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:
Dec. 27, 2022
Filed:
Oct. 14, 2021
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Christopher L. Batta, West Lafayette, IN (US);
Aaron S. Ness, Battle Ground, IN (US);
Zachary T. Jacobs, Washington, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 1/00 (2006.01); B24B 33/02 (2006.01); F16J 10/04 (2006.01);
U.S. Cl.
CPC ...
F02F 1/004 (2013.01); B24B 33/02 (2013.01); F16J 10/04 (2013.01); F02F 2200/00 (2013.01);
Abstract
Systems and methods for forming a plurality of valleys on an inner circumferential surface of a cylinder liner for uniform oil film thickness are disclosed. In one aspect, an internal combustion engine includes a piston; and a cylinder liner surrounding the piston, wherein the cylinder liner has a plurality of valleys on an inner circumferential surface of the cylinder liner, and wherein the plurality of valleys are formed to a frequency of 7 to 14 valleys per millimeter (mm) having a depth of at least 1 micrometer (μm).