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Power apparatus for automatic two-wheeled vehicle and tricycle

A technology of power unit and tricycle, which is applied in the direction of transmission, transmission parts, chain/belt transmission, etc., can solve the problems of shortening the wheelbase and the length of the power unit in the front and rear directions, so as to shorten the front and rear length and shorten the wheelbase. Effect

Inactive Publication Date: 2004-08-25
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the above-mentioned conventional power unit, the driving pulley of the belt-type continuously variable transmission is arranged behind a certain distance from the crankshaft counterweight of the crankshaft, so that the power unit is relatively long in the front-rear direction, and it is difficult to shorten the wheelbase.

Method used

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  • Power apparatus for automatic two-wheeled vehicle and tricycle
  • Power apparatus for automatic two-wheeled vehicle and tricycle
  • Power apparatus for automatic two-wheeled vehicle and tricycle

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Embodiment Construction

[0021] The implementation of the present invention will be described below based on an embodiment of the present invention shown in the accompanying drawings.

[0022] Figure 1 to Figure 9 represents an embodiment of the present invention, figure 1 is a side view of an automatic two-wheeler, figure 2 for following with figure 1 Partially cut-away side view of the power unit looking in the same direction, image 3 for figure 2 The 3-3 line profile, Figure 4 for image 3 The enlarged view of the main part, Figure 5 for from image 3 Partial cut-away side view of the power plant seen in the direction of arrow 5, Image 6 for figure 2 The 6-6 line enlarged section view, Figure 7 for Image 6 The enlarged view of the main part, Figure 8 for from image 3 The sectional view of the crankcase seen in the direction of the arrow on line 8-8, Figure 9 for Figure 5 An enlarged view of the main part.

[0023] first, figure 1 Among them, a power unit P arranged be...

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Abstract

Provided is a power unit for a motor-cycle and a tricycle provided with a belt type continuously variable transmission, a transmission gear row between a part close to one end of a crank shaft and a drive pulley shaft, and a cam chain wound around a driving sprocket fixed to the other end side of the crank shaft to shorten the fore-and-aft length of the power unit and shorten a wheel base. A power generator 30 is mounted in one end part of the crank shaft 12, and an intermediate part of the drive pulley shaft 62 arranged at a position where a part of the drive pulley 64 is overlapped on the power generator 30 in side view is rotatably supported by an intermediate shaft receive part 68 provided in a crank case 14. A pulley driving means 86 for driving a drive side movable pulley 85 mounted slidably on the drive pulley shaft 62 in the axial direction is arranged at a position where it corresponds to the driving sprockets 44F, 44R along the axial direction of the crank shaft 12.

Description

technical field [0001] The invention relates to a power device for automatic two- and three-wheeled vehicles, in particular to a belt-type continuously variable transmission with a V-belt stretched on the driving pulley and the driven pulley, and a belt-type continuously variable transmission between the part near one end of the crankshaft and the shaft of the driving pulley. The improvement of the transmission gear train and the drive sprocket fixed on the other end of the crankshaft, which is used to drive the cam chain of the valve transmission device, is the improvement of the automatic two-wheel and three-wheel vehicle power device. Background technique [0002] Such a power unit for a two-wheeled or three-wheeled vehicle is disclosed in, for example, Patent Document 1 or the like. [0003] Patent Document 1: Patent No. 2657062. [0004] However, in the above-mentioned conventional power unit, the drive pulley of the belt-type continuously variable transmission is arra...

Claims

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Application Information

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IPC IPC(8): B60K17/04B60K17/06B62M9/00B62M9/04B62M23/00F02F7/00F16H7/06F16H9/12F16H57/02F16H57/023F16H57/025
CPCB62K11/04B62M9/08B60K17/04
Inventor 石川秀男
Owner HONDA MOTOR CO LTD
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