US Patent Application No: 2008/0264,378

Number of patents in Portfolio can not be more than 2000

Connecting Rod with Cast-In Insert

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Importance

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Abstract

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A cast metal connecting rod of the type used in a reciprocating piston engine has a beam section between two end sections. The beam section and the end sections are integral with one another and are at least partially made of a cast metal material. At least the beam section of the connecting rod includes an insert made of a sintered powder metal material. The insert is at least partially encapsulated by the cast metal material of the connecting rod. The insert reinforces the connecting rod and can help match characteristics of surrounding or mating parts of the engine that are made of materials more similar to the material of the insert than the cast metal of the connecting rod. The cast metal material, for example aluminum alloy, of the connecting rod can also provide localized regions of high machinability where needed.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
GKN SINTER METALS, LLCAUBURN HILLS, MI38

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cooper, Donald D Fond du Lac, WI 7 5
Langraff, Carl J Waukesha, WI 1 1
Mandel, Joel H Hartford, WI 19 50

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 6,371,009 Structural matrix for a piston and connecting-rod assembly 1 1999
 
TECUMSEH PRODUCTS COMPANY (1)
* 4,691,590 Connecting rod design with voids 20 1986
 
A. O. SMITH ("A. O. SMITH") (1)
* 4,841,801 Connecting rod 15 1988
 
GENERAL MOTORS CORPORATION (2)
* 4,836,044 Connecting rod 12 1988
* 5,673,666 Connecting rod for internal combustion engine 6 1995
 
MAHLE INTERNATIONAL GMBH (1)
* 4,334,507 Piston for an internal combustion engine and method for producing same 37 1980
 
GKN SINTER METALS, LLC (2)
* 7,625,522 Method and apparatus for forming a hole or slot in powder metal components 1 2004
* 2007/0261,514 Multi-material connecting rod 2 2006
 
KARL SCHMIDT UNISIA, ZOLLNER DIVISION, INC. (1)
* 5,660,156 Cast piston having reinforced combustion bowl edge 12 1996
 
GKN SINTER METALS, INC. (1)
* 2002/0170,161 Precisely repositioning powder metal components 6 2002
 
FORD GLOBAL TECHNOLOGIES, INC. (1)
* 5,131,577 Apparatus for making a powder metal connecting rod 13 1991
 
SCHAEFFLER TECHNOLOGIES AG & CO. KG (1)
* 6,854,357 Connecting rod of a crank mechanism 2 2002
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
8,522,745 Reinforced piston and connecting rod assembly 0 2010
* Cited By Examiner