EJECTOR MIXER Russian patent published in 2003 - IPC

FIELD: equipment applicable in proportioning of loose and powder materials, particularly, for application of protective coatings by spraying of dispersed materials. SUBSTANCE: ejector mixer has hollow cylindrical body with side holes for intake of powder and supply of compressed gas. Said cylindrical body accommodates ejector for axial motion. Ejector is made in form of two cylinders interconnected by connector. Each cylinder and connector have coaxial longitudinal hole. Diameter of hole of inlet cylinder is smaller than that in outlet cylinder. Cylindrical body additionally has n side holes for intake of powder and located above connector. External surface of cylinders is hermetically conjugated with internal surface of cylindrical body. Handle serves for axial motion of ejector. EFFECT: higher accuracy of control of amount of supplied powder due to stability of produced rarefaction in cavity of mixing of powder mixture with gas. 1 dwg