Stirrer

Details Stirrer Stirrer

1990-03-12

1991-10-29

Trafton, David

Agitating

By vibration

By electrostrictive or magnetostrictive transducer

366273, 366274, 91DIG4, B01F 1308

Patent

active

050610791

ABSTRACT:
A stirrer for stirring a liquid in a container, which includes a stator; a rotor disposed in the container and provided with stirring vanes; and a cylindrical housing of nonmagnetic material having a peripheral wall thereof interposed between the stator and rotor and rotatably supporting the rotor through intervention of the liquid. This arrangement provides a stirrer of simple and compact construction, which can stir the liquid in a container completely in a closed state free of sliding portions of rotary components or shaft seal portions.

REFERENCES:
patent: 2912343 (1959-11-01), Collins et al.
patent: 3172645 (1965-03-01), Price
patent: 3452973 (1969-07-01), Kawawa et al.
patent: 3554497 (1971-01-01), Zipperer
patent: 3730488 (1973-05-01), Gardner, Jr.
patent: 3929320 (1975-12-01), Haller
patent: 3995835 (1976-12-01), Cichy et al.
patent: 4199265 (1980-04-01), Sanderson et al.
patent: 4209259 (1980-06-01), Rains et al.
patent: 4568195 (1986-02-01), Herz et al.
patent: 4691725 (1987-09-01), Parisi

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