Fan motor safety feature for grain drying system

Details Fan motor safety feature for grain drying system Fan motor safety feature for grain drying system

1975-09-29

1976-09-14

Sprague, Kenneth W.

Drying and gas or vapor contact with solids

Apparatus

Solar

55311, 126270, F26B 1900

Patent

active

039798380

ABSTRACT:
A crop-drying system utilizing a conventional crop or grain confining bin having means for delivering drying air to the grain retained within the bin. A solar pre-heat chamber is utilized to deliver pre-heated air to the impeller, with the solar pre-heat chamber comprising an elongated tubular structure having bottom, side and top walls, and wherein the bottom wall is an opaque, highly absorbent flexible film, with the side and top walls being transparent, highly transmissive flexible films. The pre-heat chamber is coupled to an air inlet chamber, with normally closed vents being provided for responding to a clogged condition to the normal inlet port of the inlet chamber.

REFERENCES:
patent: 1195983 (1916-08-01), Farmer
patent: 1853496 (1932-04-01), Blair
patent: 1994766 (1935-03-01), Heglar
patent: 3908631 (1975-09-01), Rom
patent: 3919784 (1975-11-01), Tonn

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