Flow measuring device

Details Flow measuring device Flow measuring device

1975-03-05

1976-11-02

Michell, Robert W.

Surgery

Truss

Perineal

73207, A61B 508

Patent

active

039890376

ABSTRACT:
A flow measuring device, particularly a breathing flow receiver for the diagnosis of lung functioning has a flow pipe with a built in diaphragm, from which pressure difference produced by blowing is measured. The device is particularly characterized in that an elastic body, for example, a membrane, is used as the diaphragm, the opening of which changes within the operating range of the pipe by elastic deformation corresponding to flow pressure.

REFERENCES:
patent: 1326998 (1920-01-01), Wallace
patent: 2125435 (1938-08-01), Erling
patent: 2402585 (1946-06-01), Allison
patent: 2941401 (1960-06-01), Streeter
patent: 2989866 (1961-06-01), Widell et al.
patent: 3232288 (1966-02-01), Krobath
patent: 3403556 (1968-10-01), Koester
patent: 3680378 (1972-08-01), Aurilio et al.

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