Methods and apparatus for refrigerating products

Details Methods and apparatus for refrigerating products Methods and apparatus for refrigerating products

1983-01-25

1984-11-13

Capossela, Ronald C.

Refrigeration

Processes

Treating an article

34225, 34 3, 62374, 62380, 198952, F25D 1306

Patent

active

044817827

ABSTRACT:
A tunnel refrigeration device includes frame members mounted substantially adjacent to an endless conveyor belt which is utilized to pass products to be refrigerated through the tunnel. The frame members are provided with apertures therein and fan means are mounted in one or more of the apertures so as to pass the tunnel atmosphere into the space between the upper and lower runs of the conveyor belt. Apertures are juxtaposed with each frame mounted fan to enable the tunnel atmosphere passed into this space to be removed therefrom and recirculated upwardly in the tunnel by means of the top mounted fans. Refrigeration is provided to the underside of products on the conveyor belt and the effective capacity of the tunnel may be increased by increasing the capacity of the top mounted fans. The flow of tunnel atmosphere in the space between runs of the conveyor belt substantially precludes the increased downflow of tunnel atmosphere generated by the top mounted fans from rebounding from the tunnel bottom and lifting the products being refrigerated off the conveyor belt.

REFERENCES:
patent: 3708995 (1973-01-01), Berg
patent: 3841109 (1974-10-01), Cann

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