Inventor
WILLIAMSON DENNIS FRANCIS
3 patents
Patents
3 patentsUS4096423AJun 20, 1978
Direct current motor chopper propulsion system
GEN ELECTRIC58 citations92
US4054821AOct 18, 1977
D-C motor drive system with field current flow reversal upon transition between motoring and retarding modes
GEN ELECTRIC27 citations77
US4112475ASep 5, 1978
D-C motor flashover protection
GEN ELECTRIC13 citations70