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:
May. 10, 2016
Filed:
Feb. 18, 2013
Applicant:
Federal-mogul Corporation, Southfield, MI (US);
Inventor:
Norbert G. Schneider, Ann Arbor, MI (US);
Assignee:
Federal-Mogul Corporation, Southfield, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/01 (2006.01); F16J 1/08 (2006.01); B21K 1/18 (2006.01); F02F 3/22 (2006.01); F02F 3/26 (2006.01); F02F 3/00 (2006.01);
U.S. Cl.
CPC ...
F16J 1/08 (2013.01); B21K 1/185 (2013.01); F02F 3/22 (2013.01); F02F 3/26 (2013.01); F02F 2003/0061 (2013.01); F02F 2200/04 (2013.01); F05C 2201/0448 (2013.01); Y10T 29/49249 (2015.01);
Abstract
A steel piston with an oil gallery, and process for forming a steel piston oil gallery channel, which corresponds to the complex shape of the combustion bowl in the piston crown. The oil gallery channel is first forged to the basic shape that corresponds to the shape of the walls of the combustion bowl. Machine-turning surfaces in the oil gallery channel can be machine-finished as desired. Surfaces in the oil gallery which cannot be machined with conventional turning operations, such as recesses and protrusions into the channel, are left in the original forged condition.