Patent ID: 9719405
Date: 2017-08-01
CPC Classifications: F01P,F02B,F02F

Claim:
1. A single-cylinder internal combustion engine for a vehicle, the single-cylinder internal combustion engine comprising: a cylinder block including a cylinder provided therein; a cylinder head connected to the cylinder block; one or more air-cooled cooling fins protruding from an outside surface of at least one of the cylinder block and the cylinder head; a sensor mounting boss protruding from the outside surface of the at least one of the cylinder block and the cylinder head and being continuous with the one or more air-cooled cooling fins at the outside surface of the at least one of the cylinder block and the cylinder head such that no gap is provided between the sensor mounting boss and the one or more air-cooled cooling fins; and a sensor arranged to detect knocking of the single-cylinder internal combustion engine; wherein the sensor is mounted to the sensor mounting boss; and the sensor mounting boss and at least one of the one or more air-cooled cooling fins are integrally formed with each other.