Method and system for controlling the fluid level in a drain tan

Details Method and system for controlling the fluid level in a drain tan Method and system for controlling the fluid level in a drain tan

1979-12-27

1981-11-03

Nilson, Robert G.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

60653, 60679, 60680, 137118, 137398, G05D 703, G05D 904

Patent

active

042980194

ABSTRACT:
A method and system for allocating fluid flow draining from a fluid utilizing apparatus to first and second fluid sinks. The fluid flow is entirely routed to the first fluid sink for drain flow rates less than a predetermined flow rate and to the second fluid sink as well as the first fluid sink for drain flow rates at least as great as the predetermined flow rate. Fluid from the fluid utilizing device is received in a drain tank through an inlet port and is drained therefrom through an outlet port. The fluid flow rate through the outlet port is regulated by cooperatively modulating first and second valves arranged in parallel flow relation to allocate fluid flow to the first and second fluid sinks.

REFERENCES:
patent: 2467951 (1949-04-01), Whitley
patent: 3053521 (1962-09-01), Plaster
patent: 3219051 (1965-11-01), Francis
patent: 3322136 (1967-05-01), Matta
patent: 3518830 (1970-07-01), Viscovich

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