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:
Jun. 25, 2013
Filed:
Jan. 30, 2009
Guido Klewer, Hamburg, DE;
Guido Klewer, Hamburg, DE;
Airbus Operations GmbH, Hamburg, DE;
Abstract
An aircraft air-conditioning unit () includes a compressor () and a motor () driving the compressor (). A fuel cell system () is connected directly to a control unit () for controlling the motor () driving the compressor (), wherein the control unit () is adapted to convert electrical energy directly generated by the fuel cell system () into corresponding electrical control signals for controlling the motor () driving the compressor (). In a method for operating an aircraft air-conditioning unit (), which includes a compressor () and a motor () driving the compressor (), a control unit () for controlling the motor () driving the compressor (), which is directly connected to a fuel cell system (), converts electrical energy directly generated by the fuel cell system () into corresponding electrical control signals for controlling the motor () driving the compressor ().