A ram air duct flap arrangement (22) comprises at least one ram air duct flap (24, 26) which is designed to close, in a closed position, a ram air inlet (14) or a ram air outlet (18) of a ram air duct (10) and, at least partly open, in an open position, the ram air inlet (14) or the ram air outlet (18) of the ram air duct (10). Furthermore, the ram air duct flap arrangement (22) comprises an actuator (32) for actuating the ram air duct flap (24, 26) between its closed position and its open position. A pressure control device (42) is designed to control a pressure (p.sub.i), which, when the ram air duct flap arrangement (22) is mounted in an aircraft, acts on an inner surface (44) of the ram air duct flap (24, 26) facing an interior of the aircraft, in such a way that it corresponds substantially to a pressure (p.sub.a) which, when the ram air duct flap arrangement (22) is mounted in an aircraft, acts on an outer surface (38) of the ram air duct flap (24, 26) facing the external environment.
This information is part of a study by Oasis Global, Inc. of all space inventions filed at the United States Patent and Trademark Office, and is provided for informational purposes only. It is not an endorsement of any particular assignee, inventor or invention. Although Peter A. Koziol represents inventors and assignees of space inventions he does not represent all of the inventors and assignees listed. The prosecuting attorney agent or firm for each patent is identified by the United States Patent and Trademark Office in the patent specfication, which can be viewed by clicking on the patent image or downloading the patent document. For more information regarding Mr. Koziol's background and experience, or to learn more about space inventions, please contact Mr. Koziol.
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