Fluid flow meter

Details Fluid flow meter Fluid flow meter

1981-04-16

1983-07-19

Birmiel, Howard A.

Measuring and testing

Volume or rate of flow

By measuring thrust or drag forces

7386176, 7386189, G01F 111

Patent

active

043937233

ABSTRACT:
A fluid flow meter with a turbine rotationally supported within a transparent cylindrical housing and biased against its rotational response to the flow of fluid whereby flow rates are read on a circumferential scale mounted on the turbine. In an alternative embodiment, in addition to rotational movement the turbine is biased against axial movement whereby a helical scale mounted on the turbine may be calibrated and read along more than a single 360.degree. of angular movement. In another alternative embodiment, a compression spring in combination with a threaded axle which mates with a threaded cavity within the turbine, provides helical displacement of the turbine for permitting the calibration of more than 360.degree. of angular rotation.

REFERENCES:
patent: 1510689 (1924-10-01), Manifold
patent: 1665141 (1928-04-01), Mayer
patent: 2422762 (1947-06-01), Williams
patent: 2483190 (1949-09-01), Evans
patent: 3377856 (1968-04-01), Hasegawa
patent: 3811323 (1974-05-01), Swenson
patent: 4041891 (1977-08-01), Rosaen
patent: 4186603 (1980-02-01), DuBae

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