Feeder assembly for particle blast system

Details Feeder assembly for particle blast system Feeder assembly for particle blast system

B - Operations, Transporting

24

C

B24C 7/00 (2006.01) B24C 1/00 (2006.01) B65G 53/46 (2006.01)

Patent

CA 2484912

A particle blast system includes a feeder assembly having a rotor with a plurality of pockets formed in the peripheral surface. The transport gas flowpath includes the pockets, such that substantially all transport gas flows through the pockets. The seal adjacent the peripheral surface is actuated by the transport gas pressure to urge its sealing surface against the rotor's peripheral surface. At start up, there is no substantial pressure between the seal and the rotor, reducing start up torque requirements.

système de projection de particules comprenant un ensemble distributeur doté d'une pluralité de poches sur sa surface périphérique. Comme le chemin d'écoulement du gaz englobe ces poches, la quasi totalité du gaz transporteur traverse lesdites poches. Sous l'effet de la pression du gaz transporteur, la surface jointive du joint situé contre la surface périphérique se plaque sur la surface périphérique du rotor. Au démarrage, il n'y a pratiquement pas de pression entre le joint et le rotor, ce qui réduit les besoins de couple momentanés.

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