Inventor
ROZMAN GREGORY I
US182 patents
⚠️ This page may combine multiple inventors who share the name “ROZMAN GREGORY I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUNDSTRAND CORP
27 patentsUS5594322AJan 14, 1997
Starter/generator system with variable-frequency exciter control
SUNDSTRAND CORP233 citations99
US5581168ADec 3, 1996
Starter/generator system with DC link current control
SUNDSTRAND CORP129 citations98
US5493200AFeb 20, 1996
Control for a brushless generator
SUNDSTRAND CORP188 citations98
US5384527AJan 24, 1995
Rotor position detector with back EMF voltage estimation
SUNDSTRAND CORP142 citations98
US5461293AOct 24, 1995
Rotor position detector
SUNDSTRAND CORP119 citations97
US5430362AJul 4, 1995
Engine starting system utilizing multiple controlled acceleration rates
SUNDSTRAND CORP198 citations97
US5920162AJul 6, 1999
Position control using variable exciter feed through
SUNDSTRAND CORP76 citations96
US5747971AMay 5, 1998
Position and velocity sensorless control for a motor generator system operated as a motor using exciter impedance
SUNDSTRAND CORP75 citations96
US5495163AFeb 27, 1996
Control for a brushless generator operable in generating and starting modes
SUNDSTRAND CORP87 citations96
US5495162AFeb 27, 1996
Position-and-velocity sensorless control for starter generator electrical system using generator back-EMF voltage
SUNDSTRAND CORP100 citations96
US5363032ANov 8, 1994
Sensorless start of synchronous machine
SUNDSTRAND CORP65 citations96
US5233286AAug 3, 1993
Hybrid 270 volt DC system
SUNDSTRAND CORP74 citations96
US5055764AOct 8, 1991
Low voltage aircraft engine starting system
SUNDSTRAND CORP87 citations96
US5036267AJul 30, 1991
Aircraft turbine start from a low voltage battery
SUNDSTRAND CORP55 citations96
US5541488AJul 30, 1996
Method and apparatus for controlling induction motors
SUNDSTRAND CORP81 citations94
US5587641ADec 24, 1996
VSCF start system with precise voltage control
SUNDSTRAND CORP32 citations93
US5055765AOct 8, 1991
Voltage regulator for direct current aircraft power bus
SUNDSTRAND CORP40 citations93
US5047699ASep 10, 1991
VSCF start system motor current estimator
SUNDSTRAND CORP31 citations93
US5029263AJul 2, 1991
Electric start control of a VSCF system
SUNDSTRAND CORP51 citations93
US5016157AMay 14, 1991
VSCF system with DC link harmonics control
SUNDSTRAND CORP32 citations93
US5006768AApr 9, 1991
Synchronous motor control
SUNDSTRAND CORP29 citations93
US4937508AJun 26, 1990
VSCF start system with precision voltage
SUNDSTRAND CORP30 citations93
US5488286AJan 30, 1996
Method and apparatus for starting a synchronous machine
SUNDSTRAND CORP52 citations92
US5444349AAug 22, 1995
Starting control for an electromagnetic machine
SUNDSTRAND CORP24 citations92
US5132894AJul 21, 1992
Electric power generating system with active damping
SUNDSTRAND CORP43 citations92
US5777459AJul 7, 1998
Induction electrical power generating system with variable numbers of poles and excitation frequency
SUNDSTRAND CORP31 citations90
US4942493AJul 17, 1990
Method and apparatus for detecting prime mover start malfunction
SUNDSTRAND CORP24 citations86
HAMILTON SUNDSTRAND CORP
17 patentsUS8928293B1Jan 6, 2015
Systems for wound field synchronous machines with zero speed rotor position detection during start for motoring and improved transient response for generation
HAMILTON SUNDSTRAND CORP28 citations94
US8378641B2Feb 19, 2013
Electric power generating system with boost converter/synchronous active filter
HAMILTON SUNDSTRAND CORP21 citations93
US7843155B2Nov 30, 2010
Direct flux regulated permanent magnet brushless motor utilizing sensorless control
HAMILTON SUNDSTRAND CORP20 citations93
US7777384B2Aug 17, 2010
Permanent magnet dynamoelectric machine with variable magnetic flux excitation
HAMILTON SUNDSTRAND CORP25 citations93
US7567047B2Jul 28, 2009
Electric motor control strategies for using a low resolution position sensor
HAMILTON SUNDSTRAND CORP36 citations93
US6084786AJul 4, 2000
Converter system with power factor and DC ripple control
HAMILTON SUNDSTRAND CORP34 citations93
US8427116B2Apr 23, 2013
Starting/generating system with multi-functional circuit breaker
HAMILTON SUNDSTRAND CORP18 citations92
US7400117B1Jul 15, 2008
Generating system with a regulated permanent magnet machine and an active rectifier
HAMILTON SUNDSTRAND CORP22 citations92
US6278353B1Aug 21, 2001
Planar magnetics with integrated cooling
HAMILTON SUNDSTRAND CORP43 citations91
US7332884B2Feb 19, 2008
Electric motor control strategies
HAMILTON SUNDSTRAND CORP28 citations90
US8358111B2Jan 22, 2013
Architecture for dual source electric power generating system
HAMILTON SUNDSTRAND CORP32 citations89
US7746024B2Jun 29, 2010
Electric engine start system with active rectifier
HAMILTON SUNDSTRAND CORP27 citations88
US10541598B1Jan 21, 2020
DC power generating system with voltage ripple compensation
HAMILTON SUNDSTRAND CORP11 citations86
US10396680B1Aug 27, 2019
Direct current voltage regulation of permanent magnet generator
HAMILTON SUNDSTRAND CORP9 citations84
US9985562B1May 29, 2018
Electric power generating system with a synchronous generator and tunable filter
HAMILTON SUNDSTRAND CORP11 citations84
US9969273B2May 15, 2018
Integrated modular electric power system for a vehicle
HAMILTON SUNDSTRAND CORP13 citations84
US9941827B2Apr 10, 2018
High voltage DC power generating system including selectively removable neutral node
HAMILTON SUNDSTRAND CORP6 citations84
ROZMAN GREGORY I
2 patentsSUNSTRAND CORP
1 patentGIERAS JACEK F
1 patentNGUYEN VIETSON M
1 patent(unassigned)
1 patentShowing the top 50 of 182 patents by PatentIndex Score.