- Publication date Apr 12, 2018
- Caterpillar Inc.
- Aaron M. Brown
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Fluid Injector Supply System and Method for Operating Same
- Publication number 20170016416
- Publication date Jan 19, 2017
- Caterpillar Inc.
- Scott F. Shafer
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHOD AND SYSTEM FOR FLOW RATE CONTROL OF HYDRAULIC PUMP
- Publication number 20160348669
- Publication date Dec 1, 2016
- Caterpillar Inc.
- CORY A. BROWN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PRESSURE-PULSATED FATIGUE TEST AND SPECIMEN DESIGN
- Publication number 20160131563
- Publication date May 12, 2016
- SCOTT F. SHAFER
- G01 - MEASURING TESTING
Information Patent Application
PORT INJECTION SYSTEM FOR GASEOUS FUELS
- Publication number 20160115922
- Publication date Apr 28, 2016
- Caterpillar Inc.
- Scott F. SHAFER
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE SYSTEM HAVING HYDRAULICALLY ACTUATED GAS INJECTOR
- Publication number 20150369143
- Publication date Dec 24, 2015
- Caterpillar Inc.
- Aaron Michael BROWN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Asymmetrical Orifice for Bypass Control
- Publication number 20150198124
- Publication date Jul 16, 2015
- Caterpillar, Inc.
- David Elliot Hackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
METHODS AND SYSTEMS FOR CONTROLLING FUEL SYSTEMS OF INTERNAL COMBUS...
- Publication number 20130000602
- Publication date Jan 3, 2013
- Caterpillar Inc.
- Dana Ray COLDREN
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
System and Method for Cooling Fuel Injectors
- Publication number 20110315118
- Publication date Dec 29, 2011
- Caterpillar, Inc.
- Dana R. Coldren
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Z orifice feature for mechanically actuated fuel injector
- Publication number 20090314860
- Publication date Dec 24, 2009
- Caterpillar Inc.
- Lifeng Wang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Common engine and exhaust treatment fuel system
- Publication number 20070227126
- Publication date Oct 4, 2007
- Caterpillar Inc.
- Lifeng Wang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Fuel pumping system and method
- Publication number 20060054140
- Publication date Mar 16, 2006
- Caterpillar Inc.
- Scott F. Shafer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel pumping system and method
- Publication number 20050126545
- Publication date Jun 16, 2005
- Caterpillar Inc.
- Scott F. Shafer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MIXED MODE FUEL INJECTOR AND INJECTION SYSTEM
- Publication number 20050098144
- Publication date May 12, 2005
- Chris Lee Stewart
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Variable control orifice member and fuel injector using same
- Publication number 20050023372
- Publication date Feb 3, 2005
- Norval J. Weimken
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Actuation valve for controlling fuel injector and compression relea...
- Publication number 20030106532
- Publication date Jun 12, 2003
- Ye Tian
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Lifeng Wang

Person

Patents Grantslast 30 patents

Engine parasitic loading strategy using fuel pressurization

Dual fuel engine system having fuel-actuated unit pumps and method

Fuel injector control system and method

Fuel injector having dual solenoid control valves

Multi-fuel injector and method

Fuel injector having dual solenoid control valves

Fuel injector and fuel system with valve train noise suppressor

Common rail fuel system having pump-accumulator injectors

Engine and method for exhaust aftertreatment

Fuel injector having cam-actuated plunger and plunger cavity meteri...

Stand-alone common rail capable injector system

Control system for turbocharged engine system and operating method...

Fluid injector supply system and method for operating same

Port injection system for gaseous fuels

Engine system having hydraulically actuated gas injector

Asymmetrical orifice for bypass control

System and method for cooling fuel injectors

Z orifice feature for mechanically actuated fuel injector

Common engine and exhaust treatment fuel system

Actuation valve for controlling fuel injector and compression relea...

Fuel pumping system and method

Variable control orifice member and fuel injector using same

Mixed mode fuel injector and injection system

Fuel pumping system and method

Patents Applicationslast 30 patents

FUEL INJECTOR CONTROL SYSTEM AND METHOD

FUEL INJECTOR HAVING DUAL SOLENOID CONTROL VALVES

FUEL INJECTOR HAVING CAM-ACTUATED PLUNGER AND PLUNGER CAVITY METERI...

FUEL INJECTOR AND FUEL SYSTEM WITH VALVE TRAIN NOISE SUPPRESSOR

FUEL INJECTOR HAVING DUAL SOLENOID CONTROL VALVES

COMMON RAIL FUEL SYSTEM HAVING PUMP-ACCUMULATOR INJECTORS

STAND-ALONE COMMON RAIL CAPABLE INJECTOR SYSTEM

Fluid Injector Supply System and Method for Operating Same

METHOD AND SYSTEM FOR FLOW RATE CONTROL OF HYDRAULIC PUMP

PRESSURE-PULSATED FATIGUE TEST AND SPECIMEN DESIGN

PORT INJECTION SYSTEM FOR GASEOUS FUELS

ENGINE SYSTEM HAVING HYDRAULICALLY ACTUATED GAS INJECTOR

Asymmetrical Orifice for Bypass Control

METHODS AND SYSTEMS FOR CONTROLLING FUEL SYSTEMS OF INTERNAL COMBUS...

System and Method for Cooling Fuel Injectors

Z orifice feature for mechanically actuated fuel injector

Common engine and exhaust treatment fuel system

Fuel pumping system and method

Fuel pumping system and method

MIXED MODE FUEL INJECTOR AND INJECTION SYSTEM

Variable control orifice member and fuel injector using same

Actuation valve for controlling fuel injector and compression relea...