Patent ID: 8267331

Claim:
A sprayer which is comprised of a power unit and a media cartridge system, wherein the power unit is comprised of (1) an electrical power source, (2) an electric motor, (3) a pump which is driven by the motor, (4) an electrical control switch, (5) a media cartridge air transfer interface, (6) a media cartridge engagement means, and wherein the media cartridge system is comprised of (a) a media container, (b) a self-cleaning nozzle, (c) a media shut-off means, (d) a primary media atomizing aperture in a configuration relative to the self-cleaning nozzle, (e) a movable media containment member within the media container, ( 4 ) a gas transfer interface, and (g) a power unit engagement means which is adapted to provide for temporary attachment to the media cartridge engagement means.