JPS6331220U - - Google Patents
Info
- Publication number
- JPS6331220U JPS6331220U JP12423286U JP12423286U JPS6331220U JP S6331220 U JPS6331220 U JP S6331220U JP 12423286 U JP12423286 U JP 12423286U JP 12423286 U JP12423286 U JP 12423286U JP S6331220 U JPS6331220 U JP S6331220U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- ventilation pipe
- float
- spill prevention
- oil spill
- 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
- 230000002265 prevention Effects 0.000 claims description 9
- 239000003305 oil spill Substances 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図はオイル流出防止機構が作動する前の実
施例の縦断面図、第２図はオイル流出防止手段が
作動した後の実施例の縦断面図、第３図はベンチ
レーシヨンパイプとオイル流出防止手段の斜視図
、第４図はベンチレーシヨンパイプの基端部に取
付けられているオイル流出防止手段の別の態様を
示す側面図、第５図はエンジンの概略縦断面図、
第６図は従来技術におけるヘツドカバーの要部縦
断面図である。
５……クランクケース、５ａ……ヘツドカバー
、６……ベンチレーシヨンパイプ、７……インテ
ークマニホールド、１３……オイル流出防止手段
、１４……シール部材、１５……フロート、ｑ…
…ブローバイガス、Ｓ……ヘツドカバー空間。
Fig. 1 is a longitudinal sectional view of the embodiment before the oil spill prevention mechanism operates, Fig. 2 is a longitudinal sectional view of the embodiment after the oil spill prevention mechanism operates, and Fig. 3 shows the ventilation pipe and oil. FIG. 4 is a side view showing another aspect of the oil spill prevention means attached to the base end of the ventilation pipe; FIG. 5 is a schematic vertical sectional view of the engine;
FIG. 6 is a longitudinal cross-sectional view of a main part of a head cover according to the prior art. 5... Crank case, 5a... Head cover, 6... Ventilation pipe, 7... Intake manifold, 13... Oil spill prevention means, 14... Seal member, 15... Float, q...
...Blow-by gas, S...Head cover space.
Claims (1)
バイガスをインテークマニホールドを経由して前
記燃焼室に還元させるブローバイガスの還元装置
において、 該クランクケース上のヘツドカバー空間から前
記インテークマニホールドヘブローバイガスを導
くベンチレーシヨンパイプの基端部にフロートタ
イプのオイル流出防止手段が設けられているブロ
ーバイガス還元装置におけるオイル流出防止構造
。 ２ 前記オイル流出防止手段は前記ベンチレーシ
ヨンパイプの基端部に取り付けられるシール部材
と、前記ヘツドカバー空間内にオイルの液面が上
昇してきたとき、その液面に押し上げられて前記
シール部材に当接し、ベンチレーシヨンパイプの
取出し口を塞ぐフロートからなつている実用新案
登録請求の範囲第１項記載のブローバイガス還元
装置におけるオイル流出防止構造。 ３ 前記シール部材は前記ベンチレーシヨンパイ
プの基端部内に設けられるシールシートであり、
前記フロートはフロートボールである実用新案登
録請求の範囲第２項記載のブローバイガス還元装
置におけるオイル流出防止構造。[Scope of Claim for Utility Model Registration] 1. A blowby gas reducing device that returns blowby gas leaked from a combustion chamber to a crankcase via an intake manifold to the combustion chamber, comprising: An oil spill prevention structure in a blowby gas reduction device, in which a float type oil spill prevention means is provided at the base end of a ventilation pipe that guides blowby gas. 2. The oil spill prevention means includes a sealing member attached to the base end of the ventilation pipe, and when the oil level rises in the head cover space, the oil is pushed up by the liquid level and hits the sealing member. An oil spill prevention structure in a blow-by gas reduction device according to claim 1, which comprises a float that is in contact with and closes an outlet of a ventilation pipe. 3. The sealing member is a sealing sheet provided within the base end of the ventilation pipe,
The oil outflow prevention structure in a blow-by gas reduction device according to claim 2, wherein the float is a float ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12423286U JPS6331220U (en) | 1986-08-13 | 1986-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12423286U JPS6331220U (en) | 1986-08-13 | 1986-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331220U true JPS6331220U (en) | 1988-02-29 |
Family
ID=31016056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12423286U Pending JPS6331220U (en) | 1986-08-13 | 1986-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6382014U (en) * | 1986-11-17 | 1988-05-30 | ||
| KR100448498B1 (en) * | 2002-05-01 | 2004-09-13 | 기아자동차주식회사 | A check valve unificated with gascket for removing oil drain in engine cylinder |
-
1986
- 1986-08-13 JP JP12423286U patent/JPS6331220U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6382014U (en) * | 1986-11-17 | 1988-05-30 | ||
| KR100448498B1 (en) * | 2002-05-01 | 2004-09-13 | 기아자동차주식회사 | A check valve unificated with gascket for removing oil drain in engine cylinder |
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