公开(公告)号：US20170216873A1

公开(公告)日：2017-08-03

申请号：US15331400

申请日：2016-10-21

Applicant: Graco Minnesota Inc.

Inventor： Steven R. Sinders ,  Michael P. Bozzelli ,  Matthew E. Givler ,  Malcolm C. Larsen ,  William R. Anderson

IPC: B05C5/02 ,  B01F15/02 ,  B01F15/06 ,  B05C5/00 ,  B01F3/04

CPC classification number: B05C5/0233 ,  B01F3/04248 ,  B01F3/04453 ,  B01F3/04531 ,  B01F7/00816 ,  B01F15/0243 ,  B01F15/0292 ,  B01F15/065 ,  B01F15/066 ,  B01F2003/04333 ,  B01F2003/04709 ,  B01F2015/061 ,  B05C5/001

Abstract: An apparatus for preparing a liquid material containing microbubbles includes a dispensing nozzle and a first positive displacement gas pump. The dispensing nozzles includes a material mixing channel, a rotary gas diffuser positioned in the material mixing channel, and a rotary mixer positioned in the material mixing channel downstream of the rotary gas diffuser. The rotary gas diffuser and the rotary mixer rotate about a common axis of rotation. The first positive displacement pump has a first gas outlet opening to the material mixing channel, which is directed at an outer circumference of the rotary gas diffuser.