Fluid additive injector

Details Fluid additive injector Fluid additive injector

1988-09-15

1989-07-11

Cohan, Alan

Fluid handling

With holder for solid, flaky or pulverized material to be...

1378055, 137199, 422261, B01F 312

Patent

active

048462144

ABSTRACT:
A system which combines an additive storage vessel and mixing section containing pressure and suction taps off of a main transfer tube. This allows controlled blending of additive into a fluid stream without external energy or controls. The tank is shaped to allow a stratified layer of fluid to slowly displace the additive. Displacement energy is supplied by a positive pressure tap facing into the flow converting dynamic pressure of fluid flow into increased static pressure and a reduced pressure tap created by facing with the stream flow. Trickle tubes connect the taps to opposite ends of the additive charge, which is slowly pushed and pulled into the fluid stream. Rate of additive supply can be controlled by restrictors, tap orientation or tank orientation. An air relief valve is provided to allow escape of non-pressurized air from tank.

REFERENCES:
patent: 846100 (1907-03-01), Estep
patent: 1079721 (1913-11-01), Pungs
patent: 1082141 (1913-12-01), Sites
patent: 2544476 (1951-03-01), Venning
patent: 2881781 (1959-04-01), Tavernese
patent: 2908282 (1959-10-01), Maisch
patent: 3194444 (1965-07-01), Hubert
patent: 3941211 (1976-03-01), Grutter
patent: 3943960 (1976-03-01), Syrenne
patent: 4333493 (1982-06-01), Beiswenger

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