Fluid collection bottle with improved air flow valve means

Details Fluid collection bottle with improved air flow valve means Fluid collection bottle with improved air flow valve means

1974-11-07

1976-06-01

Cohan, Alan

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137205, 137433, 128276, A61M 100, F16K 3122

Patent

active

039601650

ABSTRACT:
A vacuum operated fluid collection bottle including a fluid inlet port and also a vacuum port, with the vacuum port being provided with an improved vacuum shut-off valve provided with an air deflecting baffle. Such baffle is disposed underneath the valve element or valve gate and is spaced therefrom. The purpose for the baffle is to deflect air essentially around the valve gate so that the pressure of onrushing air, due to the imposition of a vacuum condition, will not cause the valve gate to close prematurely. Thus, the valve gate, even though made of lightweight material, will be permitted simply to float upwardly in response to the rise of fluid level within the bottle until an essentially bottle-filled condition is reached, at which point the lightness of the valve gate will be responsive to the reduced pressure area at the vacuum port so as to suck into and tightly seat against the valve seat provided therefor.

REFERENCES:
patent: 2949926 (1960-08-01), Hanin
patent: 3401751 (1968-09-01), Loftin

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