JPH0166411U - - Google Patents
Info
- Publication number
- JPH0166411U JPH0166411U JP1987161208U JP16120887U JPH0166411U JP H0166411 U JPH0166411 U JP H0166411U JP 1987161208 U JP1987161208 U JP 1987161208U JP 16120887 U JP16120887 U JP 16120887U JP H0166411 U JPH0166411 U JP H0166411U
- Authority
- JP
- Japan
- Prior art keywords
- head cover
- combustion chamber
- intake manifold
- return device
- blow
- 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 3
- 238000009423 ventilation Methods 0.000 claims description 2
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Safety Valves (AREA)
Description
第１図はこの考案を具体化したブローバイガス
還元装置の第１実施例を示す要部断面図、第２図
は第１図のＡ―Ａ線における断面図、第３図はブ
ローバイガス還元装置の第２実施例を示す要部断
面図、第４図はブローバイガス還元装置の第３実
施例を示す要部断面図、第５図は第４図のＢ―Ｂ
線における断面図、第６図はブローバイガス還元
装置の第４実施例を示す要部断面図、第７図はエ
ンジンの概略断面図、第８図はヘツドカバーの概
略断面図である。
１…燃焼室、４…クランクケース、５…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、１４…ばね部材、１５…バ
ルブ。
Fig. 1 is a cross-sectional view of the main parts of a first embodiment of a blow-by gas reducing device that embodies this idea, Fig. 2 is a cross-sectional view taken along line AA in Fig. 1, and Fig. 3 is a blow-by gas reducing device. Fig. 4 is a sectional view of main parts showing the second embodiment of the blow-by gas reduction device, Fig. 5 is a cross-sectional view of main parts showing the third embodiment of the blow-by gas reduction device, and Fig.
FIG. 6 is a sectional view of a main part showing a fourth embodiment of the blow-by gas reducing device, FIG. 7 is a schematic sectional view of the engine, and FIG. 8 is a schematic sectional view of the head cover. DESCRIPTION OF SYMBOLS 1... Combustion chamber, 4... Crank case, 5... Head cover, 6... Ventilation pipe, 7... Intake manifold, 14... Spring member, 15... Valve.
Claims (1)
バイガスをヘツドカバーの内部及びインテークマ
ニホールドを経由して前記燃焼室に還元させるブ
ローバイガス還元装置において、 前記ヘツドカバーの内部とインテークマニホー
ルドとの間のベンチレーシヨンパイプ内に、通常
はばね部材の付勢力により閉鎖状態に保持され、
ヘツドカバー内の圧力とインテークマニホールド
内の負圧の差が一定値以上になつた時には前記ば
ね部材の付勢力に抗して開放されるバルブを設け
たことを特徴とするブローバイガス還元装置。[Scope of Claim for Utility Model Registration] A blowby gas return device that returns blowby gas leaked from the combustion chamber into the crankcase to the combustion chamber via the inside of the head cover and the intake manifold, In the ventilation pipe between the
A blow-by gas return device comprising a valve that opens against the biasing force of the spring member when the difference between the pressure in the head cover and the negative pressure in the intake manifold exceeds a certain value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161208U JPH0166411U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161208U JPH0166411U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166411U true JPH0166411U (en) | 1989-04-27 |
Family
ID=31443949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161208U Pending JPH0166411U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0342011U (en) * | 1989-09-01 | 1991-04-22 | ||
| KR100527697B1 (en) * | 2002-05-08 | 2005-11-09 | 현대자동차주식회사 | oil breather of engine |
-
1987
- 1987-10-20 JP JP1987161208U patent/JPH0166411U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0342011U (en) * | 1989-09-01 | 1991-04-22 | ||
| KR100527697B1 (en) * | 2002-05-08 | 2005-11-09 | 현대자동차주식회사 | oil breather of engine |
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