Foam liquid proportioner

Details Foam liquid proportioner Foam liquid proportioner

1982-01-28

1984-05-15

Rolla, Joseph J.

Fire extinguishers

Fluid systems

Plural source, mixing in transit

417405, A62C 3500

Patent

active

044482566

ABSTRACT:
A foam liquid proportioner including a positive displacement water motor coupled to a positive displacement foam liquid pump is provided with a gear drive mechanism which steps up the RPM of the foam liquid pump to be much higher than the RPM of the water motor to a speed so as to reduce the ratio of the slippage of foam liquid to the total flow of the foam liquid through the foam liquid pump.

REFERENCES:
patent: 1137927 (1915-05-01), Thomas
patent: 2543941 (1951-03-01), Sargent

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