Internal combustion engine and straddle-type vehicle equipped with the engine

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United States of America Patent

PATENT NO 9719405
SERIAL NO

13552669

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Abstract

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A single-cylinder internal combustion engine includes a knock sensor mounted thereto to suppress a temperature increase of the knock sensor and at the same time detect knocking with high accuracy. The engine includes a cylinder block having a cylinder provided therein, and a cylinder head connected to the cylinder block. On a surface of the cylinder block and the cylinder head, one or more fins protruding from the surface are provided. On the surface of the cylinder block, a sensor mounting boss protruding from the surface and being continuous with a portion of the one or more fins is provided. A knock sensor arranged to detect knocking is mounted to the sensor mounting boss.

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Patent Owner(s)

Patent OwnerAddress
YAMAHA HATSUDOKI KABUSHIKI KAISHAIWATA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inomori, Toshinori Shizuoka, JP 22 107
Nakajima, Akitoshi Shizuoka, JP 7 33

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