Tube type vortex ring mixers

Details Tube type vortex ring mixers Tube type vortex ring mixers

1990-03-19

1991-10-01

Jenkins, Robert W.

Agitating

Method

366101, 366267, 366275, 366349, B01F 1302

Patent

active

050528130

ABSTRACT:
A method and apparatus is disclosed for mixing or agitating fluids using vortex rings in which a tube of inside diameter d is inserted into the fluid with an open end in the fluid. Fluid is drawn into the tube, and a slug of fluid is propelled a distance L down and out of the tube to create a vortex ring at the exit of the tube for propagation through the fluid. The ratio of L/d is between 0.8 and 3.8. The propelling means preferably involves a pulser cylinder communicating with the tube and a piston positioned in the pulser cylinder for reciprocating motion towards and away from the fluid to be mixed or agitated, or a bellows serving a similar function. The propelling means provides a generally square wave pressure impulse to the fluid to eject it from the tube in the form of a vortex ring.

REFERENCES:
patent: 694210 (1902-02-01), Soellner
patent: 1588693 (1926-06-01), Blum
patent: 2615692 (1952-10-01), Muller
patent: 2935840 (1960-05-01), Schoppe
patent: 3398935 (1968-08-01), Livesey
patent: 3712591 (1973-01-01), Booth
patent: 4008884 (1977-02-01), Fitzpatrick
patent: 4044079 (1977-08-01), Tveit
patent: 4449827 (1984-05-01), Karkiewicz
patent: 4452634 (1984-06-01), Oguchi

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