Fluid sprinkling – spraying – and diffusing – Processes
Patent
1993-10-01
1995-02-14
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
Processes
239 13, 239 61, 239112, 239135, 239398, 222138, 2221465, 222148, 417 441, B05B 716
Patent
active
053887611
ABSTRACT:
An apparatus and method for mixing and delivering plural liquid components in a selected volume ratio. For each component, a separate motor drives a separate rotary gear pump that delivers the component to a common mixing and delivery device (spray gun). The speed of each motor, and correspondingly the volume of fluid delivered by that pump, is determined by a respective programmable computer. The individual computers are interlinked, with one master computer and the rest slave(s). Desired motor speeds are input into the computers in a selected ratio. A change in the speed of the master motor therefore produces a corresponding change in the speed of a slave motor according to the ratio. Actual motor speed is monitored and transmitted to the respective computer for feedback control. A simple manual ratio test is provided for calibration of the system. Each pump is magnetically coupled to its respective motor drive shaft.
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