Miniature vortex generating apparatus

Details Miniature vortex generating apparatus Miniature vortex generating apparatus

1987-09-16

1989-05-23

Mancene, Gene

Card, picture, or sign exhibiting

Display device with gas or liquid movement

40427, 40538, G09F 1900

Patent

active

048317578

ABSTRACT:
A toy apparatus for generating a captive vortex comprises an upright transparent cylindrical enclosure filled with a selected quantity of a liquid and gas. A vane, sleeve and disk assembly coaxially mounted on a motor drive shaft, extending axially into the enclosure through its lid, is angularly rotated by the motor in response to manually operated electrical controls connecting a source of electrical energy with the motor.

REFERENCES:
patent: 2315018 (1943-03-01), Lawrence
patent: 3299226 (1967-01-01), Edwards
patent: 3589044 (1971-06-01), Morrison
patent: 3589603 (1971-06-01), Fohl
patent: 3940060 (1976-02-01), Viets
patent: 3972512 (1976-08-01), Grise et al.
patent: 4258912 (1981-03-01), Reighart
patent: 4265402 (1981-05-01), Tsai
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