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Air inlet structure of a saddle type vehicle

A saddle-riding vehicle and air intake structure technology, which is applied to fuel air intake ports, internal combustion piston engines, mechanical equipment, etc., to achieve the effects of reducing product costs, making it easy to manufacture, and suppressing the rise in intake air temperature

Inactive Publication Date: 2013-01-23
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in this saddle-riding vehicle, since the intake port of the air cleaner is arranged on the upper rear side of the engine, the outside air heated by the engine is easily introduced into the air cleaner when the vehicle is running or the like. From the viewpoint of the intake air filling efficiency of the engine, it is desired to improve this phenomenon

Method used

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  • Air inlet structure of a saddle type vehicle
  • Air inlet structure of a saddle type vehicle
  • Air inlet structure of a saddle type vehicle

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Embodiment Construction

[0052] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following description, unless otherwise specified, directions such as front, rear, left, and right correspond to directions in the vehicle. In addition, arrow FR in the figure indicates the front of the vehicle, arrow LH indicates the left side of the vehicle, and arrow UP indicates the upper side of the vehicle.

[0053] figure 1A side view of a small motorcycle 1 which is one form of a saddle-riding vehicle is shown. The frame F of this motorcycle 1 has: a main frame pipe 12 connected to a head pipe 11 at the front end, a transverse pipe 13 connected at right angles to the rear end of the main frame pipe 12, and the left and right ends of the front end and the transverse pipe 13 respectively. A pair of left and right rear frame pipes 14 connected at the top.

[0054] The main frame pipe 12 is composed of a slanting frame portion (Down frame portion) 12a and ...

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Abstract

The invention provides an air inlet structure of a saddle type vehicle, capable of preventing the hot wind from being sucked into an engine from an air chamber, so as to increase the air filling efficiency of the engine. In the saddle type vehicle, the engine (E) is arranged that: a cylinder part (43) projects upwards towards the front part of a crankcase (42) and a belt type stepless speed change device (M) is arranged at the side of the crankcase (42) of the engine (E) and an air filter (48) is arranged above the belt type stepless speed change device (M). In the air inlet structure, a speed change gear cooling pipe (52) for sucking the air in the belt type stepless speed change device (M) is arranged along the edge at the front side of the vehicle of the air filter (48) and used for blocking the flow of the hot air; the air inlet (63) of the air filter (48) is arranged at the outer side of the vehicle width direction compared with the inner wall (54a) of the speed change gear cooling pipe (52) along the vehicle width direction.

Description

technical field [0001] The present invention relates to an air intake structure of saddle-riding vehicles such as motorcycles. Background technique [0002] There is known a saddle-riding vehicle in which an engine and an automatic transmission are swingably supported on a vehicle body together with rear wheels (for example, refer to Patent Document 1). [0003] In the saddle-riding vehicle described in Patent Document 1, the cylinder portion is protrudingly provided on the front side of the crankcase of the engine, the belt-type continuously variable transmission is integrally mounted on the side of the crankcase, and the intake system of the engine The air filter is arranged on the upper side of the belt-type continuously variable transmission. [0004] Patent Document 1: (Japanese) Patent No. 3943995 [0005] However, in this saddle-riding vehicle, since the intake port of the air cleaner is arranged on the upper rear side of the engine, the outside air heated by the en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M35/10
CPCY02T10/146
Inventor 樋渡大
Owner HONDA MOTOR CO LTD
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