Tube metering control system

Fluid sprinkling – spraying – and diffusing – Processes – Including dissolving or entraining in liquid stream

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Details

239126, 239127, 239155, 239142, 239434, 1376253, 137599, B05B 726

Patent

active

055203337

ABSTRACT:
Method and apparatus for dispensing a liquid agricultural agent at a desired rate. A source of the liquid is pressurized and passed in parallel though at least one regulating capillary tube of such diameter and length as to regulate the rate of dispensing of the liquid at the desired rate. A pressure of the liquid is sensed and controlled for the purpose of adjusting the above-mentioned flow rate. A flow rate of the liquid is sensed and used with the sensed pressure to detect and alert a user of possible problems in the system, such as clogging of a dispensing outlet. A ground speed of the farm tractor which is transporting the system can he sensed in order to calculate the appropriate flow rate. A geographical location a farm machine in order to facilitate "prescription farming". The liquid may be injected and mixed with a carrier, and the mixing can be done in close proximity to an outlet orifice. The pressurized liquid can be fed back to the source of the liquid to agitate the liquid there to prevent settling or stratification.

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