AC/DC automatic changeover and automatic charge device

Details AC/DC automatic changeover and automatic charge device AC/DC automatic changeover and automatic charge device

1988-06-14

1990-07-03

Shoop, Jr., William M.

Electricity: motive power systems

Reciprocating or oscillating motor

Plural, diverse or diversely controlled motor windings

318130, 310 29, 307 66, H02K 3312

Patent

active

049394320

ABSTRACT:
The AC/DC changeover device automatically changes from AC to DC current by setting a TRIAC on or off, to supply DC from a battery in the absence of AC, for powering an air pump for an aquarium.

REFERENCES:
patent: 4636695 (1987-01-01), Tsai

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