Dispensing – Processes of dispensing
Patent
1993-09-07
1994-09-06
Huson, Gregory L.
Dispensing
Processes of dispensing
222 14, 222 30, 222 57, 222 71, 222134, 250365, 364510, B67B 700
Patent
active
053440447
ABSTRACT:
An injection system and method for blending an additive into a main fluid flow stream at a controlled ratio, characterized by a controller wherein the electrical circuitry thereof is contained in an explosion-proof housing having a window through which electromagnetic energy, such as an infrared command signal, can be transmitted. The circuitry contained within the explosion-proof housing includes a receiver for receiving the electromagnetic energy transmitted through the window and a processor or processors for decoding information included in the electromagnetic energy and for carrying out one or more functions based on such information. Also disclosed is an additive injection correction technique, a clean line technique and related and other features of the system and method.
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