Title: Pneumatic conveying apparatus for reloading bulk materials

Abstract: A pneumatic conveying apparatus for reloading bulk materials, comprising a suction line formed by a vacuum pump connected to a settling chamber, and to an intaking nozzle, a discharge mechanism connected to the settling chamber, an electrically driven nozzle-transfer mechanism, and an electric drive controlling device. The electric drive controlling device constitutes a vacuum sensitive element connected into the suction line, while the electric drive of the nozzle-transfer mechanism being of a variable type, is supplied with a master switch, having its input mechanically linked to the output of the vacuum sensitive element.

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Inventors: Shapunov, Max M.
Koppel, Mikhail A.
Frumkin, Felix M.
Zvenigorodsky, Evgeny I.

Application Number: 880063
Filing Date: 1978-02-22
Publication_date: 1980-09-09
Assignee:
Primary Class(es): 406/30 406/115
Other Classes:
US Patent Ref:

2880036	Mar, 1959	Larsson et al.	302/58.
3690731	Sep, 1972	Mylting	302/42.
3953077	Apr, 1976	Kulyabko et al.	302/58.

Other Refs: 211385

Apr, 1968	SU

Primary Examiner: Nase, Jeffrey V.
Assistant Examiner:
Attorney: Fleit & Jacobson