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:
Nov. 17, 2020
Filed:
Jul. 03, 2018
Applicant:
The Boeing Company, Chicago, IL (US);
Inventors:
Gary M. Lindahl, Newcastle, WA (US);
Mitchell L. R. Mellor, Bothell, WA (US);
Brian P. Salsbery, Everett, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B64C 25/50 (2006.01); F15B 11/16 (2006.01); F15B 13/02 (2006.01); F15B 13/06 (2006.01); F15B 15/14 (2006.01);
U.S. Cl.
CPC ...
B64C 25/50 (2013.01); F15B 11/16 (2013.01); F15B 13/027 (2013.01); F15B 13/06 (2013.01); F15B 15/1409 (2013.01); F15B 2211/30505 (2013.01); F15B 2211/329 (2013.01); F15B 2211/40507 (2013.01); F15B 2211/423 (2013.01); F15B 2211/6346 (2013.01); F15B 2211/665 (2013.01); F15B 2211/7053 (2013.01); F15B 2211/7056 (2013.01); F15B 2211/71 (2013.01);
Abstract
An example aircraft includes (i) a landing gear having a chassis, an axle, and wheels mounted to ends of the axle; (ii) a hydraulic actuator including a cylinder, a first piston coupled to the chassis, and a second piston coupled to the axle; and (iii) a directional control valve including: inlet ports configured to be fluidly coupled to a source of pressurized fluid, tank ports configured to be fluidly coupled to a tank, and workports configured to be fluidly coupled to the hydraulic actuator.