G - Physics – 05 – D
Patent
G - Physics
05
D
100/42, 341/34.4
G05D 15/01 (2006.01) B30B 9/30 (2006.01)
Patent
CA 1090445
ABSTRACT A method for automatically controlling the restrictors in a ram-tube type refuse compacter or pelletizer. Variable restrictors near the discharge end of the tube control the compaction pressure exerted on the refuse as it is forced through the tube. The restrictors are capable of being moved inward and outward on each ram stroke in response to changes in the ram pressure required to advance the compacted refuse through the tube. The method comprises: (1) measuring the ram pressure during the last smallest practicable increment of forward ram travel, (2) adjusting the restrictors slightly inward if the pressure measured in step (1) is less than a predetermined pressure P1, (3) measuring the ram pressure when the ram is at the lock-out point, normally about 6' from the forward end of its stroke. (4) overriding step (2) by making no inward restrictor adjustment if the pressure measured in step (3) is less than a predetermined pressure P3, (5) measuring the ram pressure during at least the last smallest increment of forward ram, and (6) adjusting the restrictors slightly outward if the pressure measured in step (5) is greater than a predetermined pressure P2.
279155
Hopley William G.
Union Carbide Corporation
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