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:
Jun. 01, 2010
Filed:
Mar. 14, 2005
Applicants:
Miguel Azevedo, Ann Arbor, MI (US);
Eric Highum, Howell, MI (US);
Inventors:
Miguel Azevedo, Ann Arbor, MI (US);
Eric Highum, Howell, MI (US);
Assignee:
Federal-Mogul World Wide, Inc., Southfield, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diesel engine is fitted with a thin-walled wet liner fabricated of steel. The liner has a hardness that is within 10-20 Rc of the hardness of the piston rings carried on a piston within the liner. The inner surface of the liner is manufactured with a TRD=5Rvk (100−M2) of between 30 and 400 μm, and a compound liner thickness to bore diameter in the range of 1.5 to 4 percent.