Horticulture spraying systems

Pumps – With signal – indicator – or inspection means

Patent

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Details

417313, F04B 2100

Patent

active

039679209

ABSTRACT:
This horticulture system mixes and meters two liquids in precise and determinable quantities and provides for appropriate control of the liquid flow. A water tank and a chemical tank are respectively coupled by constant volume pumping means to a mixing and discharge nozzle means. The pumps are driven by a common motor to obtain a predetermined flow ratio. A pressure responsive bypass valve means is connected between the output side of the pumps and the respective tanks to provide an automatic bypass of the respective liquids to their respective tanks in response to the opening and closing of the discharge nozzle. The bypass function of the bypass valve is controlled by pressure generated in the system. Bell means are provided to respond to the presence of flowing chemicals in the chemical output line to indicate that a metered volume or flow of chemicals is occurring and to provide an indication of the relative flow volume. The bypass valve includes an improved pressure responsive system which is adjustable for differing line pressure conditions.

REFERENCES:
patent: 2078486 (1937-04-01), Eastman

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