Patent ID: 7370817
Filing Date: 2008-05-13
Classification: B05B,F02M

Abstract:
1. An actuated atomizer, comprising: an outer enclosure, comprising: an actuator insert; and a cap threaded onto the actuator insert a nozzle framework, positioned within the actuator insert, adjacent to a spray passage defined within the actuator insert, comprises: a base of the nozzle framework defining: an O-ring notch on an outside perimeter of the base; a swirl chamber on an inside surface of the base; four swirl inlets arrayed in ninety degree intervals about the swirl chamber; a discharge passage having a first end adjacent to the swirl chamber; and a discharge aperture, defined at a second end of the swirl chamber; a nozzle insert, positioned adjacent to the inside surface of the base of the nozzle framework, defines a center inlet adjacent to the swirl chamber and additionally defines four feed ports distributed about the center inlet at ninety degree intervals, whereby each feed port is aligned with one of the four swirl inlets defined in the base of the nozzle framework; a spool, positioned within the coil housing, comprises a cylindrical body defining a plunger travel path and upper and lower end plates, each end plate comprising spokes between which are defined notches which allow fluid to circulate against windings wrapped about the cylindrical body of the spool; a plunger, positioned within the plunger travel path within a magnetic field from the windings, comprises a cylindrical body having a first end within the plunger travel path and a second end supporting a plunger end plate comprising three spokes, the second end defining a lower axial channel; pintle, positioned by the plunger, for moving between a first position wherein a head of the pintle blocks the discharge passage of the nozzle framework and a second position wherein the pintle is withdrawn from the swirl chamber, thereby allowing the passage of fluid; and a spring positioned between the spool and the plunger end plate, urges the pintle to block the discharge passage.