Method and apparatus for regulating the size and frequency of bu

Details Method and apparatus for regulating the size and frequency of bu Method and apparatus for regulating the size and frequency of bu

1977-12-15

1979-01-30

McCarthy, Edward J.

Agitating

By injecting gas into mixing chamber

366107, B01F 1302

Patent

active

041369700

ABSTRACT:
A few large, fast rising gas bubbles are generated near the bottom of a sample container and the upward movement of the bubbles causes a mixing action of the sample. The bubbles result from the periodic injection of discrete quantums of gas into the bottom of the container. The volume of a discrete gas quantum determines the size of a resulting bubble. Both the volume and frequency of generation of the quantums of gas are controlled by a timing circuit which operates a solenoid valve that permits each discrete quantum of gas to pass into the sample container.

REFERENCES:
patent: 3159383 (1964-12-01), Munster
patent: 3588053 (1971-06-01), Rothermel
patent: 3671018 (1972-06-01), McKibben

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