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:
Mar. 04, 2025
Filed:
May. 31, 2023
Trane International Inc., Davidson, NC (US);
Michael T. Siegersma, West Salem, WI (US);
Daniel A. Strange, La Crosse, WI (US);
Russell T. Abbott, Caledonia, MN (US);
Todd W. Smith, Onalaska, WI (US);
Elyse M. Sorenson, Stoddard, WI (US);
Morgan Elizabeth Herried Leehey, La Crosse, WI (US);
Curtis E. Everson, La Crosse, WI (US);
Mohammad Akram, Rosemount, MN (US);
TRANE INTERNATIONAL INC., Davidson, NC (US);
Abstract
A compressor including a housing, a shaft configured to be rotated relative to the housing to compress a refrigerant, a motor configured to drive the shaft, a lubrication system configured to supply lubricant to the compressor, and a bearing configured to support the shaft. The shaft includes a wear-resistant sleeve-like treatment on at least a portion of an outer surface of the shaft adjacent the bearing. The lubricant is POE oil or a lubricant blend composition that includes two or more lubricants, the two or more lubricants including a first lubricant and a second lubricant.