Device for measuring the volume flow of a fan

Details Device for measuring the volume flow of a fan Device for measuring the volume flow of a fan

G - Physics

01

F

73/125

G01F 1/46 (2006.01) F04D 27/00 (2006.01) F24F 11/02 (2006.01) G01F 1/36 (2006.01)

Patent

CA 1332294

Abstract A measuring device for measuring a pressure difference (.DELTA.p) and thereby the volume flow (qv) of a fan by carrying out the measuring of the pressure difference (.DELTA.p) in a two-chamber measuring part (2) located in the pressure aperture or its continuation in the fan, each chamber having small-diameter apertures (5), that inner surface (8) of the measuring-device housing (1) against which or close to which the measuring part (2) is located being the cut-off (10) or extended cut-off (9) of the fan mantle, or a continuation of these. The measuring part (2) is installed inside the housing (1) in such a manner that the direction (F) of the flow to be measured is substantially perpendicular to the length (C) of the measuring part. Figure 1

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