Patent ID: 8844315
Filing Date: 2014-09-30
Classification: A23L,B65G,F25D

Abstract:
1. A cryogenic freezer, comprising: a conveyor support system that comprises a plurality of conveyor rail supports spaced longitudinally and arranged in parallel, a plurality of upper conveyor support rails spaced latitudinally and arranged in parallel but perpendicular to the conveyor rail supports, and a plurality of lower conveyor support rails spaced latitudinally and arranged in parallel but perpendicular to the conveyor rail supports, wherein: an endless conveyor extending between and around a set of rollers and an endless conveyor drive operatively associated with and adapted and configured to drive the endless conveyor, an upper portion of the endless conveyor being supported by the upper conveyor support rails, a lower portion of the endless conveyor being supported by the lower conveyor support rails; a lower housing having first and second side walls, upper surfaces of the lower housing side walls optionally being provided with a gasket, either the upper surfaces of the lower housing side walls or the optional gaskets supporting the angled feet of the first and second legs of the conveyor rail supports, respectively, without the use of fasteners; an upper housing having first and second side walls aligned with the first and second side walls of the lower housing; and a liquid cryogen delivery system comprising liquefied gas piping connected to a liquefied gas injection manifold disposed above the endless conveyor in an interior of the upper housing, wherein: