Impeller arrangement in a measuring device

Details Impeller arrangement in a measuring device Impeller arrangement in a measuring device

1998-02-11

2000-03-07

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416223R, 416228, 416237, 73861354, 7386179, B63H 128

Patent

active

060331844

ABSTRACT:
The invention relates to an impeller (1) for a mass flow measuring device receiving inflow of material through an inlet tube (6), the impeller comprising a bottom plate (4), an upper plate (5) and vanes (3) extending between the lower and upper plates. An inner edge (7) of the vanes (3) is continuously or successively rising from the center (9) of the impeller (1), or the vicinity thereof, towards the outer edge (R.sub.1m) of the inlet tube (6), and that the vanes (3) are provided with a continuously or successively rising outer edge (14) corresponding to an increase of the radius of the impeller from the radius (R.sub.2) of the bottom plate (4) to the radius (R.sub.xm) of the upper plate (5).

REFERENCES:
patent: 2877649 (1959-03-01), Powers
patent: 3224079 (1965-12-01), Dybvig

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