Feed return impeller

Details Feed return impeller Feed return impeller

1978-01-23

1979-04-17

Swiatek, Robert P.

Dispensing

With discharge assistant

With bypass or return to supply

119 51CF, 119 52R, G01F 1100, A01K 502

Patent

active

041496590

ABSTRACT:
A closed loop feed trough having a feed chain moveable lengthwise therein to distribute feed from a hopper associated with the trough provided with an impeller which rotates in response to movement of the chain to assist in returning uneaten feed to the hopper. The impeller is mounted in the hopper adjacent its inlet and is fabricated in two halves which are fastened to opposite sides of a drive sprocket which engages the feed chain. Each half of the impeller has a hub and a series of vanes extending outwardly and rearwardly at spaced intervals from the hub to provide a series of buckets between the vanes. A baffle overlies the impeller to shield the buckets from feed in the hopper as they rotate downwardly toward the inlet while affording unloading of feed from between the vanes as they rotate upwardly away from the feed chain.

REFERENCES:
patent: 541614 (1895-06-01), Hunt et al.
patent: 2589690 (1952-03-01), Graetz
patent: 3236365 (1966-02-01), Erisman
patent: 3272400 (1966-09-01), Van Huis
patent: 3292586 (1966-12-01), Rigterink
patent: 3650158 (1972-03-01), Van Huis
patent: 3731852 (1973-05-01), Van Huis

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