Electricity: motive power systems – Motor-reversing – Field circuit control
Patent
1985-07-22
1986-10-14
Shoop, Jr., William M.
Electricity: motive power systems
Motor-reversing
Field circuit control
361397, 361399, 361400, H02P 740, H05K 118
Patent
active
046175008
ABSTRACT:
The present invention discloses an improved wiring construction of a control switch controlling a ceiling fan, the control switch being manually operated by a cord hanging from the control switch, the wiring construction comprising connecting means having two power source contacts and three connective contacts arranged systematically on a printed circuit board with its three connective contacts connected to a first end and a second end of a first winding of the drive motor driving the ceiling fan and to a tapping of the winding respectively; a condenser connected to one of the power source contacts, and to the first end of the first winding respectively through the connecting means; and a speed selecting switch actuated by the cord, and connected to the second end of the first winding, to the tapping, and to the other power source contact respectively through the connecting means for selecting different turns of the first winding to couple to the power source, so that the ceiling fan can rotate at different speeds.
REFERENCES:
patent: 3492537 (1970-01-01), Inman
patent: 3522485 (1970-08-01), Metrick
patent: 4494055 (1985-01-01), Bitting et al.
Ro Bentsu
Shoop Jr. William M.
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