Measuring and testing – Volume or rate of flow – By measuring swirl rate imparted by static means
Patent
1985-11-05
1987-06-16
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
By measuring swirl rate imparted by static means
7386179, 73199, G01F 108
Patent
active
046728546
ABSTRACT:
A converter of the rate of flow of a fluid is disclosed with a measuring chamber having a smooth internal outer surface and a cylindrical casing, disposed in the base of the eternal casing of the converter. An inlet chamber of a damper is formed from the side of a flexible membrane in the converter. Between the cylindrical casing and the base of the external casing, a free (clear) annular space is provided. On the external wall of the first half of said chamber there is a hole, while on the external wall of the other half of said chamber there is a compensation hole disposed in front of the tangential inlet of the cylindrical measuring chamber. A turbine wheel, disposed inside the chamber, has flat rectangular blades. In the axial outlet of the cylindrical measuring chamber, a guiding element is disposed with bottom and top transverse bases having the shape of circular sectors. The bottom and the top transverse bases are interconnected by a spiral surface in such manner that the circular section of the transverse base is disposed in front of the free section. Between the axial outlet of the cylindrical measuring chamber and the outlet chamber of the damper, a hydraulic throttle is shaped in the base of the external casing of the converter.
REFERENCES:
patent: 4011757 (1977-03-01), Baatz
patent: 4393724 (1983-07-01), Werkmann et al.
patent: 4433583 (1984-02-01), Kirk
Djudjev Slavtcho G.
Todorov Dimiter T.
Yarumov Kiril D.
Goldstein Herbert
V M E I "Lenin"
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