The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 11, 2017
Filed:
Dec. 11, 2009
Ralf Brugger, Wangen i. A., DE;
Jörn Frick, Ravensburg, DE;
Jacques Herzog, Simmerberg, DE;
Dirk Metzler, Oberreute, DE;
Ralf Brugger, Wangen i. A., DE;
Jörn Frick, Ravensburg, DE;
Jacques Herzog, Simmerberg, DE;
Dirk Metzler, Oberreute, DE;
Liebherr-Aerospace Lindenberg GmbH, Lindenberg, DE;
Abstract
The present invention relates to an emergency power system for an aircraft having at least one fuel cell unit for producing electric power, wherein the fuel cell unit is cooled via at least one cooling circuit which includes at least one heat exchanger, and wherein the heat exchanger is connected to at least one air distribution system of the aircraft cabin so that exhaust air heated by the heat exchanger in the operation of the emergency power system can be distributed via the air distribution system in the aircraft cabin.