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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.:

US 10443537 B1

PDFFull Text
Date of Patent:
Oct. 15, 2019

Filed:

Dec. 23, 2016

Piston including a composite layer applied to a metal substrate

Applicant:

Federal-mogul Corporation, Southfield, MI (US);

Inventors:

Warran Boyd Lineton, Chelsea, MI (US);

Ross Allen Evers, Tecumseh, MI (US);

Greg Salenbien, Britton, MI (US);

Assignee:

Tenneco Inc., Lake Forest, IL (US);

Attorneys:

Robert L. Stearns

Dickinson Wright, PLLC

Primary Examiner:

F Daniel Lopez

Assistant Examiner:

Matthew Wiblin

Int. Cl.
CPC ...
F02F 3/14 (2006.01); B29C 43/18 (2006.01); B29C 43/52 (2006.01); F02F 3/26 (2006.01); B32B 5/00 (2006.01); B32B 27/00 (2006.01); F02F 3/00 (2006.01); F02B 77/02 (2006.01); F04B 39/00 (2006.01); F04B 53/14 (2006.01); F02F 3/12 (2006.01); B32B 9/04 (2006.01); B32B 5/02 (2006.01); B32B 5/16 (2006.01); B32B 7/04 (2019.01); B32B 9/00 (2006.01); B32B 15/098 (2006.01); B32B 15/14 (2006.01); B32B 15/16 (2006.01); B32B 15/18 (2006.01); B32B 15/20 (2006.01); B32B 27/06 (2006.01); B32B 27/42 (2006.01); B32B 3/06 (2006.01); B32B 7/05 (2019.01); B29K 45/00 (2006.01); B29K 105/12 (2006.01); B29K 279/00 (2006.01); B29K 307/04 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
F02F 3/14 (2013.01); B29C 43/18 (2013.01); B29C 43/52 (2013.01); B32B 3/06 (2013.01); B32B 5/00 (2013.01); B32B 5/02 (2013.01); B32B 5/16 (2013.01); B32B 7/04 (2013.01); B32B 7/05 (2019.01); B32B 9/005 (2013.01); B32B 9/041 (2013.01); B32B 9/045 (2013.01); B32B 9/047 (2013.01); B32B 9/048 (2013.01); B32B 15/098 (2013.01); B32B 15/14 (2013.01); B32B 15/16 (2013.01); B32B 15/18 (2013.01); B32B 15/20 (2013.01); B32B 27/00 (2013.01); B32B 27/06 (2013.01); B32B 27/42 (2013.01); F02B 77/02 (2013.01); F02F 3/0084 (2013.01); F02F 3/12 (2013.01); F02F 3/26 (2013.01); F04B 39/0005 (2013.01); F04B 53/14 (2013.01); B29K 2045/00 (2013.01); B29K 2105/12 (2013.01); B29K 2279/00 (2013.01); B29K 2307/04 (2013.01); B29L 2031/7494 (2013.01); B32B 2260/021 (2013.01); B32B 2260/025 (2013.01); B32B 2260/046 (2013.01); B32B 2262/0269 (2013.01); B32B 2262/105 (2013.01); B32B 2262/106 (2013.01); B32B 2262/14 (2013.01); B32B 2264/107 (2013.01); B32B 2307/30 (2013.01); B32B 2307/304 (2013.01); B32B 2307/558 (2013.01); B32B 2307/732 (2013.01); B32B 2605/00 (2013.01); F02F 3/003 (2013.01); F02F 2003/0061 (2013.01); F05C 2203/0869 (2013.01); F05C 2225/06 (2013.01); F05C 2251/048 (2013.01); F05C 2253/12 (2013.01); F05C 2253/16 (2013.01); F05C 2253/20 (2013.01); F05C 2253/24 (2013.01);
Abstract

A piston for a heavy duty diesel engine including a composite layer forming at least a portion of a combustion surface is provided. The composite layer has a thickness greater than 500 microns and includes a mixture of components typically used to form brake pads, such as a thermoset resin, an insulating component, strengthening fibers, and an impact toughening additive. According to one example, the thermoset resin is a phenolic resin, the insulating component is a ceramic, the strengthening fibers are graphite, and the impact toughening additive is an aramid pulp of fibrillated chopped synthetic fibers. The composite layer also has a thermal conductivity of 0.8 to 5 W/m·K. The body portion of the piston can include an undercut scroll thread to improve mechanical locking of the composite layer. The piston can also include a ceramic insert between the body portion and the composite layer.

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