The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 1996
Filed:
Jun. 05, 1995
Ju-Chia Kuo, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A food freezing conveyor system includes a conveying apparatus consisting of multiple tiers of conveyors, a lower horizontal conveying mechanism, a lifting conveying mechanism, an upper horizontal conveying mechanism and a dropping conveying mechanism. Food products to be frozen are transported along an inverted-U shaped path within a freezing chamber. The lifting conveying mechanism and the dropping conveying mechanism are respectively provided with multiple tiers of choke plates on both sides. Each tier of choke plates and each tier of conveyors jointly define a plurality of inter-connected airflow passages, dividing a freezing operation zone and a manhole maintenance space. Two sets of evaporators and fan devices disposed diagonally on opposite sides of the freezing chamber generate a freezing air flow of a suitable temperature, which is induced into the airflow passages to flow past an upper freezing zone and a lower freezing zone to complete a circulation cycle, in which the freezing air speed in the upper freezing zone is greater than that in the lower freezing zone.