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. 08, 2005
Filed:
Sep. 24, 2002
Applicants:
Randall R. Gaiser, Chelsea, MI (US);
Xiluo Zhu, Ann Arbor, MI (US);
Roberto Bueno Nigro, Ann Arbor, MI (US);
Inventors:
Randall R. Gaiser, Chelsea, MI (US);
Xiluo Zhu, Ann Arbor, MI (US);
Roberto Bueno Nigro, Ann Arbor, MI (US);
Assignee:
Federal-Mogul World Wide, Inc., Southfield, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B031/08 ;
U.S. Cl.
CPC ...
Abstract
A monobloc piston has at least two steel parts welded together to define an inner cooling gallery. An outer ring belt is spaced from an inner annular support wall and is joined by a combustion bowl and a lower wall. A pair of pin bosses have axially aligned pin bores. A skirt is formed as one immovable piece with the pin bores. The piston has the following dimensional relationships: