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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Cold fuel cooling of intercooler and aftercooler

Invented by: Alexander Nelson Brooks
Pasadena, CA

James Gallagher Daley
Ventura, CA

Bart Dean Hibbs
Simi Valley, CA

Originally Assigned to: AeroVironment Inc.
Monrovia, CA
[Now assigned to . . .]

Issued:2012-06-12
Filed:2009-09-23
Application No:12586631
Examined by:Ellis; Christopher P

A high-altitude aircraft powerplant including an engine, a two-stage turbocharger having an intercooler and an aftercooler, a cryogenic hydrogen fuel source, and a cooling system including a hydrogen heat exchanger. Aided by a ram-air cooler that cools a coolant to a near-ambient temperature, the heat exchanger is configured to heat the hydrogen using the coolant, and to cool the coolant to a temperature well below the ambient temperature during high-altitude flight. The intercooler and aftercooler use the sub-ambient temperature coolant, as does a separate sensor. The ram-air cooler includes a front portion and a rear portion. The cooling system includes three cooling loops which respectively incorporate only the front portion, only the rear portion, and both portions of the ram-air cooler.

[pdf] U.S. Pat. No. 8,196,862

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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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