Title: Apparatus for pneumatically withdrawing fine material from a silo container

Abstract: Apparatus for withdrawing fine material from a silo having a base sloped toward a discharge zone comprises a chamber within which an air feed nozzle registers with the lower end of a conveyor conduit which extends upwardly out of the silo. Fine material is admitted to the chamber via apertures and is entrained in air passing from the nozzle into the conduit.

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Inventors: Klein, Hans (Beckum, DT)
Balzau, Gerhard (Neubeckum, DT)
Laffargue, Jacquy-Pierre (Paris, FR)

Application Number: 511735
Filing Date: 1974-10-04
Publication_date: 1976-01-20
Assignee: Polysius AG (Neubeckum, DT)
Primary Class(es): 406/90 406/138, 406/141, 406/142
Other Classes:
US Patent Ref:

2675274	Apr, 1954	Engelhart	302/52.
2941842	Jun, 1960	Wishaw	302/52.
3206078	Sep, 1965	Leimegger	222/193.
3858763	Jan, 1975	Mack	302/52.

Other Refs:
Primary Examiner: Blunk, Evon C.
Assistant Examiner: Nase, Jeffrey V.
Attorney: Learman & McCulloch