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Air feeder structure of internal combustion engine

A technology for internal combustion engines and intake pipes, which is applied in the field of improvement of intake pipe structures, can solve problems such as increased costs, and achieve the effect of stable sealing performance

Inactive Publication Date: 2009-08-19
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Buried ring part 2 will lead to cost increase

Method used

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  • Air feeder structure of internal combustion engine
  • Air feeder structure of internal combustion engine
  • Air feeder structure of internal combustion engine

Examples

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Embodiment Construction

[0040] The best embodiment for carrying out the present invention will be described below based on the drawings. In the drawings and the examples, "up", "down", "front", "rear", "left", and "right" represent directions seen from the driver riding in the motorcycle, respectively. In addition, the attached drawings are diagrams viewed according to the symbols.

[0041] figure 1 It is a side view of a vehicle adopting the intake pipe structure of the internal combustion engine of the present invention. The vehicle 10 is a motorcycle as described below, and an engine 12 as an internal combustion engine 15 is arranged at the center of a vehicle frame 11, and a front fork 13 is steerable. is supported on the front end of the vehicle frame 11, and the rear fork 14 is supported on the rear lower part of the vehicle frame 11 so that it can swing up and down. As the main fuel, ethanol, gasoline or a mixture of gasoline and ethanol is used, and when the engine is started, for example, ...

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Abstract

This invention provides an intake pipe structure of internal combustion engine, which may tangibly lock the connection part of the connection tube and the air filter without increasing the component number and the assembling time, and may keep the good sealability for a long time. The intake pipe (101) of internal combustion engine comprises: an air filter (54) for supplying purified air to the internal combustion engine, a connection tube (103) for connecting the air filter (54) and the internal combustion engine, a lock projection (109) mounted at a side wall (103a) of the connection tube (103). A wall part (108) is integrally mounted at the wall surface of the air filter (54) facing to the connection tube (103) along the connection tube (103). The wall part (108) is provided with a locking part (164) for locking the lock projection (109).

Description

technical field [0001] The present invention relates to an improvement in the structure of an intake pipe of an internal combustion engine. Background technique [0002] There is known an intake pipe structure for an internal combustion engine provided with a connecting pipe connecting between an air cleaner and the internal combustion engine, and feeding air purified by the air cleaner to the internal combustion engine (for example, refer to Patent Document 1). [0003] Patent Document 1: (Japan) Publication No. 61-108877 (Japanese) figure 2 ) [0004] In Patent Document 1 figure 2 Among them, a plurality of rivet-shaped protrusions 5 are formed on the outer part 4 of the elastic joint pipe (hereinafter referred to as "connecting pipe") (the reference numerals are borrowed from the reference numerals in this publication, and the same shall be hereinafter)... ( "..." means a plurality, the same below), these rivet-shaped protrusions 5... are provided with reinforcing plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M35/104
Inventor 中川英亮与仓康文
Owner HONDA MOTOR CO LTD
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