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:
Apr. 01, 2025
Filed:
Mar. 20, 2023
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Mark R. Gurvich, Middletown, CT (US);
Ali Shakil, West Hartford, CT (US);
Viktor Kilchyk, Lancaster, NY (US);
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Abstract
A foil journal bearing, having: a shaft; a top foil surrounding the shaft in a circumferential direction; a corrugated bump foil surrounding the top foil in the circumferential direction, wherein the corrugated bump foil includes a plurality of adjacent corrugations that each include sidewalls that extend from a radial inner end to a radial outer end of the corrugated bump foil; and a bearing sleeve surrounding the corrugated bump foil, wherein: at least one of the sidewalls of at least one of the corrugations includes an undulation disposed between the outer and inner radial ends of the sidewall; and the undulation is defined by an undulation outer end and an undulation inner end.