Rotary feeder for flowable materials

Details Rotary feeder for flowable materials Rotary feeder for flowable materials

1993-05-05

1995-02-28

Shaver, Kevin P.

Dispensing

With discharge assistant

Movable or conveyer-type trap chamber

277 59, 277165, 414219, B65G 2902, B65G 6548, G01F 1124

Patent

active

053929640

ABSTRACT:
A rotary feeder wherein a housing defines a cylindrical internal chamber with an inlet for a flowable material and an outlet spaced from the inlet in the circumferential direction of the chamber. The chamber receives a rotor with a shaft having stubs journalled in pairs of adjustable antifriction bearings in the housing, two spaced-apart end walls on the shaft in the chamber, and a set of vanes extending from the shaft radially outwardly between the two end walls. The internal surface of the housing has a radial groove surrounding the peripheral surface of each end wall, an elastomeric seat in the bottom portion of each groove, and an annular seal disposed in each groove radially inwardly of the seat and biased by the seat against the peripheral surface of the adjacent end wall. The seats are in sealing engagement with the surfaces bounding the respective grooves as well as in sealing engagement with the respective seals which are biased into requisite sealing engagement with the adjacent end walls.

REFERENCES:
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patent: 4565305 (1986-01-01), Fischer et al.
patent: 4946078 (1990-08-01), Heep et al.
patent: 5201441 (1993-04-01), Hoppe et al.

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