Apparatus for discriminating between liquid and gaseous flow

Details Apparatus for discriminating between liquid and gaseous flow Apparatus for discriminating between liquid and gaseous flow

1975-01-27

1976-05-18

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Flow-responsive type

200 83L, 137183, 340240, H01H 3524

Patent

active

039580920

ABSTRACT:
A flow responsive apparatus having a movable element therein ported and connected to a manifold and tube assembly so that during liquid flow conditions, a liquid head is developed in both the manifold and the tube assembly which lifts the valve element in an upward direction, with the resultant movement being utilized to actuate a switch assembly, thereby indicating the occurrence of liquid flow. When gaseous flow enters the apparatus, the liquid head recedes, causing the tube assembly to move downward; thereby actuating the switch to its alternate position and indicating the occurrence of gaseous flow. The tube assembly is in the down position with either gaseous flow or no flow.

REFERENCES:
patent: 3297843 (1967-01-01), Hoss
patent: 3551071 (1970-12-01), Hoover
patent: 3551620 (1970-12-01), Hoover

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