Inventor
TOELLE HANS-JUERGEN
DE7 patents
Patents
7 patentsUS7569954B2Aug 4, 2009
Redundant cooling system with two cooling circuits for an electric motor
SIEMENS AG36 citations89
US5034675AJul 23, 1991
Polyphase machine fed by a pulse-controlled a.c. converter
SIEMENS AG41 citations87
US5714857AFeb 3, 1998
Current regulation process for a three-phase, static-converter-fed, permanently excited synchronous machine
SIEMENS AG18 citations76
US4924370AMay 8, 1990
Low-loss and low-reactive power switching relief device for the semiconductor switches of an inverter
SIEMENS AG11 citations71
US7064503B2Jun 20, 2006
Active noise compensation
SIEMENS AG8 citations68
US4890181ADec 26, 1989
Short-circuit protection device for an electrical machine fed by a pulse-controlled A.C. converter
SIEMENS AG5 citations57
US4906911AMar 6, 1990
Electrical machine driven by a pulse-controlled a.c. converter
SIEMENS AG1 citations47