B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
18/500.5
B22F 9/08 (2006.01)
Patent
CA 1228459
ABSTRACT Very finely granular metal powders are produced by atomising a liquid jet of metal by means of a gas jet which, in addition to a continuous band of sound frequen- cies, contains at least one discrete sound frequency which is at least 5 decibel above the average intensity of this band, and which is generated in a rotationally symmetrical device by means of a nozzle (4) which has the shape of a hollow cone and by means of an annular resonance space 7) with an annular edge (6) and is projected concentrically against the liquid jet of metal at a total opening angle of an average 35 to 55°. The atomisation zone of the gas jet should preferably contain at least three discrete sound frequencies which are each at least 10 decibel above the sound intensity of the continuous band.
453276
Duerig Thomas
Escudier Marcel
Keller Jakob
Limited Bbc Brown Boveri & Company
Ogilvy Renault
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