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. 21, 2020
Filed:
Jan. 23, 2014
Microturbo, Toulouse, FR;
Jean-Francois Rideau, Tournefeuille, FR;
Fabien Silet, Pechbonnieu, FR;
SAFRAN POWER UNITS, Toulouse, FR;
Abstract
The invention concerns a structure () for feeding air to an auxiliary power unit () of an aircraft () comprising a pressurized cabin () and an auxiliary power unit (), the structure comprising: a pipe () for feeding air to the auxiliary power unit; a unit () for controlling the airflow fed to the auxiliary power unit; and a valve () for the intake of air outside the aircraft, disposed at the inlet of the feed pipe (), the opening of the valve being driven by the control unit (). The structure is characterized in that it further comprises a circuit () for injecting air from the pressurized cabin into the auxiliary power unit feed pipe. The invention also concerns a method for feeding air to an auxiliary power unit.