Main bearing for crankshaft of internal combustion engine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9739303
SERIAL NO

15017993

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A main bearing includes first and second half bearings, each having a main cylinder portion and crush relief portions in both circumferential end portions. An oil groove circumferentially extends on an inner circumferential surface only of the first half bearing, one circumferential end portion of the oil groove opens on a circumferential end surface on a front side in a rotation direction, and the other circumferential end portion of the oil groove is positioned in the crush relief portion on a rear side in the rotation direction. The first half bearing includes a transition region between the crush relief portion on the front side in the rotation direction and the main cylinder portion, and the second half bearing includes a transition region between the crush relief portion on the rear side in the rotation direction and the main cylinder portion.

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Patent Owner(s)

Patent OwnerAddress
DAIDO METAL CO LTDAICHI

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Kenta Inuyama, JP 22 101
Kawashima, Yuki Inuyama, JP 39 84

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