Proportioner pumping system

Details Proportioner pumping system Proportioner pumping system

1988-09-13

1990-03-13

Nilson, Robert G.

Fluid handling

Systems

Multiple inlet with single outlet

137565, 137898, 239124, F16K 1900

Patent

active

049076205

ABSTRACT:
A pumping system is described for pumping a first fluid (e.g., water) and selectively adding a second fluid (e.g., fire retardant chemical, fertilizer, pesticide, etc.) to the first fluid. The system includes a pump connected to a discharge manifold having discharge openings. An inlet conduit is connected between the pump and the first fluid. An eductor conduit is connected between the discharge manifold and the inlet conduit. A feed conduit feeds the second fluid to the eductor. A control valve selectively allows the second fluid to be fed to the first fluid. When the second fluid is not being added, the feed line is flushed without changing pressure.

REFERENCES:
patent: 3075749 (1963-01-01), Mason
patent: 3806037 (1974-04-01), Loewenkamp
patent: 4645009 (1987-02-01), Hawelka

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