Safety circuit in brake systems for rail-bound vehicles
DE19507408A1
Circuit arrangement for limiting switching overvoltages on power semiconductor switches
EP0599031A1
Roof container for accomodation of electric and electromechanical components of the drive and vehicle control of railway vehicles and trolley buses
DE4235138A1
Protective discharge device for DC capacitors in a converter system
EP0379027A1
Belt conveyor with a longitudinal rip control device
DE3211584A1
Control circuit for automatic error correction in a frequency/voltage-voltage/frequency convertor circuit
GB2058457A
Electrical disconnecting switch
DE2849938A1
Individual monitoring security alarm system - requires individual to respond to and interact with, pre-alarm and main alarm cycles
DE2838955A1
Traction control using two DC motors - incorporates standby series connection used if one circuit fails
DE2739567A1
Antiskid control for train wheels - has three threshold levels for optimum braking and traction
DE2726986A1
Small prodn. run wired assembly testing - involves applying voltages consecutively to inputs of test and standard assembly and comparing voltages at all other inputs
DE2702732A1
Semiconductor assembly for use in electric vehicles - has semiconductor elements between massive heat storage blocks in contact with cooling elements
DE2636720A1
SINGLE ROLLER CAM CONTROLLER FOR ELECTRIC TRAINING VEHICLES
DE2461296A1
High load meandering strip resistor - has each resistance strip supported in insulator notches by transverse corrugations
DE2451277A1
Circuit for DC powered locomotive - includes one or several drive motors
DE2438769A1
Braking control for multi motor electric vehicle - has arcing protection on brake switch and regenerative braking
DE2313412A1
CIRCUIT ARRANGEMENT FOR THE PULSE CONTROL OF A BATTERY-SUPPLIED DC SHUNT MOTOR
DE2254792A1
ARRANGEMENT FOR A SWITCHGEAR CONTROLLER FOR ELECTRIC TRAINING VEHICLES
DE2237337A1
TIMER FOR TICKET DEALERS AND SIMILAR DEVICES
DE2233188A1
CIRCUIT ARRANGEMENT FOR A DC SHUNT MOTOR WITH PULSE CONTROL AND REVERSIBLE DIRECTION OF ROTATION
