US 12,109,581 B2
Rotory bell atomizer shaping air configuration and air cap apparatus
Daniel L. Medina, St. Paul, MN (US); Dawn P. Svenkeson-Koubal, Wayzata, MN (US); Elisa J. McCline, Elk River, MN (US); and Mark S. Jennen, Eden Prairie, MN (US)
Assigned to Graco Minnesota Inc., Minneapolis, MN (US)
Filed by Graco Minnesota Inc., Minneapolis, MN (US)
Filed on Aug. 30, 2021, as Appl. No. 17/460,932.
Claims priority of provisional application 63/194,479, filed on May 28, 2021.
Prior Publication US 2021/0387213 A1, Dec. 16, 2021
Int. Cl. B05B 5/04 (2006.01); B05B 3/10 (2006.01); B05B 7/08 (2006.01)
CPC B05B 5/0426 (2013.01) [B05B 3/1092 (2013.01); B05B 5/0407 (2013.01); B05B 7/0815 (2013.01); B05B 3/1014 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A shaping air ring for a rotary bell atomizer spray device, the shaping air ring comprising:
a plurality of nozzles disposed in the shaping air ring, wherein each nozzle of the plurality of nozzles comprises:
a mix chamber having a first inlet, a second inlet, and an outlet;
a first source air passage formed in the shaping air ring, wherein the first source air passage extends to the first inlet to output a first flow of shaping air through the first inlet, the first source air passage including a first feed air passage open on the shaping air ring to receive the first flow of shaping air into the shaping air ring; and
a second source air passage formed in the shaping air ring, wherein the second source air passage extends to the second inlet to output a second flow of shaping air through the second inlet, the second source air passage including a second feed air passage open on the shaping air ring to receive the second flow of shaping air into the shaping air ring.