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:
May. 14, 2024

Filed:

Nov. 10, 2020
Applicants:

Safran Landing Systems Uk Ltd, Gloucester, GB;

Safran Landing Systems, Vélizy-Villacoublay, FR;

Inventors:

Antoine Guidoux, Gloucester, GB;

Jon Smith, Gloucester, GB;

Jean-Yves Ravel, Vélizy-Villacoublay, FR;

Yann Simmonneaux, Gloucester, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 25/60 (2006.01); B64D 45/00 (2006.01); B64F 5/60 (2017.01);
U.S. Cl.
CPC ...
B64C 25/60 (2013.01); B64D 45/00 (2013.01); B64F 5/60 (2017.01); B64D 2045/008 (2013.01); B64D 2045/0085 (2013.01);
Abstract

A method of monitoring the condition of an aircraft landing gear shock absorber, the shock absorber including at least one spring chamber containing a gas, the method comprising taking a plurality of measurements of the gas pressure and temperature, each gas pressure and temperature measurement pair being taken of at the same instant relative to an operating cycle of the shock absorber; calculating, based on each pair of gas pressure and temperature measurements, a first value; storing the first value in a log; determining a value trend based on the log; and in response to determining that the value trend is outside a first range of values, generating a first notification signal.


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