Device for stirring up gas flowing through a duct having a struc

Details Device for stirring up gas flowing through a duct having a struc Device for stirring up gas flowing through a duct having a struc

1999-01-14

2000-10-24

Cooley, Charles E.

Agitating

Having specified feed means

Plural related feeders having separate outlets to mixing...

366337, B01F 500

Patent

active

061356298

ABSTRACT:
A device for stirring up gas flowing through a duct (2) accommodating one or more flat insertion structures (1) positioned at an acute angle to the main gas stream. Each structure constitutes an eddy-generating surface with a freely washed forward edge directed toward the oncoming gas and facing partly along and partly across the flowing gas. Each structure can be contoured in cross-section. The object is to decrease the weight of the structures. Each structure is accordingly basically a trapezium with two parallel edges of different length, the shorter edge of the installed structure facing upstream and the longer edge provided with an aerodynamic sweep and facing downstream. The structure is also accordingly folded along three straight lines (3) to form an .omega. or w in cross-section, with two convex folds (5) flanking a single concave fold (4).

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patent: 5967658 (1999-10-01), Mohajer

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