Inventor
NYGARD ROBERT JOHN
US21 patents
Patents
21 patentsUS6629356B2Oct 7, 2003
Method and apparatus for concentric assembly of structural rotor enclosure on an electrical machine rotor
GEN ELECTRIC25 citations92
US6590305B2Jul 8, 2003
High temperature super-conducting synchronous rotor having an electromagnetic shield and method for assembly
GEN ELECTRIC21 citations92
US6437476B1Aug 20, 2002
Multi-pole electric machine including flat winding for generator fields
GEN ELECTRIC19 citations92
US5886434AMar 23, 1999
Generator field turn copper
GEN ELECTRIC42 citations92
US6784573B1Aug 31, 2004
Corrosion-resistant liquid-cooled armature bar clip-to-strand connection and related method
GEN ELECTRIC37 citations91
US6369482B1Apr 9, 2002
Generator armature bar support system and related method
GEN ELECTRIC28 citations91
US6548928B2Apr 15, 2003
Grounding of stator core to stator frame
GEN ELECTRIC19 citations90
US6965185B1Nov 15, 2005
Variable pitch manifold for rotor cooling in an electrical machine
GEN ELECTRIC17 citations84
US6952070B1Oct 4, 2005
Capped flat end windings in an electrical machine
GEN ELECTRIC13 citations84
US6608409B2Aug 19, 2003
High temperature super-conducting rotor having a vacuum vessel and electromagnetic shield and an assembly method
GEN ELECTRIC14 citations84
US6910258B2Jun 28, 2005
Method of assembling windings on a rotor core
GEN ELECTRIC7 citations74
US6844655B2Jan 18, 2005
Expandable flat winding for rotating electric machine fields
GEN ELECTRIC8 citations74
US6815860B2Nov 9, 2004
High temperature super-conducting rotor coil support with split coil housing and assembly method
GEN ELECTRIC12 citations74
US6762517B2Jul 13, 2004
High temperature super-conducting rotor having a vacuum vessel and electromagnetic shield and an assembly method
GEN ELECTRIC11 citations74
US6570292B2May 27, 2003
High temperature super-conducting rotor coil support with split coil housing and assembly method
GEN ELECTRIC9 citations74
US6710497B2Mar 23, 2004
Apparatus and method for a field winding assembly mountable on a rotor in a synchronous machine
GEN ELECTRIC7 citations73
US6703733B1Mar 9, 2004
Removable self-locking field winding block
GEN ELECTRIC11 citations73
US6977459B1Dec 20, 2005
Apparatus and methods for anchoring a modular winding to a rotor in an electrical machine
GEN ELECTRIC2 citations63
US6977460B1Dec 20, 2005
Spacer for axial spacing enclosure rings and shields in an electrical machine
GEN ELECTRIC2 citations60
US6972507B1Dec 6, 2005
End winding restraint in an electrical machine
GEN ELECTRIC4 citations58
US6989621B2Jan 24, 2006
Module winding system for electrical machines and methods of electrical connection
GEN ELECTRIC4 citations56