Vacuum cleaner control circuit

Details Vacuum cleaner control circuit Vacuum cleaner control circuit

1990-09-18

1992-12-22

Stephan, Steven L.

Electricity: motive power systems

Alternating current commutating motors

Universal or a.c.-d.c. motors

H02P 308

Patent

active

051736462

ABSTRACT:
A transformerless control circuit turns the motor of a vacuum system ON/OFF using contact points at remote vacuum inlets, the contact points being electrically isolated from the 124/240 A.C. volt power line that supplies power to the vacuum system motor and the control circuit.

REFERENCES:
patent: 3848140 (1974-11-01), Guermeur et al.
patent: 3857076 (1974-12-01), Hetland
patent: 4371824 (1983-02-01), Gritter
patent: 4637092 (1982-01-01), Hayashi et al.
General Electric SCR Manual, 3d Ed. 1966, p. 54.

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