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Jacek F Gieras, Gregory I Rozman: Permanent magnet electric generator with variable magnet flux excitation. Hamilton Sundstrand Corporation, Stephen G Mican, December 28, 2010: US07859231 (8 worldwide citation)

A permanent magnet (PM) electric generator with directly controllable field excitation control comprises: a drive shaft; a PM rotor assembly with multiple PMs arranged around an outer axial periphery of the rotor assembly; a stator assembly comprising a ferromagnetic stator yoke, multiple ferromagne ...


2
Jacek F Gieras, Gregory I Rozman: Permanent magnet electric generator with variable magnet flux excitation. Hamilton Sundstrand Corporation, Stephen George Mican, October 8, 2009: US20090251112-A1

A permanent magnet (PM) electric generator with directly controllable field excitation control comprises: a drive shaft; a PM rotor assembly with multiple PMs arranged around an outer axial periphery of the rotor assembly; a stator assembly comprising a ferromagnetic stator yoke, multiple ferromagne ...