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:
Oct. 29, 2024
Filed:
Apr. 04, 2014
Applicant:
Federal-mogul Corporation, Southfield, MI (US);
Inventors:
Assignee:
Tenneco Inc., Lake Forest, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F 3/00 (2006.01); B22F 5/00 (2006.01); B22F 10/28 (2021.01);
U.S. Cl.
CPC ...
F02F 3/0084 (2013.01); B22F 5/008 (2013.01); B22F 10/28 (2021.01); F02F 2003/0007 (2013.01); F02F 2200/04 (2013.01); F02F 2200/06 (2013.01); Y02P 10/25 (2015.11); Y10T 29/49252 (2015.01); Y10T 29/49254 (2015.01);
Abstract
A monobloc piston body for an internal combustion engine is provided. The piston body includes a first piece which includes a pair of skirt portions and a pair of pin bosses and a second piece which includes a crown portion with an upper combustion surface and an at least partially enclosed oil gallery. The first and second pieces are joined together at a joint that is located on a side of the oil gallery opposite of the upper combustion surface. The first piece is made through casting or forging, and the second piece is made through an additive manufacturing process, such as direct metal laser sintering.