Sandmill

Details Sandmill Sandmill

1974-12-04

1976-06-01

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 4615, 241153, B02C 1702

Patent

active

039603318

ABSTRACT:
Three sandmill processing vessels are mounted on a central supporting column. The rotors in the sandmill vessels are separately driven by hydraulic motors mounted on the upper portion of the central column. Separate pumps driven by hydraulic motors are mounted below the vessels for pumping the material to be processed through the vessels. An electric motor for driving the hydraulic motors may be remotely positioned to eliminate explosion hazards from electrical sparks. Indicator lights included in safety control circuitry for the electric motor are energized to indicate the malfunction if the motor is automatically deenergized.

REFERENCES:
patent: 1813086 (1931-07-01), Sahmel
patent: 1937788 (1933-12-01), Ross
patent: 3423032 (1969-01-01), Eckert
patent: 3653702 (1972-04-01), Frimberger
patent: 3720379 (1973-03-01), Szeguari
patent: 3770214 (1973-11-01), Gabor

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