JPH02127721U

JPH02127721U -

Info

Publication number: JPH02127721U
Application number: JP3776689U
Authority: JP
Priority date: 1989-03-30
Filing date: 1989-03-30
Publication date: 1990-10-22

Description

[Brief explanation of drawings]

第１図は本考案の実施例に係る水平対向形エン
ジンの１例を示す構成図、第２図は要部となるオ
イルセパレータ室の縦断側面図、第３図は同オイ
ルセパレータ室の一部の縦断正面図、第４図およ
び第５図は従来例のロツカカバー上面に形成した
オイルセパレータの１例を説明する縦断面図であ
る。１０，１０ａ……シリンダブロツク、１１，１
１ａ……シリンダヘツド、１２……ロツカカバー
、１３……ロツカカバー取付用ボルト、１４……
オイルセパレータ室、１４ａ……側壁、１４ｂ…
…セパレータカバー、１４ｃ……フイン、１４ｄ
……底壁部、１５……ブローバイガス流通口、１
６……ガス流通口、１７……仕切り邪魔板、１８
……ガス出口、１９……第１のオイルチヤンバ、
２０……オイル戻し穴、２１……囲壁、２１ａ…
…側端部、２１ｂ……上端部、２２……パツキン
、２３……第２のオイルチヤンバ。 Fig. 1 is a configuration diagram showing an example of a horizontally opposed engine according to an embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional side view of an oil separator chamber, which is the main part, and Fig. 3 is a part of the oil separator chamber. FIGS. 4 and 5 are longitudinal sectional views illustrating an example of an oil separator formed on the upper surface of a conventional rocker cover. 10,10a...Cylinder block, 11,1
1a...Cylinder head, 12...Rocker cover, 13...Rocker cover mounting bolt, 14...
Oil separator chamber, 14a... side wall, 14b...
...Separator cover, 14c...Fin, 14d
... Bottom wall part, 15 ... Blow-by gas distribution port, 1
6...Gas distribution port, 17...Partition baffle plate, 18
...Gas outlet, 19...First oil chamber,
20... Oil return hole, 21... Surrounding wall, 21a...
...Side end portion, 21b... Upper end portion, 22... Packing, 23... Second oil chamber.

Claims

[Scope of Claim for Utility Model Registration] It has a die-cast rocker cover that is tightened and fixed to the head of the cylinder head with bolts, and an oil separator chamber of blow bacus is formed on the upper surface of the rocker cover, and the bottom wall of the separator chamber and A blow-by gas flow port is formed in the upper wall surface of the rocker cover, and a first oil chamber having a separate oil return hole is formed in the separator chamber, the first oil chamber having a concave cross section surrounding the first oil chamber. a surrounding wall is formed integrally with the rocker cover, a side end of the surrounding wall is closed by a packing attached to the rocker cover to form a second oil chamber, and an upper end position of the surrounding wall is defined as the rocker cover. An oil separation device for blow-by gas in an internal combustion engine, characterized in that the device is installed higher than an oil return hole.