Flat roof auxiliary drain system

Details Flat roof auxiliary drain system Flat roof auxiliary drain system

1979-06-11

1981-02-03

Michalsky, Gerald A.

Fluid handling

Siphons

Plural

137132, 137147, 137357, 417411, F04F 1000

Patent

active

042482585

ABSTRACT:
A flat roof solar powered auxiliary drain system having master and satellite modules with respective drain lines and electric pumps for charging the drain lines for syphoning standing water from a flat roof, the master module having a battery and a solar cell for charging the battery for supplying power for operating the electric pumps and a control circuit for selectively energizing the electric pumps for removing standing water.

REFERENCES:
patent: Re28491 (1975-07-01), Kundert
patent: 3757812 (1973-09-01), Duncan

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