LACQUER APPLICATION DEVICE, IN PARTICULAR A ROTARY SPRAYER Russian patent published in 2019 - IPC B05B7/04 

FIELD: liquid atomisation or spraying devices.

SUBSTANCE: invention relates to application device (RZ), in particular to rotary sprayer, for application of coating agent, in particular, two-component varnish. Device for application includes first connector (SL) of coating agent for supply of first coating agent, in particular base varnish of two-component varnish and the first branch (L1–L4) of the coating agent, which extends in application device (RZ) from the first connector (SL) of the coating agent and carries the first coating means. Device also includes first valve (SLV1), which is located on first branch (L1–L4) of cover device and controls flow of first coating means, wherein first valve (SLV1) can be controlled by first control signal. At first branch (L1–L4) of cover device there is a first valve (SLV1) of excess pressure, which is actuated by working medium, which automatically opens to prevent overpressure problem, if pressure upstream of first valve (SLV1) of excess pressure exceeds certain maximum pressure.

EFFECT: enabling prevention of failure of the valve lines (that is at gluing the valve) that the feed lines can be broken.

26 cl, 7 dwg