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, 2003
Filed:
Aug. 24, 2001
Applicant:
Inventors:
Xiluo Zhu, Ann Arbor, MI (US);
Randall R. Gaiser, Chelsea, MI (US);
Assignee:
Federal-Mogul World Wide, Inc., Southfield, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/04 ;
U.S. Cl.
CPC ...
F16J 1/04 ;
Abstract
A steel monobloc piston for diesel engines is formed with a relatively short piston skirt whose lower edge resides below the axis of the pin bores of the piston, but located at or above a lowest tangent point of the pin bores. The piston body preferably has a closed oil cooling gallery and the skirt is preferably joined at its upper end to an outer wall of the piston in which a plurality of ring grooves are formed.