Method for forming center link of connecting rod for variable displacement engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11376662
APP PUB NO 20200353538A1
SERIAL NO

16808567

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method includes powder forging and machining a workpiece that is fractured to divide the workpiece into separate components. In a green form in which the workpiece is formed of compacted powdered metal and has a body that is generally shaped as a parallelepiped with a pair of end faces. The body defines a bore, a pair of V-notches and a pair of channels. The V-notches are formed into the bore parallel to the central axis of the bore and cooperate to define a separation plane. Each of the channels is formed in an associated one of the end faces at a location where the separation plane intersects the end face. During forging, the channels are closed but create a stress riser that aids in directing the fracture when the components are separated from one another.

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Patent Owner(s)

Patent OwnerAddress
MD INVESTORS CORPORATIONONE DAUCH DRIVE DETROIT MI 48211

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yan, Dejian Jiangsu, CN 1 0
Zung, Edwin Wen-Wei Beverly Hills, US 1 0

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