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, 2003
Filed:
Sep. 19, 2001
Applicant:
Inventors:
Randall R. Gaiser, Chelsea, MI (US);
Carmo Ribeiro, Ann Arbor, MI (US);
Eduardo H. Matsuo, Ann Arbor, MI (US);
Assignee:
Federal-Mogul World Wide, Inc., Southfield, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F01B 3/108 ;
U.S. Cl.
CPC ...
F01B 3/108 ;
Abstract
A piston for diesel engines includes a piston body having a closed oil gallery and a pair of pin bosses with axially aligned pin bores. The inner faces of the pin bosses are separated from one another by an intervening space between the pin bosses for receiving the upper end of a connecting rod, which has associated outer faces adjacent the inner faces of the pin bosses. Oil passages extend from the gallery and open to the inner faces of the pin bosses for providing direct lubrication to the inner faces.