Patent ID: 7823834

Claim:
A door for closing an opening inside an aircraft, said opening being closed by said door when said door is in a closed position, wherein said opening is between a first compartment inside said aircraft and a second compartment inside said aircraft, said door comprising: a frame; at least a first panel mechanically coupled to said frame, each panel including a front plate mounted on a front side of the door facing a front of the aircraft and a rear plate mounted parallel to said front plate and on a rear side of the door facing a rear of the aircraft; an air control device mounted between said front plate and said rear plate, and configured, in said closed position, to let air pass through the door in one direction from said first compartment inside said aircraft to said second compartment inside said aircraft, said air control device being further configured, in said closed position, to prevent air to pass in an opposite direction from said second compartment inside said aircraft to said first compartment inside said aircraft; and a latch mechanism configured to separately release said front and rear plates from said frame, said latch mechanism comprising a front portion configured to releasably hold said front plate and a rear portion configured to releasably hold said rear plate, wherein said front portion is configured to release said front plate separately from said rear plate being released by said rear portion such that said front plate and said rear plate move relative to each other upon being released from said frame.