Flow detector

Details Flow detector Flow detector

1979-11-07

1981-11-24

Caldwell, Sr., John W.

Electricity: circuit makers and breakers

Fluid pressure

Flow-responsive type

137557, 12820222, 200 819R, 200 83Q, 200 83R, 340605, 340611, H01H 3534

Patent

active

043026400

ABSTRACT:
A flow detector including an orifice for forming a vena contracta to activate a connected pressure detector so as to trigger an alarm mechanism upon the occurrence of disconnect of the patient exhalation valve in a mechanical ventilator system. A configuration of the flow detector makes erroneous hookup of the ventilator and pressure detector hoses all but impossible.

REFERENCES:
patent: 3867934 (1975-02-01), Ollivier
patent: 3870012 (1975-03-01), Metivier
patent: 4067329 (1978-01-01), Winicki
patent: 4176617 (1979-12-01), Pilipski

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