Rotary feeder for pneumatic conveying line

Details Rotary feeder for pneumatic conveying line Rotary feeder for pneumatic conveying line

1978-02-23

1980-11-04

Scherbel, David A.

Dispensing

With discharge assistant

Movable or conveyer-type trap chamber

222368, 241222, G01F 1110

Patent

active

042314950

ABSTRACT:
A rotary air-lock feeder for a pneumatic conveying line includes the cylindrical housing with a straight bladed rotor mounted therein to propel materials from an upper inlet to a bottom discharge. The edges of the blades are positioned in close association with housing wall to prevent escape of air from the conveying line through feeder. A shear knife is mounted in housing with inner surface conforming to curvature of housing and a flat top surface intersecting inner surface to form a sharp cutting edge so as to shear material projecting beyond outer edge of rotor blades to prevent binding thereof between such outer edge and the housing wall.

REFERENCES:
patent: 1143634 (1915-06-01), Lane et al.
patent: 2858212 (1958-10-01), Durant et al.
patent: 3026828 (1962-03-01), Sabaitis
patent: 3052383 (1962-09-01), Transeau
patent: 3201007 (1965-08-01), Transeau
patent: 4076150 (1978-02-01), Didrickson

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