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:
Aug. 12, 2025
Filed:
Apr. 12, 2023
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventor:
Paul R. Hanrahan, Sedona, AZ (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/06 (2006.01); F02C 7/18 (2006.01); F01D 5/08 (2006.01); F01D 25/12 (2006.01); F01D 25/18 (2006.01); F02C 7/16 (2006.01);
U.S. Cl.
CPC ...
F02C 7/06 (2013.01); F02C 7/18 (2013.01); F01D 5/081 (2013.01); F01D 5/087 (2013.01); F01D 25/12 (2013.01); F01D 25/125 (2013.01); F01D 25/18 (2013.01); F02C 7/16 (2013.01); F02C 7/185 (2013.01); F05D 2210/13 (2013.01); F05D 2260/20 (2013.01); F05D 2260/205 (2013.01); F05D 2260/232 (2013.01); F05D 2260/98 (2013.01);
Abstract
A bearing scavenge pump incorporated into a disk cover plate including a rotor disk having a rear surface and an axis; the disk cover plate attached to the rotor disk, the disk cover plate including fins extending into a gap formed between a rear surface of the rotor disk and the disk cover plate, the disk cover plate including anti-vortex features located axially distal from the fins relative to the axis; an inverted bearing located in a bearing compartment proximate the disk cover plate and disk; and a liquid fuel lubricant contacting the inverted bearing.