Power cycling apparatus

Details Power cycling apparatus Power cycling apparatus

1984-11-02

1988-10-11

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

307117, 307140, 307141, H02J 300

Patent

active

047773790

ABSTRACT:
A cycling circuit for cycling a power source alternately between two loads provides switching circuitry having two switches interconnected between the power source and each of the loads. When each switch is in an active state, its respective load receives power, and when each switch is in an inactive state, its respective load does not receive power. A timing circuit controls the activation and deactivation of the switches so that the activation of one switch deactivates the other with the timing circuit establishing directions for each switch's active/deactive state. These durations may be set or selectively variable. A condition sensing element may also be included as part of the timing circuit so that the relative time durations vary automatically in response to environmental conditions such as temperature.

REFERENCES:
patent: 3153733 (1964-10-01), De Bolt et al.
patent: 3925680 (1975-12-01), Dixon
patent: 3980943 (1976-09-01), Cailleux et al.
patent: 4213058 (1980-07-01), Townsend
patent: 4242554 (1980-12-01), Hurko et al.
patent: 4409639 (1983-10-01), Wesner
patent: 4421992 (1983-12-01), Hibbard et al.
"Low-Cost Temperature Controller Built with Timer Circuit" by Lewis, Electronic Design 17, Aug-1975.

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