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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Aircraft evacuation slide inflator having valve leakage trap and safety vent

Invented by: Kevin Myers
Phoenix, AZ

Richard B. Yori
Akron, OH

Peter Seabase
Cuyahoga Falls, OH

Christopher J. Bock
Phoenix, AZ

Originally Assigned to: Goodrich Corporation
Charlotte, NC
[Now assigned to . . .]

Issued:2007-10-30
Filed:2005-06-30
Application No:11170871
Examined by:Swiatek; Rob

An inflatable aircraft evacuation slide system includes a primary valve, a bust disk and a valve leakage trap operatively disposed between the primary valve and the burst disk. The valve leakage trap comprises a small exhaust vent opening into a flow restriction orifice in the gas path between the primary valve and the burst disk. In operation, when the aircraft emergency exit is opened in the armed condition, the primary valve opens and pressurizes the chamber until the burst disk ruptures allowing inflation gases to pass through the flow restriction orifice to inflate the inflatable evacuation slide. Because there is a substantial pressure drop across the flow restriction orifice, the presence of the valve leakage safety vent in the orifice does not result in significant loss of inflation gas needed for inflating the inflatable evacuation slide. In the event of leakage past the primary valve, however, the valve leakage trap safely vents the leakage pressure to the atmosphere.

[pdf] U.S. Pat. No. 7,287,727

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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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