Inventor
ZHU GUOMING G
US29 patents
⚠️ This page may combine multiple inventors who share the name “ZHU GUOMING G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VISTEON GLOBAL TECH INC
26 patentsUS6980903B2Dec 27, 2005
Exhaust gas control using a spark plug ionization signal
VISTEON GLOBAL TECH INC203 citations98
US7021287B2Apr 4, 2006
Closed-loop individual cylinder A/F ratio balancing
VISTEON GLOBAL TECH INC54 citations96
US6945229B1Sep 20, 2005
System for engine knock control
VISTEON GLOBAL TECH INC42 citations93
US7690352B2Apr 6, 2010
System and method of selecting data content of ionization signal
VISTEON GLOBAL TECH INC36 citations92
US7472687B2Jan 6, 2009
System and method for pre-processing ionization signal to include enhanced knock information
VISTEON GLOBAL TECH INC32 citations92
US7318411B1Jan 15, 2008
Adaptive ignition dwell based on ionization feedback
VISTEON GLOBAL TECH INC21 citations92
US7290442B2Nov 6, 2007
Method and system of estimating MBT timing using in-cylinder ionization signal
VISTEON GLOBAL TECH INC27 citations92
US7213573B2May 8, 2007
System and method of controlling engine dilution rate using combustion stability measurer derived from the ionization signal
VISTEON GLOBAL TECH INC33 citations92
US7137382B2Nov 21, 2006
Optimal wide open throttle air/fuel ratio control
VISTEON GLOBAL TECH INC49 citations92
US7134423B2Nov 14, 2006
Ignition diagnosis and combustion feedback control system using an ionization signal
VISTEON GLOBAL TECH INC23 citations92
US7086382B2Aug 8, 2006
Robust multi-criteria MBT timing estimation using ionization signal
VISTEON GLOBAL TECH INC26 citations92
US7063079B2Jun 20, 2006
Device for reducing the part count and package size of an in-cylinder ionization detection system by integrating the ionization detection circuit and ignition coil driver into a single package
VISTEON GLOBAL TECH INC23 citations92
US7013871B2Mar 21, 2006
Closed loop MBT timing control using ionization feedback
VISTEON GLOBAL TECH INC28 citations92
US7005855B2Feb 28, 2006
Device to provide a regulated power supply for in-cylinder ionization detection by using the ignition coil fly back energy and two-stage regulation
VISTEON GLOBAL TECH INC28 citations92
US6998846B2Feb 14, 2006
Ignition diagnosis using ionization signal
VISTEON GLOBAL TECH INC24 citations92
US6954074B2Oct 11, 2005
Circuit for measuring ionization current in a combustion chamber of an internal combustion engine
VISTEON GLOBAL TECH INC38 citations92
US6951201B2Oct 4, 2005
Method for reducing pin count of an integrated coil with driver and ionization detection circuit by multiplexing ionization and coil charge current feedback signals
VISTEON GLOBAL TECH INC26 citations92
US6883509B2Apr 26, 2005
Ignition coil with integrated coil driver and ionization detection circuitry
VISTEON GLOBAL TECH INC25 citations90
US6922628B2Jul 26, 2005
IC engine diagnostic system using the peak and integration ionization current signals
VISTEON GLOBAL TECH INC22 citations86
US7104043B2Sep 12, 2006
Closed loop cold start retard spark control using ionization feedback
VISTEON GLOBAL TECH INC15 citations84
US7293554B2Nov 13, 2007
Ignition coil driver device with slew-rate limited dwell turn-on
VISTEON GLOBAL TECH INC10 citations83
US7055372B2Jun 6, 2006
Method of detecting cylinder ID using in-cylinder ionization for spark detection following partial coil charging
VISTEON GLOBAL TECH INC14 citations82
US6922057B2Jul 26, 2005
Device to provide a regulated power supply for in-cylinder ionization detection by using a charge pump
VISTEON GLOBAL TECH INC11 citations73
US6955157B1Oct 18, 2005
System for engine retard limit control
VISTEON GLOBAL TECH INC4 citations63
US7251571B2Jul 31, 2007
Methods of diagnosing open-secondary winding of an ignition coil using the ionization current signal
VISTEON GLOBAL TECH INC2 citations62
US7197913B2Apr 3, 2007
Low cost circuit for IC engine diagnostics using ionization current signal
VISTEON GLOBAL TECH INC5 citations62