JPS63123714U - - Google Patents
Info
- Publication number
- JPS63123714U JPS63123714U JP1520087U JP1520087U JPS63123714U JP S63123714 U JPS63123714 U JP S63123714U JP 1520087 U JP1520087 U JP 1520087U JP 1520087 U JP1520087 U JP 1520087U JP S63123714 U JPS63123714 U JP S63123714U
- Authority
- JP
- Japan
- Prior art keywords
- blow
- gas passage
- crankcase
- engine
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は、本考案によるブローバイガス通路の
構造が適用されたエンジンのブローバイガス通路
の流れを示す横断面図である。第２図は、第１図
に於けるブローバイガス通路及びカバー部分の拡
大断面図である。第３図は、第２図に於ける矢印
から見た部分拡大図である。
１……シリンダブロツク、２……シリンダ、３
……クランクケース、４……シリンダヘツド、５
……シリンダヘツドカバー、６……ウオータジヤ
ケツト、７……ピストン、８……コンロツド、９
……クランク軸、１０……燃焼室、１１……カウ
ンタウエイト、１２……スカート部、１３……オ
イルパン、１４……ジヤーナル壁、１５……軸受
キヤツプ、１６……ブローバイガス通路、１７…
…開口部、１８……カバー、１９……ブリーザチ
ヤンバ、２０……負圧駆動バルブ、２１……吸気
通路、２２……キヤブレタ、２３……エアクリー
ナ、２４……フイルタ、３１……下面、３２……
基端部、３３……ボルト、３４……遊端部、３５
……凹部、３６……鍔部、３７……側縁部、３８
……先端部、３９……回転軌跡面、４０……側面
部。
FIG. 1 is a cross-sectional view showing the flow of the blow-by gas passage of an engine to which the structure of the blow-by gas passage according to the present invention is applied. FIG. 2 is an enlarged sectional view of the blow-by gas passage and cover portion in FIG. 1. FIG. 3 is a partially enlarged view seen from the arrow in FIG. 2. 1...Cylinder block, 2...Cylinder, 3
...Crankcase, 4...Cylinder head, 5
...Cylinder head cover, 6...Water jacket, 7...Piston, 8...Conn rod, 9
... Crankshaft, 10 ... Combustion chamber, 11 ... Counterweight, 12 ... Skirt portion, 13 ... Oil pan, 14 ... Journal wall, 15 ... Bearing cap, 16 ... Blow-by gas passage, 17 ...
...opening, 18...cover, 19...breather chamber, 20...negative pressure driven valve, 21...intake passage, 22...carburettor, 23...air cleaner, 24...filter, 31...bottom surface, 32... …
Base end, 33... Bolt, 34... Free end, 35
...Recessed part, 36... Flange part, 37... Side edge part, 38
... Tip part, 39 ... Rotation locus surface, 40 ... Side part.
Claims (1)
の吸気負圧を利用して燃焼室内に導入するべく設
けられたエンジンのブローバイガス通路の構造で
あつて、 前記ブローバイガスの通路のクランクケース内
に臨む開口部に該開口部の一部を覆うカバーが設
けられ、 前記カバーが、前記クランクケース内に回転自
在に受容されたクランク軸のカウンタウエイトの
先端部の前記開口部側の回転軌跡面に微小隙間を
もつて対向する部分を有することを特徴とするエ
ンジンのブローバイガス通路の構造。[Scope of Claim for Utility Model Registration] A structure of a blow-by gas passage of an engine provided to introduce blow-by gas in a crankcase into a combustion chamber using the engine's intake negative pressure, the blow-by gas passage being An opening facing into the crankcase is provided with a cover that covers a part of the opening, and the cover is arranged on the opening side of the tip of the counterweight of the crankshaft rotatably received in the crankcase. A structure of a blow-by gas passage for an engine, characterized by having portions facing each other with a small gap in the rotation locus plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1520087U JPS63123714U (en) | 1987-02-04 | 1987-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1520087U JPS63123714U (en) | 1987-02-04 | 1987-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63123714U true JPS63123714U (en) | 1988-08-11 |
Family
ID=30805912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1520087U Pending JPS63123714U (en) | 1987-02-04 | 1987-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63123714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112008003487B4 (en) * | 2007-12-27 | 2013-05-08 | Toyota Jidosha Kabushiki Kaisha | internal combustion engine |
| JP2015113771A (en) * | 2013-12-12 | 2015-06-22 | ダイハツ工業株式会社 | Internal combustion engine |
-
1987
- 1987-02-04 JP JP1520087U patent/JPS63123714U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112008003487B4 (en) * | 2007-12-27 | 2013-05-08 | Toyota Jidosha Kabushiki Kaisha | internal combustion engine |
| DE112008003487B8 (en) * | 2007-12-27 | 2013-07-25 | Toyota Jidosha Kabushiki Kaisha | internal combustion engine |
| US8875686B2 (en) | 2007-12-27 | 2014-11-04 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine |
| JP2015113771A (en) * | 2013-12-12 | 2015-06-22 | ダイハツ工業株式会社 | Internal combustion engine |
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