Patent ID: 6997005
Filing Date: 2006-02-14
Classification: F25B,F25D

Abstract:
1. A refrigeration system including a self contained refrigeration unit for mounting in a food storage cabinet or structure, comprising: a refrigeration unit including a housing containing evaporation tubing and cooling vanes; said housing being relatively thin and having a depth of not more than six inches; said housing having an air inlet at the bottom thereof, and a fan and an outlet toward the top of said housing for directing cold air from the refrigeration unit into the food storage structure; the refrigeration unit being structurally independent of and located wholly within the food storage structure; a separate compressor and condenser located outside of said food storage structure, and coupled to said refrigeration unit by conduits; an expansion valve located in said housing near said air inlet, for receiving cooled compressed refrigerant and supplying cold expanded refrigerant to said tubing for heat exchange utilizing said cooling vanes; and said fan and an associated electric motor forming a sub-unit, said sub-unit being readily removable from said housing as an integral sub-unit, wherein an additional fan is mounted as part of said sub-unit, for cooling said electric motor.