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Belt CVT

A belt-type continuously variable speed, variable speed actuator technology, applied in the direction of chain/belt transmission, control device, transmission device, etc., can solve the problem of reduced steering stability of automatic two-wheelers, difficulty in effectively using crankcase space, etc. problem, to achieve the effect of improving the handling stability

Inactive Publication Date: 2014-10-22
SUZUKI MOTOR CORP
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In the belt-type continuously variable transmission disclosed in this patent document 1, the relatively heavy variable speed electric motor is arranged above the crankcase of the engine unit, and therefore, the center of gravity of the engine unit is at a high position, resulting in stable steering of the automatic two-wheeled vehicle. decreased sex
[0005] In addition, the variable speed electric motor protrudes from the upper part of the crankcase of the engine unit, which makes it difficult to efficiently use the space above the crankcase

Method used

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Embodiment Construction

[0019] Embodiments of the present invention will be described below with reference to the drawings. However, the present invention is not limited to this embodiment. It should also be noted that, in this embodiment, the terms "front", "rear", "upper", "lower", " "left", "right", and similar terms denoting direction, position, etc.

[0020] refer to figure 1 and figure 2 , the figure shows the left view of the pedal-type automatic two-wheeled vehicle to which the embodiment of the belt-type continuously variable transmission device according to the present invention is applied. The pedal-type automatic two-wheeled vehicle 10 is a large-scale two-person (or two-person) scooter.

[0021] The front part 11 of the vehicle body of the scooter type motorcycle 10 includes leg guards 12 protruding left and right, a screen 13 and a handlebar 14 . Such as figure 2 As shown in , the handlebar 14 is connected to a steering shaft 17 pivotally supported by a head pipe 16 in a vehicle...

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Abstract

PROBLEM TO BE SOLVED: To improve driving stability of a vehicle and effectively utilize the space above an engine unit by setting the center of gravity of the engine unit at a low position.SOLUTION: This belt type continuously variable transmission 37 is housed in the engine unit 25 which is swingably supported by a vehicle body frame while including an engine 35 in which a cylinder assembly 34 tilts toward a crankcase 33. The transmission has a driving pulley driven by the engine 35 and a driven pulley rotated by the driving pulley through a belt, and changes the number of rotations of the driven pulley with respect to the driving pulley by changing the effective belt winding diameter of the driving pulley by the power of an electric motor for speed change 72. In the transmission, the electric motor for speed change 72 is arranged below a cylinder 40 of the cylinder assembly and in front of the crankcase 33.

Description

technical field [0001] The present invention relates to a continuously variable transmission device using a belt, which changes the effective diameter of a drive pulley by means of the power of a transmission actuator to continuously and continuously change a transmission ratio. Background technique [0002] Among continuously variable transmission devices incorporated in vehicles such as automatic two-wheeled vehicles or automobiles, there is known a continuously variable transmission device hereinafter referred to as "belt-type continuously variable The power of the speed change actuator moves the movable half of the drive pulley in the axial direction of the shaft to change the effective diameter of the drive pulley, thereby continuously changing the speed change ratio. [0003] Among such known belt-type continuously variable transmissions, Patent Document 1 (Japanese Unexamined Patent Publication No. 2007-55304) discloses a belt-type continuously variable transmission i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K17/08B62M9/08F16H9/14F16H59/06
Inventor 糟谷修
Owner SUZUKI MOTOR CORP
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