Scooter type motorcycle

A two-wheeled motorcycle, small-scale technology, applied to motorcycles, bicycles, motor vehicles, etc., can solve the problems of low cooling efficiency and small opening area, and achieve the effect of improving cooling efficiency, simple and reliable support

CN1597432AActive Publication Date: 2005-03-23YAMAHA MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2005-03-23

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Abstract

Provided is a scooter-type motorcycle capable of enhancing the cooling efficiency by ensuring the opening area of an intake passage. In the scooter-type motorcycle which supports a unit-swing type power unit 3 by a body frame 4 in a rocking manner and has an intake duct 400 to introduce the cooling air into a transmission chamber of the unit-swing type power unit 3, an introduction opening part 320a to introduce the cooling air is formed in the front side of the transmission chamber 320, and the intake duct 400 is supported by the body frame 4. The intake duct 400 has a connection opening part 400b to cover the introduction opening part 320a in a rocking manner, and an outside air intake opening part 400c is opened inward of the body.
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Description

technical field

[0001] The invention relates to a small two-wheeled motorcycle, which has an air suction pipe for introducing cooling air into a transmission chamber of a combined swing type power unit. Background technique

[0002] Some of the small two-wheeled motorcycles have a combined swing type power unit swingably supported on the vehicle body frame. In this combined swing power unit, an engine and a power transmission device are integrally arranged, and the rear wheel driven by the shaft supported by the combined swing power unit runs. As the power transmission device, a V-belt automatic transmission is used, and the V-belt automatic transmission is arranged in a transmission chamber so that noise is not easily transmitted to the outside.

[0003] However, since the heat conducted from the engine side in the transmission chamber or generated by the shifting action cannot be transferred out, for example, it has a bad effect on the V-belt automatic transmission, so so...

Examples

Embodiment Construction

[0031] Next, an embodiment of the small motorcycle of the present invention will be described, but the present invention is not limited to this embodiment. In addition, the embodiment of the present invention shows the best mode of the invention, and the terms of the present invention are not limited thereto.

[0032] figure 1 It is a side view of a small two-wheeled motorcycle, figure 2 is the top view of the body frame, image 3 It is a side view of the seat part, Figure 4 is a plan view of the seat part, Figure 5 It is a side view of the suction pipe installation part, Image 6 is a plan view of the suction pipe installation part, Figure 7 is along Figure 5 A sectional view of line VII-VII, Figure 8 It is the rear view of the support part of the combined swing type power unit, Figure 9 It is a partial cross-sectional view of the connecting portion of the suction pipe and the combined swing type power unit, Figure 10 is the side view of the suction pipe, F...