Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1983-03-23
1984-08-28
Cohan, Alan
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
137266, 137263, F16K 1110
Patent
active
044678266
ABSTRACT:
In a device for dispensing liquids from a first into a second container via a conveying conduit including a flow counter and shut-off means, flow measuring errors due to the presence of gas in the liquid are prevented by controlling the effective free cross-section of the shut-off means so that flow is permitted only if the pressure upstream of the flow counter is between two positive pressure values.
REFERENCES:
patent: 3330157 (1967-07-01), Richards
patent: 3654953 (1972-04-01), Hagdorn
Alfons Haar Maschinenbau GmbH
Cohan Alan
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