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:
Dec. 01, 2020
Filed:
Nov. 21, 2019
Applicant:
Safran Landing Systems, Velizy Villacoublay, FR;
Inventors:
David Frank, Moissy-Cramayel, FR;
Jean-Luc Belleval, Moissy-Cramayel, FR;
Assignee:
SAFRAN LANDING SYSTEMS, Velizy Villacoublay, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 20/00 (2006.01); F15B 13/06 (2006.01);
U.S. Cl.
CPC ...
F15B 20/004 (2013.01); F15B 13/06 (2013.01); F15B 2211/30595 (2013.01);
Abstract
The invention relates to a hydraulic circuit for operating an aircraft landing gear comprising: According to the invention, the depressurization valve is returned () in a stable manner to the depressurization position, and is moved into the open position only in response to the presence of supply pressure downstream of the general valve.