Foam liquid concentrate supply system

Details Foam liquid concentrate supply system Foam liquid concentrate supply system

1982-06-29

1984-03-13

Smith, Leonard E.

Pumps

Condition responsive control of pump drive motor

By controlling drive motor motive fluid

169 13, 169 15, 137100, 137114, 417390, 417442, A62C 3544, G05D 1100, F04B 4908

Patent

active

044364873

ABSTRACT:
A system for supplying foam liquid concentrate via a concentrate pump to one or more water pump discharge outlets. The concentrate pump is powered by a variable output hydraulic drive which in turn is automatically modulated independently of the level of operation of the water pump by a control system which is responsive both to the water pressure developed by the water pump and to the foam liquid concentrate pressure developed by the concentrate pump.

REFERENCES:
patent: 2611439 (1952-09-01), Faulkner
patent: 3047003 (1962-07-01), Gurney
patent: 3811660 (1974-05-01), Cole, Jr.
patent: 3853272 (1974-12-01), Decker et al.
patent: 3900043 (1975-08-01), Bowen et al.
patent: 4246969 (1981-01-01), McLoughlin
patent: 4278132 (1981-07-01), Hostetter

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