Electrically controlled, brushless electric machine
DE2656953A1
Turn-off circuit for self-commutating thyristor device - has transistor switch across thyristor with transistor turned on to turn thyristor off
DE2534580A1
Electrically melting materials with negative temp. coefficient - controlling heat input via resistance values of charge itself
DE2459754A1
Electronically commutated brushless multipolar DC machine - with current feed at two positions from separate sources in protected against antiparallel connection
DE2453996A1
Electronically commutated brushless multipolar DC machine - with current feed at two points only has armature coils connected in series groups
DE2442965A1
Turn-off circuit for thyristors in bidirectional controls - simplifies circuitry by using separate turn-off bus-bars for each direction
DE2432742A1
Commutating supply for thyristors in motor drive - derived from separate source to ensure correct operation
DE2430031A1
Mounting for reciprocating church bells - roller carriage to accommodate horizontal forces by further roller mass
DE2422493A1
Process to improve internal combustion engine efficiency - adds ozone or oxygen to engine air intake
DE2362642A1
Electronically controlled DC machine - has star and delta-coupled armature windings to avoid anti-parallel thyristor control
DE2355566A1
Control cct. for reversible motors - has reversing switch replaced by two triacs with cross-coupled quenching capacitors
DE2341960A1
Automatic parking disc - dial moves in synchronism and in phase with clock only when car engine is running
DE2334575A1
Method for operating a parking meter - uses a relay and is coupled to mechanical piece parts
