B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 5/053 (2006.01) B05B 5/04 (2006.01) B05B 7/08 (2006.01)
Patent
CA 2367140
The invention relates to a rotary atomizer with external charging which can be used for applying conductive paints, in particular water-based paint, to a surface of a body to be coated. The rotary atomizer has a directing air ring (13) at high-voltage potential and an earthed spraying bell (6). To reduce the risk of discharges, it is proposed to connect the ring (13) to earth potential via a high-impedance resistance (17), so that the ring (13) assumes a potential which lies between the high-voltage potential of electrodes (19) for the external charging and the earth potential of the bell (6).
L'invention concerne un pulvérisateur rotatif à charge extérieure, pouvant être utilisé pour appliquer des peintures conductrices, notamment des peintures aqueuses, sur une surface à recouvrir, d'un corps. Ce pulvérisateur rotatif présente un anneau à air de guidage (13) se trouvant à un potentiel élevé, et une cloche de pulvérisation (6) mise à la terre. L'invention vise à réduire les risques de décharges. A cet effet, l'anneau (13) est mis à la terre par l'intermédiaire d'une résistance puissante (17), de sorte qu'il possède un potentiel compris entre le potentiel élevé d'électrodes (19) pour la charge extérieure et le potentiel terrestre de la cloche (6).
Borner Gunter
Georgi Steffen
Wittmann Josef
Yamabe Hidetoshi
Abb Patent Gmbh
Marks & Clerk
LandOfFree
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