Measuring and testing – Volume or rate of flow – By measuring thrust or drag forces
Patent
1991-01-29
1993-03-09
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
By measuring thrust or drag forces
7317002, G01F 128
Patent
active
051918005
ABSTRACT:
An anemometer, in which a preferably cylindrical flow-capturing surface (1) is fastened to the control lever (10) of an electrical transducer (2) which is fixed to the top of a support (16) mounted in a box (15). The flow-capturing surface (1) is fastened to a cylindrical hollow body (18) arranged in an annular chamber (19) which surrounds the electrical transducer (2) and the support (16) thereof. The upper part of the cylindrical body (18) is passed through an opening (315) formed in the upper wall (115) of the box and sealingly closed by a resilient annular collar (14) fixed to the cylindrical hollow body (18) and to the upper wall (115) of the box (15). The flow-capturing surface (1) is protected by a covering disc (23) fastened to the upper wall (115) of the box (15) by spaced thin rods (24).
REFERENCES:
patent: 4631959 (1986-12-01), Motycka
patent: 4788869 (1988-12-01), Li
Goldstein Herbert
Sitep S.p.A.
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