Inventor
WELCHKO BRIAN
US15 patents
⚠️ This page may combine multiple inventors who share the name “WELCHKO BRIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
10 patentsUS7279862B1Oct 9, 2007
Fault handling of inverter driven PM motor drives
GM GLOBAL TECH OPERATIONS INC62 citations97
US7411801B2Aug 12, 2008
Method and apparatus for controlling voltage linearity of voltage source inverters
GM GLOBAL TECH OPERATIONS INC37 citations92
US7307401B2Dec 11, 2007
Method and apparatus for PWM control of voltage source inverter
GM GLOBAL TECH OPERATIONS INC35 citations91
US7556082B2Jul 7, 2009
Interior permanent magnet rotors with multiple properties and methods of making same
GM GLOBAL TECH OPERATIONS INC16 citations84
US7218071B1May 15, 2007
Method and apparatus for increasing AC motor torque output at low frequency
GM GLOBAL TECH OPERATIONS INC12 citations84
USRE42200EMar 8, 2011
Fault handling of inverter driven PM motor drives
GM GLOBAL TECH OPERATIONS INC7 citations83
US7193378B1Mar 20, 2007
Wye switch inverter for electric and hybrid vehicles
GM GLOBAL TECH OPERATIONS INC19 citations83
US7518335B2Apr 14, 2009
Method and apparatus for PWM control of voltage source inverter to minimize current sampling errors in electric drives
GM GLOBAL TECH OPERATIONS INC6 citations74
US7521905B2Apr 21, 2009
High power permanent magnet alternator with improved controlled output
GM GLOBAL TECH OPERATIONS INC2 citations63
US7432683B2Oct 7, 2008
PWM pattern sequence to reduce losses in voltage source inverters
GM GLOBAL TECH OPERATIONS INC4 citations63
GEN MOTORS CORP
5 patentsUS7199535B2Apr 3, 2007
Doubled-ended inverter drive system topology for a hybrid vehicle
GEN MOTORS CORP84 citations98
US7154237B2Dec 26, 2006
Unified power control method of double-ended inverter drive systems for hybrid vehicles
GEN MOTORS CORP89 citations98
US7391181B2Jun 24, 2008
Loss minimized PWM for voltage source inverters taking into account inverter non-linearity
GEN MOTORS CORP33 citations92
US6864646B2Mar 8, 2005
Multiple inverter system with low power bus ripples and method therefor
GEN MOTORS CORP54 citations92
US7057371B2Jun 6, 2006
Inverter for electric and hybrid powered vehicles and associated system and method
GEN MOTORS CORP15 citations84