Calibration of fluid delivery equipment

Details Calibration of fluid delivery equipment Calibration of fluid delivery equipment

1988-06-29

1989-12-26

Noland, Tom

Measuring and testing

Testing of apparatus

73 3, 73198, G01F 1300, G01F 2500

Patent

active

048890014

ABSTRACT:
The flow rate of a fluid, such as a herbicide, from delivery equipment is established by causing the fluid to flow into a calibration vessel (14), and measuring the volume which flows in a predetermined time. The vessel (14) is connected to a delivery head (8) of the equipment by an intermediate component (16). A tube (54) provides a passage for venting air from the vessel (14) as fluid flows into it. After a calibration measurement, the fluid can be returned to the equipment by inverting the equipment. The outgoing fluid is then replaced by air flowing back through the tube (54).

REFERENCES:
patent: 2767581 (1956-10-01), Moorehead
patent: 3657919 (1972-04-01), Brown
patent: 4073304 (1978-02-01), Lerner et al.
patent: 4184367 (1980-01-01), Jenney et al.
patent: 4324127 (1982-04-01), Gazzara et al.
patent: 4331262 (1982-05-01), Snyder et al.
patent: 4723437 (1988-02-01), McKenzie

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