Portaattomasti muuttuvanopeuksinen sähkönostotalja

A stepless speed change electric chain block includes a DC motor for driving a load sheave. The chain block comprises a phase control circuit having a variable resistor, a capacitor, a two-way trigger diode, a triode AC switch and the like for receiving alternating current from alternating power sou...

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Bibliographische Detailangaben
1. Verfasser:	WATANABE,HISATSUGU
Format:	Patent
Sprache:	fin ; swe
Schlagworte:	CAPSTANS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CRANES ELECTRICITY GENERATION HAULING HOISTING HOISTS LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS TACKLES, e.g. PULLEY BLOCKS TRANSPORTING WINCHES
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