JPS63196469U

JPS63196469U -

Info

Publication number: JPS63196469U
Application number: JP8833687U
Authority: JP
Priority date: 1987-06-08
Filing date: 1987-06-08
Publication date: 1988-12-16

Description

[Brief explanation of the drawing]

第１図は本考案に係るエンジンの吸気構造の一
例の主要部を示す斜視図、第２図は第１図に示さ
れる吸音パイプ部の詳細図、第３図Ａ及びＢは第
１図に示される例及び比較例の構成及び動作説明
に供される断面図、第４図及び第５図は、夫々、
本考案に係るエンジンの吸気構造の他の例の主要
部を示す斜視図である。図中、１０は吸気通路、１２はエアクリーナ、
１４はケーシング、１５はろ過エレメント、１６
は本体部、２０，２０′及び２０″は導入パイプ
部、２２，２２′及び２２″は吸音パイプ部であ
る。 FIG. 1 is a perspective view showing the main parts of an example of an engine intake structure according to the present invention, FIG. 2 is a detailed view of the sound absorbing pipe shown in FIG. 1, and FIGS. The cross-sectional views, FIGS. 4 and 5, used to explain the configuration and operation of the illustrated example and comparative example are, respectively,
FIG. 7 is a perspective view showing the main parts of another example of the engine intake structure according to the present invention. In the figure, 10 is an intake passage, 12 is an air cleaner,
14 is a casing, 15 is a filtration element, 16
20, 20' and 20'' are introduction pipe sections, and 22, 22' and 22'' are sound absorbing pipe sections.

Claims

[Scope of utility model registration request]

An air cleaner is built into the intake passage leading to the combustion chamber of the engine, and the air cleaner has a main body that purifies the air supplied to the combustion chamber, and an outside air introduction pipe connected to the main body. and a sound-absorbing pipe portion having at least an outer surface formed of a sound-absorbing material, the sound-absorbing pipe portion being disposed within the outside air-introducing pipe portion such that a gap is formed between the outer circumferential surface of the outside air-introducing pipe portion and the inner surface of the outside air introducing pipe portion. An engine intake structure characterized by