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.

Date of Patent:
Jan. 15, 2019

Filed:

Jun. 15, 2016
Applicants:

Airbus Operations, S.l., Getafe (Madrid), ES;

Airbus Operations S.a.s., Getafe (Madrid), ES;

Airbus Operations Ltd., Filton (Bristol), GB;

Inventors:

Ramon Abarca Lopez, Getafe, ES;

Marcus Barth, Getafe, ES;

Norman Wood, Filton, GB;

Assignees:

AIRBUS OPERATIONS, S.L., Getafe (Madrid), ES;

AIRBUS OPERATIONS S.A.S., Getafe (Madrid), ES;

AIRBUS OPERATIONS LTD., Filton (Bristol), GB;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B64C 25/18 (2006.01); B64C 25/30 (2006.01); B64C 25/04 (2006.01); B64C 25/16 (2006.01); B64C 25/00 (2006.01);
U.S. Cl.
CPC ...
B64C 25/18 (2013.01); B64C 25/00 (2013.01); B64C 25/04 (2013.01); B64C 25/16 (2013.01); B64C 25/30 (2013.01); B64C 2025/003 (2013.01);
Abstract

The present disclosure refers to a method for operating a landing gear system, preferably in a tricycle configuration, wherein main landing gear (MLG) and the nose landing gear (NLG) are operable from a retracted position where they are housed respectively inside landing gear bays, to a fully extended position where they are extended for landing the aircraft. According to the disclosure, the extension of the nose landing gear (NLG) is delayed in time with respect to the extension of the main landing gear (MLG), and the nose landing gear (NLG) is kept retracted during a major part of the time that the main landing gear doors (MLGD) are extended. In this manner, vibrations on the main landing gear doors are reduced and incidents caused by fatigue are also reduced, which in turn implies that the maintenance cost of the aircraft is greatly reduced.


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