Mass efficient piston

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10151269
APP PUB NO 20170363040A1
SERIAL NO

15184434

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An integrally formed piston has a crown portion having an upper crown surface and an undercrown surface. A ring belt extends from the undercrown surface at a periphery thereof. The ring belt includes an uppermost ring land and at least one oil galley contoured to extend around at least two surfaces of the uppermost ring land. The oil galley has an opening at the undercrown surface for receiving a cooling fluid therein for cooling the uppermost ring land. A skirt extends from the undercrown surface and the ring belt and has a plurality of stiffening features arranged in a truss formation. At least one of the plurality of stiffening features has an I-beam cross-section and another of the plurality of stiffening features has a negative draft angle.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C24-A65 DETROIT MI 48265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brown, Tyson W Royal Oak, US 26 118
Dragoiu, Alin C White Lake, US 2 22
Sachdev, Anil K Rochester Hills, US 192 1827
Tiaga, Vincent V White Lake, US 1 10

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