Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1987-12-29
1989-04-25
Nilson, Robert G.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137264, 239 61, 239200, 239310, F16K 1900
Patent
active
048238295
ABSTRACT:
A device for regulating and metering liquid fertilizer in an inner container that is housed within an outer shell or inner tank housing. Each of these containers or tanks have a common upper surface or wall that is essentially at ground level and has accessed, through a threaded cap, into the interior of the inner tank that holds a quantity of liquid, nitrogen based fertilizer. The outer shell or inner tank housing a means for entry of water, essentially on one side thereof and exit of water on the other. As water enters the pressure of the flow forces a switching mechanism to actuate, and that opens a valve on the bottom of the inner tank. Liquid fertilizer is displaced into the flow of water through the device by venturi action, and the fertilizer and water are mixed.
REFERENCES:
patent: 1937582 (1933-12-01), Murray
patent: 1937893 (1933-12-01), Hutton
patent: 2062704 (1936-12-01), Forsyth
patent: 4075928 (1978-02-01), Bitonti
Litman Richard C.
Nilson Robert G.
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