Assignee
SUNDSTRAND CORP
US1,369 patents
Top patents by PatentIndex Score
US5594322AJan 14, 1997
Starter/generator system with variable-frequency exciter control
SUNDSTRAND CORP233 citations99
US5241861ASep 7, 1993
Micromachined rate and acceleration sensor
SUNDSTRAND CORP164 citations99
US5708576AJan 13, 1998
Fault tolerant power converter
SUNDSTRAND CORP192 citations98
US5600548AFeb 4, 1997
DC content control for an inverter
SUNDSTRAND CORP117 citations98
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
US5331238AJul 19, 1994
Apparatus for containment and cooling of a core within a housing
SUNDSTRAND CORP169 citations98
US5015941AMay 14, 1991
Power conversion system with bi-directional power converter having prime mover start capability
SUNDSTRAND CORP126 citations98
US5013929AMay 7, 1991
Power conversion system having prime mover start capability
SUNDSTRAND CORP125 citations98
US4736151AApr 5, 1988
Bi-directional buck/boost DC/DC converter
SUNDSTRAND CORP297 citations98
US4625160ANov 25, 1986
Variable speed constant frequency generating system
SUNDSTRAND CORP152 citations98
US4494171AJan 15, 1985
Impingement cooling apparatus for heat liberating device
SUNDSTRAND CORP170 citations98
US5743490AApr 28, 1998
Flap/slat actuation system for an aircraft
SUNDSTRAND CORP162 citations97
US5512811AApr 30, 1996
Starter/generator system having multivoltage generation capability
SUNDSTRAND CORP201 citations97
US5461293AOct 24, 1995
Rotor position detector
SUNDSTRAND CORP119 citations97
US5430362AJul 4, 1995
Engine starting system utilizing multiple controlled acceleration rates
SUNDSTRAND CORP198 citations97
US5174109ADec 29, 1992
Clutch to disconnect loads during turbine start-up
SUNDSTRAND CORP148 citations97
US5088005AFeb 11, 1992
Cold plate for cooling electronics
SUNDSTRAND CORP200 citations97
US4994700AFeb 19, 1991
Dynamoelectric machine oil-cooled stator winding
SUNDSTRAND CORP157 citations97
US4979362ADec 25, 1990
Aircraft engine starting and emergency power generating system
SUNDSTRAND CORP291 citations97
US5920162AJul 6, 1999
Position control using variable exciter feed through
SUNDSTRAND CORP76 citations96
US5899411AMay 4, 1999
Aircraft electrical system providing emergency power and electric starting of propulsion engines
SUNDSTRAND CORP228 citations96
US5779446AJul 14, 1998
Air driven turbine including a blade pitch control system
SUNDSTRAND CORP96 citations96
US5747971AMay 5, 1998
Position and velocity sensorless control for a motor generator system operated as a motor using exciter impedance
SUNDSTRAND CORP75 citations96
US5587647ADec 24, 1996
Dual output synchronous-induction starting/generating system
SUNDSTRAND CORP141 citations96
US5582390ADec 10, 1996
Drive apparatus with primary and secondary no-back features
SUNDSTRAND CORP67 citations96
US5495162AFeb 27, 1996
Position-and-velocity sensorless control for starter generator electrical system using generator back-EMF voltage
SUNDSTRAND CORP100 citations96
US5495163AFeb 27, 1996
Control for a brushless generator operable in generating and starting modes
SUNDSTRAND CORP87 citations96
US5493201AFeb 20, 1996
Starter/generator system and method utilizing a low voltage source
SUNDSTRAND CORP71 citations96
US5440172AAug 8, 1995
Integral heat sink interface
SUNDSTRAND CORP72 citations96
USRE34962EJun 13, 1995
Annular combustor with tangential cooling air injection
SUNDSTRAND CORP50 citations96
US5363032ANov 8, 1994
Sensorless start of synchronous machine
SUNDSTRAND CORP65 citations96
US5350281ASep 27, 1994
Fan with secondary air passage for motor cooling
SUNDSTRAND CORP74 citations96
US5347160ASep 13, 1994
Power semiconductor integrated circuit package
SUNDSTRAND CORP105 citations96
US5327335AJul 5, 1994
Harmonic feedback control for an inverter
SUNDSTRAND CORP72 citations96
US5309081AMay 3, 1994
Power conversion system with dual permanent magnet generator having prime mover start capability
SUNDSTRAND CORP81 citations96
US5281905AJan 25, 1994
Induction machine based hybrid aircraft engine starting/generating power system
SUNDSTRAND CORP85 citations96
US5245238ASep 14, 1993
Axial gap dual permanent magnet generator
SUNDSTRAND CORP154 citations96
US5240380AAug 31, 1993
Variable speed control for centrifugal pumps
SUNDSTRAND CORP216 citations96
US5233286AAug 3, 1993
Hybrid 270 volt DC system
SUNDSTRAND CORP74 citations96
US5165279ANov 24, 1992
Monolithic accelerometer with flexurally mounted force transducer
SUNDSTRAND CORP89 citations96
US5123239AJun 23, 1992
Method of starting a gas turbine engine
SUNDSTRAND CORP72 citations96
US5097241AMar 17, 1992
Cooling apparatus for windings
SUNDSTRAND CORP79 citations96
US5068590ANov 26, 1991
Brushless generator having AC excitation in generating and starting modes
SUNDSTRAND CORP135 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
US5028803AJul 2, 1991
Integrated drive generator system with direct motor drive prime mover starting
SUNDSTRAND CORP62 citations96
US5024058AJun 18, 1991
Hot gas generator
SUNDSTRAND CORP63 citations96
US5012177AApr 30, 1991
Power conversion system using a switched reluctance motor/generator
SUNDSTRAND CORP82 citations96
Showing the top 50 of 1,369 patents by PatentIndex Score.