Inventor
GRITTER DAVID J
US27 patents
⚠️ This page may combine multiple inventors who share the name “GRITTER DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EATON CORP
21 patentsUS4994950AFeb 19, 1991
Waveform generator for inverter control
EATON CORP58 citations96
US4825132AApr 25, 1989
Current mode motor control
EATON CORP58 citations96
US4698562AOct 6, 1987
Motor electrical positioning system and the application thereof within vehicle traction drives
EATON CORP56 citations96
US4651066AMar 17, 1987
Ferrite permanent magnet electrical machine and the application thereof within vehicle traction drives
EATON CORP110 citations96
US4371824AFeb 1, 1983
Base drive and overlap protection circuit
EATON CORP94 citations96
US6611771B1Aug 26, 2003
Method and apparatus to detect a stator turn fault in an AC motor
EATON CORP62 citations95
US5045988ASep 3, 1991
Isolated adjustable frequency AC inverter control
EATON CORP296 citations94
US6621291B2Sep 16, 2003
Device and method for estimating the resistance of a stator winding for an AC induction motor
EATON CORP37 citations92
US5633790AMay 27, 1997
DV/DT limiting of inverter output voltage
EATON CORP31 citations92
US5537308AJul 16, 1996
Digital current regulator
EATON CORP25 citations92
US4990844AFeb 5, 1991
DC braking of inverter-driven AC motors
EATON CORP27 citations92
US4638224AJan 20, 1987
Mechanically shifted position senor for self-synchronous machines
EATON CORP31 citations92
US4598240AJul 1, 1986
Self synchronous motor sensor switching arrangement
EATON CORP37 citations92
US4590413AMay 20, 1986
EV drivetrain inverter with V/HZ optimization
EATON CORP27 citations92
US6420848B1Jul 16, 2002
Method and controlling the starting of an AC induction motor with closed loop current control
EATON CORP17 citations81
US6407529B1Jun 18, 2002
Method for controlling the starting of an induction motor utilizing closed loop alpha control
EATON CORP17 citations81
US6380708B1Apr 30, 2002
Method for controlling the starting of an AC induction motor
EATON CORP18 citations81
US5386186AJan 31, 1995
Stator flux oriented control
EATON CORP18 citations74
US4749876AJun 7, 1988
Universal power transistor base drive control unit
EATON CORP14 citations74
US5461296AOct 24, 1995
Bumpless rotating start
EATON CORP19 citations73
US4757225AJul 12, 1988
Dual stack tachometer/generator
EATON CORP3 citations62