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:
Oct. 05, 2021
Filed:
Mar. 10, 2020
Airbus Sas, Blagnac, FR;
Airbus Operations Sas, Toulouse, FR;
Airbus Operations, S.l., Getafe, FR;
Bruno Medda, Tournefeuille, FR;
Esteban Martino-Gonzalez, Aranjuez, ES;
Thomas Stevens, Tournefeuille, FR;
Julien Cayssials, Gagnac sur Garonne, FR;
Juan Tomas Prieto Padilla, Madrid, ES;
Adeline Soulie, Verdun sur Garonne, FR;
Didier Poirier, Blagnac, FR;
Pierre-Alain Pinault, Tournefeuille, FR;
Diego Barron Vega, Madrid, ES;
Abstract
An aircraft propulsion system, including a turbojet and a heat exchanger system which includes a main heat exchanger, a hot air supply pipe, a transfer pipe transferring hot air to an air management system, a main supply pipe supplying cold air from the fan duct, an evacuation pipe expelling air to the outside, a sub heat exchanger with a high pressure pipe going therethrough, a sub supply pipe supplying cold air and including a sub regulating valve, a sub evacuation pipe expelling air, a temperature sensor, and a controller controlling the system according to the temperature measured The sub regulating valve comprises a door articulated between closed and open positions, a return spring constraining the door in the open position, and a realizing system, controlled by the controller, mobile between a blocking position and a realizing position in which the door is released to move to the open position.