JPH0424610U - - Google Patents
Info
- Publication number
- JPH0424610U JPH0424610U JP6603790U JP6603790U JPH0424610U JP H0424610 U JPH0424610 U JP H0424610U JP 6603790 U JP6603790 U JP 6603790U JP 6603790 U JP6603790 U JP 6603790U JP H0424610 U JPH0424610 U JP H0424610U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- valve case
- discharge hole
- hole
- gas discharge
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例を表すブローバイガ
ス還流装置の要部部分破断図、第２図は第１図の
正面図、第３図はエンジンのシリンダヘツドまわ
りを示す概略図、第４図は本出願人が先に開発し
たブローバイガス還流装置の要部側断面図、第５
図および第６図は変形実施例を示す要部概略図で
ある。
図中、１はシリンダヘツドカバー、２は弁ケー
ス、３はガス吸入孔、４は吸気系、５はガス吐出
孔、６はオイル流入孔、７はフロート弁である。
Fig. 1 is a partially cutaway view of the main part of a blow-by gas recirculation device representing one embodiment of the present invention, Fig. 2 is a front view of Fig. 1, Fig. 3 is a schematic diagram showing the area around the cylinder head of the engine, and Fig. 4 The figure is a side cross-sectional view of the main part of the blow-by gas recirculation device developed earlier by the applicant.
FIG. 6 and FIG. 6 are schematic diagrams of main parts showing a modified embodiment. In the figure, 1 is a cylinder head cover, 2 is a valve case, 3 is a gas intake hole, 4 is an intake system, 5 is a gas discharge hole, 6 is an oil inflow hole, and 7 is a float valve.
Claims (1)
弁ケース上部に吸気系に連通するガス吐出孔を設
けると共に、該ガス吐出孔に近接させてガス吸入
孔を設け、且つ弁ケース底部にオイル流入孔を形
成し、該オイル流入孔から流入するオイル油位の
上昇に追従して浮上して上記ガス吐出孔を閉じる
球状のフロート弁を、上記ガス吸入孔とガス吐出
孔とを結ぶブローバイガス通路下の負圧域外に位
置させて、弁ケース内に収納したことを特徴とす
るブローバイガス還流装置。 A valve case is provided inside the cylinder head cover, a gas discharge hole communicating with the intake system is provided at the top of the valve case, a gas suction hole is provided close to the gas discharge hole, and an oil inflow hole is provided at the bottom of the valve case. A spherical float valve is formed under the blow-by gas passage connecting the gas suction hole and the gas discharge hole. A blow-by gas recirculation device characterized by being located outside a negative pressure region and housed within a valve case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6603790U JPH0424610U (en) | 1990-06-25 | 1990-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6603790U JPH0424610U (en) | 1990-06-25 | 1990-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424610U true JPH0424610U (en) | 1992-02-27 |
Family
ID=31598407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6603790U Pending JPH0424610U (en) | 1990-06-25 | 1990-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012062799A (en) * | 2010-09-15 | 2012-03-29 | Pacific Ind Co Ltd | Oil pan inner tank valve structure |
-
1990
- 1990-06-25 JP JP6603790U patent/JPH0424610U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012062799A (en) * | 2010-09-15 | 2012-03-29 | Pacific Ind Co Ltd | Oil pan inner tank valve structure |
| US9399935B2 (en) | 2010-09-15 | 2016-07-26 | Pacific Industrial Co., Ltd. | Oil pan inner tank valve structure |
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