Method and control system for batching plural substances and pum

Dispensing – Processes of dispensing

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Details

222255, 222309, 222334, 425146, B67D 508, B67D 552

Patent

active

040320405

ABSTRACT:
In a batcher plant at least one pair of reciprocable pressure cylinders are provided one of which as a first pressure cylinder is connected to a source of pressure medium while the other one as a further pressure cylinder is supplied with pressure medium in dependence on the number of strokes per minute of the first pressure cylinder. Both pressure cylinders drive delivery pumps. The total amount of delivered material is controlled by the speed and the number of cycles of the piston of the first pressure cylinder while the mutual proportions of delivered material are controlled by varying the length of stroke of the further pressure cylinder. Thus, on the one hand, mutual proportions of delivered substances can be finely adjusted within very wide limits and, on the other hand, the pressure cylinders of the various batcher units may be located in considerable distances from one another so that the plant is suitable to perform the most various functions.

REFERENCES:
patent: 2946488 (1960-07-01), Kraft
patent: 3571856 (1971-03-01), Voelker
patent: 3908862 (1975-09-01), Chandra et al.

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