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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Thrust recovery, or other valve, containing two independently actuated doors and control system

Invented by: Darrell Horner
Oro Valley, AZ

Originally Assigned to: Honeywell International Inc.
Morristown, NJ
[Now assigned to . . .]

Issued:2013-02-19
Filed:2009-01-29
Application No:12362366
Examined by:Keasel; Eric

A thrust recovery valve has two flaps, with each flap controlled independently via its own rotary actuator. Embodiments of the present invention also provide a cabin pressure control system that includes one or two thrust recovery valves and the controls architecture to efficiently operate the valves. On each thrust recovery valve, only one door can be operated during flight, making less effective area change per unit time (relative to the operating both doors at the same time), allowing higher resolution of valve control. Further, the valve doors can be made such that the primary door that is operated in flight is smaller than the other door (mostly only operated on the ground). Because the doors of the thrust recovery valve can be operated independently, the forward door of each valve can be rotated such that the door creates a ram air "scoop" to ingress air to prevent negative pressure from building up beyond a specified limit.

[pdf] U.S. Pat. No. 8,376,818

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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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