Dual gallery steel piston

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11067033
APP PUB NO 20180334992A1
SERIAL NO

15980595

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Importance

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Abstract

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A piston capable of operating at a high temperature and consequently contributing to a high in-cylinder temperature, as well as reducing engine oil temperature, when used in an internal combustion engine, is provided. The piston includes an upper portion and a lower portion welded together to present a cooling gallery therebetween. The cooling gallery extends circumferentially around a center axis of the piston and is spaced the center axis. A partition is located in the cooing gallery and extends from one inner surface to another inner surface of the cooling gallery. The partition extends circumferentially around the center axis, and divides the cooling gallery into at least a first gallery portion and a second gallery portion. The partition can be formed as one piece with the upper portion or the lower portion. Alternatively, the partition can be formed as a separate piece from the upper portion and the lower portion.

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Patent Owner(s)

Patent OwnerAddress
TENNECO INC500 NORTH FIELD DRIVE LAKE FOREST IL 60045

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leibold, Andrew Monroe, US 3 18
Matsuo, Eduardo Ann Arbor, US 10 62
Vezina, Timothy Christopher Northville, US 3 7
Wang, Kai Ann Arbor, US 565 3689
Weinenger, Michael Southfield, US 33 108

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