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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.:

US 12571468 B1

PDFFull Text
Date of Patent:
Mar. 10, 2026

Filed:

May. 30, 2025

Gearbox assembly with lubricant extraction volume ratio

Applicants:

General Electric Company, Evendale, OH (US);

GE Avio S.r.l., Rivalta di Torino, IT;

Inventors:

Bugra H. Ertas, Niskayuna, NY (US);

Xiaohua Zhang, Glenville, NY (US);

Miriam Manzoni, Rivalta di Torino, IT;

Flavia Turi, Bari, IT;

Andrea Piazza, Turin, IT;

Arthur W. Sibbach, Boxford, MA (US);

Brandon W. Miller, Middletown, OH (US);

Assignees:

GENERAL ELECTRIC COMPANY, Evendale, OH (US);

GE AVIO S.R.L., Rivalta di Torino, IT;

Attorneys:

Venable LLP

Peter T. Hrubiec

Michele V. Frank

Primary Examiner:

Michael A Riegelman

Int. Cl.
CPC ...
F16H 57/04 (2010.01); F01D 15/12 (2006.01); F01D 25/20 (2006.01);
U.S. Cl.
CPC ...
F16H 57/045 (2013.01); F01D 15/12 (2013.01); F01D 25/20 (2013.01); F16H 57/0408 (2013.01); F16H 57/0421 (2013.01); F16H 57/0427 (2013.01); F16H 57/0435 (2013.01); F16H 57/0436 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/98 (2013.01); F16H 57/0486 (2013.01);
Abstract

A gearbox assembly includes a gearbox having a gear assembly and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, inclusive of the endpoints. The lubricant extraction volume ratio is defined by

Find Patent Forward Citations

Ertas, Bugra. (2026). Gearbox assembly with lubricant extraction volume ratio (U.S. Patent No. 12571468). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12571468

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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