Electrostatic coating guns
Detachable cylindrical power supply for induction type electrostatic spray gun
Detachable power supply for induction type electrostatic spray gun
Electrostatic spray gun with isolating paint conduit
Electrostatic coating guns Patent #: 4171098
ApplicationNo. 06/032417 filed on 04/23/1979
US Classes:361/228, Liquid type239/708Pressurized spray material
ExaminersPrimary: Moose, Harry E. Jr.
Assistant: Schroeder, L. C.
Attorney, Agent or Firm
International ClassesB05B 5/025 (20060101)
B05B 5/053 (20060101)
Foreign Application Priority Data1978-04-28 DE
AbstractAn electrostatic hand-held spray gun with a body consisting of a barrel affixed at a selected angle to a handle. The barrel has a boring which terminates at an atomizer. The handle contains a boring which at a lower end terminates in a hose connection and at an upper end at a control valve. A second end of the barrel boring also terminates at the valve. The control valve is operable by a trigger rotatably affixed to the handle and controls the flow of color material through the boring in the barrel. A spray electrode is located adjacent the atomizer. A tubular trigger guard structure is located near the second end of the barrel in front of the trigger and is oriented at a selected angle with respect to the barrel. A high voltage cascade multiplier module and a step-up transformer module are removably mounted within the trigger guard. A low voltage cable brought into a lower end of the trigger guard provides power to drive the step-up transformer. The step-up transformer outputs an intermediate voltage, high frequency, signal to drive the high voltage multiplier circuitry. The output of the high voltage multiplier circuitry is connected by a conductor, through a current limiting resistor to the electrode adjacent the atomizer.
Field of SearchFor spray production