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.

Date of Patent:
Nov. 14, 2023

Filed:

Aug. 20, 2021
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventor:

Bruno Martin, Saint-Jean-sur-Richelieu, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/16 (2006.01); F01D 25/18 (2006.01);
U.S. Cl.
CPC ...
F01D 25/166 (2013.01); F01D 25/18 (2013.01); F05D 2220/32 (2013.01); F05D 2240/54 (2013.01); F05D 2260/98 (2013.01);
Abstract

An apparatus is provided for a turbine engine. This turbine engine apparatus includes a journal bearing extending axially along and circumferentially about an axis. The journal bearing extends radially between a bearing inner side and a bearing outer side. The journal bearing includes a bore, a passage, a groove and a slot. The bore extends axially within the journal bearing and along the bearing inner side. The passage extends radially within the journal bearing and is fluidly coupled with the bore and the groove. The groove extends longitudinally within the journal bearing at the bearing outer side between a groove first end and a groove second end. At least a portion of the slot extends circumferentially about the axis within the journal bearing at the bearing outer side from the groove first end to the groove second end.


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