US Patent Application No: 2011/0146,613

Number of patents in Portfolio can not be more than 2000

Piston for Internal Combustion Engine

ALSO PUBLISHED AS: 8291881

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Importance

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Abstract

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A piston for a compression ignition internal combustion engine includes a crown portion, torroidal portion, and a reentrant portion. The piston further has a recess portion about a central axis of the piston designed to reduce temperatures near a tip portion of the fuel injector.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PERKINS ENGINES COMPANY LIMITEDPETERBOROUGH66

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MacKay, Tom Felton, CA 3 3
Oxborrow, James Stuart - 2 3
Parsi, Mohammad London, GB 3 7

Cited Art Landscape

Patent Info (Count) # Cites Year
 
MAHLE G MBH (1)
* 7,131,418 Cooled piston for an internal combustion engine 8 2003
 
Sonex Research, Inc. (1)
* 4,788,942 Internal combustion engine using dynamic resonating air chamber 21 1986
 
SOUTHWEST RESEARCH INSTITUTE (1)
* 6,708,666 Multi-zone combustion chamber for combustion rate shaping and emissions control in premixed-charge combustion engines 9 2001
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
SOUTHWEST RESEARCH INSTITUTE (3)
* 8,459,229 Piston bowl with spray jet targets 2 2010
8,555,854 Piston bowl with deflecting features 0 2010
8,677,974 Piston bowl with flat bottom 0 2010
* Cited By Examiner