Positive end expiratory pressure device

Details Positive end expiratory pressure device Positive end expiratory pressure device

1976-01-08

1980-01-08

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

137514, 1375145, F16K 3112

Patent

active

041823664

ABSTRACT:
A diaphragm divides a chamber into two segments, the first of which includes an air input port and an outlet port formed by a tube which contacts the diaphragm. On the other side of the diaphragm, a variably adjustable spring actuated piston urges the diaphragm to closure against the outlet port. Incoming air pressure deflects the diaphragm away from the outlet port against the spring and air compression, to allow predetermined exhaust air flow. A valved opening behind the diaphragm provides safety against diaphragm tear and malfunction.

REFERENCES:
patent: 1616032 (1927-02-01), Duffy
patent: 1871535 (1932-08-01), Lattner
patent: 2639194 (1953-05-01), Wahlin
patent: 2888947 (1959-06-01), Montgomery
patent: 2918082 (1959-12-01), Pinke
patent: 3043333 (1962-07-01), Kugler
patent: 3294114 (1966-12-01), Birkemeier
patent: 3419039 (1968-12-01), Monnich
patent: 3474816 (1969-10-01), Burgess
patent: 3550617 (1970-12-01), Johnson

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