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. 30, 2014
Filed:
May. 24, 2013
Applicant:
Rolls-royce Plc, London, GB;
Inventor:
Martyn Richards, Burton Trent, GB;
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/28 (2006.01); F02C 3/107 (2006.01); F16H 57/04 (2010.01); F01D 25/18 (2006.01); F02C 7/36 (2006.01); F01D 25/28 (2006.01); F16H 57/08 (2006.01);
U.S. Cl.
CPC ...
F16H 1/28 (2013.01); F02C 3/107 (2013.01); F16H 57/0486 (2013.01); F05D 2260/40311 (2013.01); F01D 25/18 (2013.01); F16H 57/082 (2013.01); F02C 7/36 (2013.01); F16H 57/0409 (2013.01); F01D 25/28 (2013.01); F16H 57/0427 (2013.01);
Abstract
An epicyclic gearbox oil scavenge arrangement. The epicyclic gearbox is of the planetary or differential type and comprises an input sun gear (); a plurality of planet gears () that mesh with the sun gear () and are driven therefrom; an annular planet carrier () that couples the planet gears () in known relative orientation and is configured to precess around the sun gear (); and a ring gear () that meshes with each planet gear (). The ring gear () comprises ejection apertures () that extend radially therethrough and the planet carrier () comprises at least one lobe () that extends radially from the periphery of the planet carrier.