Device for producing an air stream having a flattened shape in t

Details Device for producing an air stream having a flattened shape in t Device for producing an air stream having a flattened shape in t

1994-11-09

1996-12-24

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With mobile tank-type supply means

Vehicle drawn or carried

239166, 239294, 2394195, A01G 2509

Patent

active

055867251

ABSTRACT:
A spray device, especially for agricultural use, includes a centrifugal compressor which sends compressed air to at least one injector (20) placed upstream of the throat (16) of a convergent-divergent, so as to entrain the surrounding air by a venturi effect. The convergent-divergent may itself be of flattened shape, but it is preferred to group several parallel convergents-divergents (14) together along a line parallel to the maximum extension of the section of the air stream to be created. The device includes blowing panels (7), with a box-type structure, which have the convergents-divergents passing through them in leak-tight fashion. The internal volume of the box structure (7) constitutes a compressed air manifold connected, on the one hand, to the compressor and, on the other hand, to the injectors (20) by pipes (21, 22, 23).

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patent: 5305548 (1994-04-01), Siebol
patent: 5307992 (1994-05-01), Hall et al.
patent: 5361992 (1994-11-01), Broyhill

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