Patent ID: 6969969

Claim:
A circuit arrangement for the actuation of an electric-motor main drive ( 17 ) in a large domestic appliance operated from a frequency converter with a controlled bridge circuit ( 21 ), said domestic appliance being also equipped with an auxiliary drive ( 24 ), said auxiliary drive having bridge circuits ( 21 , 21 â€²) which are supplied from a unitary dc-voltage intermediate circuit ( 19 ) as is the main drive ( 17 ); characterized in that said auxiliary drive ( 24 ) comprises a single-phase motor having one motor supply line thereof connected to an arm of the bridge circuit ( 21 ) for the main drive ( 17 ) and another motor supply line thereof connected to a single arm of the bridge circuit ( 21 â€²) for the auxiliary drive ( 24 ) which is operated in parallel therewith.