G - Physics – 01 – G
Patent
G - Physics
01
G
302/19, 265/4
G01G 13/04 (2006.01) B65G 53/66 (2006.01) G01G 13/02 (2006.01) G01G 13/10 (2006.01)
Patent
CA 1262369
ABSTRACT OF THE DISCLOSURE An apparatus for weighing bulk-material in the form of granules or dust, in which the bulk-material is delivered from a silo to a scale, through at least one conveyor pipeline, by means of a vacuum, the flow of material conveyed being re- duced, for the purpose of metering, towards the end of the conveying procedure, by increasing the proportion of air, and the apparatus being designed in such a manner as to make accurate metering possible with high conveying capacity. To this end, provision is made, according to the invention, for a second conveyor pipeline which runs to the scale, which is not connected to the silo, and to which a changeover from the first conveyor pipeline is made towards the end of the weighing operation, air being drawn, in laminar flow, into the second conveyor pipeline and a storage-tank being provided, the latter containing a small amount of the material being conveyed and being provided in its lower part, with a mech- anical conveyor adapted to be switched on by the scale towards the end of the weighing operation. The conveyor is in communi- cation with the end of the second conveyor pipeline remote from the scale and simultaneously introduces the material contained in the storage-tank into the second conveyor pipeline.
521405
von Bennigsen-Mackiewicz Andreas
von Bennigsen-Mackiewicz Christoph
Swabey Ogilvy Renault
von Bennigsen-Mackiewicz Andreas
von Bennigsen-Mackiewicz Christoph
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