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Cam shaft angle sensor mounting structure of IC engine

An angle sensor and installation structure technology, applied in the direction of machines/engines, instruments, valve devices, etc., can solve the problems of lengthening the distance between front and rear wheels and increasing the size of motorized two-wheeled vehicles, so as to avoid the increase in size, realize simplification, The effect of downsizing

Inactive Publication Date: 2007-03-21
HONDA MOTOR CO LTD
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  • Application Information

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Problems solved by technology

[0004] When the above-mentioned conventional overhead valve type (OHC) four-stroke cycle internal combustion engine is mounted on a motorcycle with the cylinder tilted forward and slightly horizontal, the camshaft angle sensor protrudes forward from the cylinder head. Interference between the camshaft angle sensor and the front wheels located in front of the above-mentioned internal combustion engine will lengthen the distance between the front and rear wheels, which will cause the defect that the size of the two-wheeled motor vehicle will increase.

Method used

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  • Cam shaft angle sensor mounting structure of IC engine
  • Cam shaft angle sensor mounting structure of IC engine
  • Cam shaft angle sensor mounting structure of IC engine

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Embodiment Construction

[0019] Hereinafter, an embodiment of the present invention shown in FIGS. 1 to 5 will be described.

[0020] As shown in Figure 1, relate to the overhead valve type four-stroke cycle internal combustion engine O of the present invention is installed on the motor two-wheel vehicle 1 of relatively small (not small also can); The vehicle body of this motor two-wheel vehicle 1 is made of following Parts are composed of: main frame 2, which is inclined from the front upper part of the motor vehicle 1 to the rear lower part; downpipe 3, whose front end is integrated with the front upper part of the main frame 2; The vehicle frame 2 is combined into one body, pointing to the oblique rear upper part from the rear lower part of the main vehicle frame 2; the front main pipe 5 is integrated with the front end of the main vehicle frame 2. The above-mentioned downcomer 3 is inclined from the front upper part to the oblique rear and downward, and then extended to the rear, and its rear end ...

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Abstract

To reduce projection length of a camshaft angle sensor in relation to a camshaft angle sensor mounting structure for an overhead valve type four stroke internal combustion engine mounted on a motorcycle body. In the camshaft angle sensor 60 mounting structure for the overhead valve type four stroke internal combustion engine 0 mounted on the motorcycle 1 in an attitude inclining a cylinder 22 roughly horizontally forward, a flange 61 is formed on a side surface of a cam sprocket 41 driving a camshaft mounted on a cylinder head 23, a detected part 62 is formed on the flange 61, the flange 61 is used as a sensing rotor, the camshaft angle sensor 60 provided at a position facing to the sensing rotor 61 is projectingly mounted on an outer surface of a top or side of the cylinder head 23.

Description

technical field [0001] The invention relates to a camshaft angle sensor installation structure of an overhead valve type four-stroke cycle internal combustion engine installed on the body of a two-wheeled motor vehicle. Background technique [0002] In the existing overhead valve type four-stroke cycle internal combustion engine, the detection rotor is integrally installed on the camshaft that completes the opening and closing of the intake and exhaust valves; along the rotation surface of the detection rotor, a camshaft angle sensor is arranged parallel to the center line of the cylinder , which is used to detect the ignition time of the ignition plug and the opening and closing time of the intake and exhaust valves. [0003] (Patent Document 1) JP-A-2001-329885. [0004] When the above-mentioned conventional overhead valve type (OHC) four-stroke cycle internal combustion engine is mounted on a motorcycle with the cylinder tilted forward and slightly horizontal, the camsha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D35/00F01L1/04F01L1/46F02F1/24F02P7/067G01B7/30G01B21/22F01P5/10F01P5/12F04B9/00
Inventor 久保田良中村正志
Owner HONDA MOTOR CO LTD
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