Patent ID: 6874331

Claim:
An apparatus for creating an air curtain for a cooler having a refrigerated compartment, the apparatus comprising: a) at least one air moving device drawing air in from the refrigerated compartment and emitting said air; b) at least one motor powering the air moving device; c) a control system including a sensor detecting whether a door of the cooler is open, the control system providing power to operate the motor when the sensor detects that the door of the cooler is open; and d) one or more air discharge nozzles directing air emitted by the at least one air moving device to create a curtain of air that flows horizontally only across a bottom portion of a doorway of the cooler normally closed by said door, wherein said bottom portion comprises about ¾ or less of the height of the doorway of the cooler, the one or more nozzles being configured to be mounted adjacent to a doorway of the cooler such that air is discharged at an angle of at least 5° in relation to a plane of the doorway.