Fluid sprinkling – spraying – and diffusing – With means fusing solid spray material at discharge means – Wire or rod type supply
Patent
1994-06-14
1995-09-12
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
With means fusing solid spray material at discharge means
Wire or rod type supply
226 42, B05B 718, B05C 504
Patent
active
054491185
ABSTRACT:
A control apparatus is coupled to a flame spray gun for controlling the rate of feeding of a rod of heat fusible material through the gun. The control apparatus includes an electric motor adapted to be drivingly coupled to a flame spray gun and being operable in response to application of a D.C. voltage thereto to generate rotary motion to produce and control feeding of a rod of heat fusible material through the flame spray gun, an A.C. to D.C. converter and regulator device for generating and applying the D.C. voltage to the electric motor, a manually adjustable potentiometer connected to the converter and regulator to vary the quantity of D.C. voltage output applied to the electric motor and thereby control the rate of rotary motion produced by the electric motor, a tachometer coupled to the electric motor for sensing the rotary motion produced by the electric motor and, in response thereto, generating a feedback voltage signal representing the rate of rotary motion produced by the electric motor and thereby the rate of feeding of the rod of heat fusible material through the flame spray gun, and a digital display coupled to the tachometer and receiving the feedback signal therefrom, the digital display being adapted to produce a readout of the feed rate in response to the feedback signal.
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Flanagan John R.
Merritt Karen B.
Swartz Michael R.
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