H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 13/00 (2006.01)
Patent
CA 2109075
2109075 9318568 PCTABS00025 An arrangement in an apparatus or a machine operated from the mains for the transfer of control commands to at least one working means (24) in the apparatus or machine, e.g. a motor or the like, via a wire (13) also used for the power supply to said working means. The arrangement comprises a control unit (10) provided for creating a control command by suppressing, in a predetermined order, at least part of one or several consecutive half-periods of a predetermined polarity of the supply voltage. Moreover, the arrangement comprises a slave unit (11) operating in response to the control command transmitted to activate the working means (24). The control unit (10) has such a design that before a control command is transmitted the control unit operates to shortly disconnect the supply voltage on the wire (13) for a period of time required for the current in the working means (24) to decline essentially to zero.
Ahlse Marc Rolf
Castwall Lennart Wilhelm
Moren Lars Gunnar
Aktiebolaget Electrolux
Fetherstonhaugh & Co.
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