for controlling a combination of batteries and fuel cells

Full Title

Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles > for controlling a combination of batteries and fuel cells

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

VEHICLES IN GENERAL

Subclass:

PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES