JPH0191013U

JPH0191013U -

Info

Publication number: JPH0191013U
Application number: JP18710387U
Authority: JP
Priority date: 1987-12-10
Filing date: 1987-12-10
Publication date: 1989-06-15

Description

[Brief explanation of the drawing]

第１図〜第４図は本考案の一実施例を示したも
のであつて、第１図はブローバイエレメントを収
納したブローバイケースの縦断面図、第２図はブ
ローバイエレメントを収納したブローバイケース
の斜視図、第３図はブローバイエレメントとブロ
ーバイケースの分解斜視図、第４図は内ケースの
変形例の斜視図である。また、第５図は従来のブ
ローバイガス還元装置の概略図、第６図ａ，ｂは
ブローバイエレメントを収納したブローバイケー
スの縦断面図である。１……エンジン、２……シリンダヘツド、３…
…エアクリーナ、４……ホース、５……クランク
室、１５……ブローバイケース、１５ａ……内ケ
ース、１５ｂ……外ケース、１６……ブローバイ
エレメント、１７……底壁部、１８……切込み（
通気路）。 Figures 1 to 4 show an embodiment of the present invention, in which Figure 1 is a longitudinal sectional view of a blow-by case housing a blow-by element, and Figure 2 is a longitudinal sectional view of a blow-by case housing a blow-by element. FIG. 3 is an exploded perspective view of the blow-by element and the blow-by case, and FIG. 4 is a perspective view of a modified example of the inner case. Further, FIG. 5 is a schematic diagram of a conventional blow-by gas reducing device, and FIGS. 6 a and 6 b are longitudinal cross-sectional views of a blow-by case housing a blow-by element. 1...Engine, 2...Cylinder head, 3...
...Air cleaner, 4...Hose, 5...Crank chamber, 15...Blow-by case, 15a...Inner case, 15b...Outer case, 16...Blow-by element, 17...Bottom wall, 18...Notch (
air passage).

Claims

[Scope of utility model registration request]

In a blowby gas reduction device, the crank chamber of an engine is communicated with an air cleaner case through a hose, and a blowby case housing a blowby element is disposed at a connection end of the hose in the air cleaner case. has a double structure with a vertically cylindrical inner case and an outer case, the inner case is connected to the hose, the blow-by element is housed in the inner case, and a ventilation path is formed on the side wall of the inner case. A blow-by gas return device comprising: and a lower end of the outer case is closed with a bottom wall portion.