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Mounting structure of radiator of internal-combustion engine

A technology of installation structure and radiator, which is applied in the direction of machine/engine, engine cooling, liquid cooling, etc., can solve the problem of increased weight and achieve the effect of improving the degree of freedom of configuration

Inactive Publication Date: 2005-08-24
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the conventional radiator mounting structure, since the radiator is supported by metal parts, it can be mounted firmly, but since all the parts surrounding the air passage are made of metal, the weight increases

Method used

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  • Mounting structure of radiator of internal-combustion engine
  • Mounting structure of radiator of internal-combustion engine
  • Mounting structure of radiator of internal-combustion engine

Examples

Experimental program
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Embodiment Construction

[0039] figure 1 It is a side view of a small motorcycle 1 equipped with an internal combustion engine having the radiator mounting structure of the present invention. In this motorcycle 1, a head pipe 3 is formed at the front end of the vehicle frame 2, and a front fork 4 is mounted on the head pipe 3 so as to be rotatable left and right, and a lower end of the front fork 4 is rotatably mounted. Install front wheel 5. A power unit 6 is installed on the rear portion of the vehicle frame 2 so as to be able to swing freely up and down. The rocking type power unit 6 is composed of a water-cooled internal combustion engine 7 of a rocker type overhead valve type 4-stroke single cylinder, a power transmission device 8 and a rear wheel support portion 9-body. The rear wheel support 9 has a rear wheel 10 . In addition, a rear suspension 11 is attached between the rear of the vehicle frame 2 and the rear of the power unit 6 . An article storage portion 12 is provided at the rear up...

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Abstract

A radiator installing structure to an internal combustion engine body in a power unit, is rockingly supported by a car body by integrating the internal combustion engine body composed of a cylinder and a cylinder head, a crankcase for storing a crankshaft, and a motive power transmission case for supporting a driving wheel. The radiator installing structure is separately provided with a radiator support member installed in the crankcase, surrounding the periphery of a cooling fan arranged on one end of the crankshaft and supporting the radiator oppositely arranged to the cooling fan, and a ventilation guide member forming a cooling air passage reaching the cooling fan from the radiator in an inside space of the radiator support member.

Description

technical field [0001] The present invention relates to a radiator attachment structure of an internal combustion engine body for attaching a radiator to an internal combustion engine body mounted on a motorcycle. Background technique [0002] When installing a radiator outside the crankshaft end of an internal combustion engine body having a crankshaft extending in the left-right direction, the radiator is usually installed at a position higher than the crankshaft because it is necessary to ensure a gap between the radiator and the road surface when the vehicle body is tilted. In order to ventilate the radiator, a cooling fan that rotates with the crankshaft is provided at the end of the crankshaft. As described above, since the center of the radiator and the center of the cooling fan are displaced vertically, it is necessary to form a cooling air passage for smoothly flowing air from the radiator to the cooling fan. [0003] In the radiator mounting structure of the conve...

Claims

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Application Information

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IPC IPC(8): F01P3/04F01P3/00F01P11/10
Inventor 额田芳隆平山周二
Owner HONDA MOTOR CO LTD