JPH0216008Y2 - - Google Patents
Info
- Publication number
- JPH0216008Y2 JPH0216008Y2 JP1985103499U JP10349985U JPH0216008Y2 JP H0216008 Y2 JPH0216008 Y2 JP H0216008Y2 JP 1985103499 U JP1985103499 U JP 1985103499U JP 10349985 U JP10349985 U JP 10349985U JP H0216008 Y2 JPH0216008 Y2 JP H0216008Y2
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- oil
- oil separation
- separation chamber
- gas inlet
- 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.)
- Expired
Links
- 238000000926 separation method Methods 0.000 claims description 58
- NUFNQYOELLVIPL-UHFFFAOYSA-N acifluorfen Chemical compound C1=C([N+]([O-])=O)C(C(=O)O)=CC(OC=2C(=CC(=CC=2)C(F)(F)F)Cl)=C1 NUFNQYOELLVIPL-UHFFFAOYSA-N 0.000 claims description 15
- 230000014759 maintenance of location Effects 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
この考案は、エンジンの燃焼室からクランク室
に漏洩したブローバイガスを、エンジンのギヤケ
ース内に設けたブレザ装置でオイル分離して外部
へ逃すようにしたエンジンのクランク室ブレザ装
置に関する。[Detailed explanation of the invention] <Industrial application field> This invention uses a blazer device installed in the engine's gear case to separate the blow-by gas leaking from the combustion chamber of the engine into the crank chamber and release it to the outside. This invention relates to a crank chamber blazer device for an engine that has been manufactured.
〈従来技術〉
本出願人は上記のようなブレザ装置について、
先に実公昭59−19777号公報に示すものを提案し
ている。即ち、第４図に示すように、その基本構
造は、エンジン１のギヤケース２内の上部にオイ
ル分離室４を横長に形成し、オイル分離室４の始
端部にガス入口３を形成するとともに、オイル分
離室４の奥部にブレザ室９を形成し、クランク室
２０ａ内のブローバイガスをギヤケース２内、ガ
ス入口３、オイル分離室４及びブレザ室９を順に
通つて外部へ逃すように構成したものである。<Prior Art> Regarding the above-mentioned blazer device, the applicant has
The method shown in Japanese Utility Model Publication No. 59-19777 was proposed earlier. That is, as shown in FIG. 4, the basic structure is that an oil separation chamber 4 is formed horizontally in the upper part of the gear case 2 of the engine 1, and a gas inlet 3 is formed at the starting end of the oil separation chamber 4. A blazer chamber 9 is formed in the inner part of the oil separation chamber 4, and the blow-by gas in the crank chamber 20a is configured to pass through the gear case 2, the gas inlet 3, the oil separation chamber 4, and the blazer chamber 9 in order to escape to the outside. It is something.
〈考案が解決しようとする問題点〉
しかしながら上記従来構造のものは、オイルを
含んだガスがガス入口３からオイル分離室４にそ
れぞれオイル分離されないまま流れ込み、その奥
部に設けたブレザ室９に至るように構成されてい
るため、オイル分離室４でオイルの分離性能を充
分高める事ができなかつた。<Problems to be solved by the invention> However, in the conventional structure described above, gas containing oil flows from the gas inlet 3 into the oil separation chamber 4 without being separated from the oil, and flows into the breather chamber 9 provided deep therein. Therefore, it was not possible to sufficiently improve the oil separation performance in the oil separation chamber 4.
本考案は、オイルの分離性能をさらに向上させ
ることを目的としてなされたものである。 The present invention was made with the aim of further improving oil separation performance.
〈問題点を解決するための手段〉
本考案は、例えば第１図に示すように、前記基
本構造を有するエンジンのクランク室ブレザ装置
において、ブローバイガスをガス入口３からオイ
ル分離室４に流入した直後に受止めるオイル分離
板６を、オイル分離室４の始端寄部の上壁部分２
ｂからオイル分離室４の全幅に亘つて下向きない
し斜下向きに突出させ、オイル分離板６で分離さ
れたオイルをオイル分離室４の始端寄側の下壁部
分５ａ上から受入れるオイル停留室７をオイル分
離室４の仕切壁５のオイル分離板６より風下側の
部分に風下側に伸びる袋穴状に形成し、オイル停
留室７の上壁部分７ａの前縁部７ｃをオイル分離
室４の全幅に亘つてオイル分離板６に対向させ、
当該前縁部７ｃとオイル分離板６の下縁部６ａと
の間に通気隙間８をあけ、オイル停留室７内の少
なくとも上部をガス入口３より高く位置させたこ
とを特徴とするものである。<Means for Solving the Problems> The present invention, as shown in FIG. The oil separation plate 6 to be received immediately after is placed on the upper wall portion 2 near the starting end of the oil separation chamber 4.
An oil retention chamber 7 is protruded downward or diagonally downward over the entire width of the oil separation chamber 4 from b, and receives the oil separated by the oil separation plate 6 from above the lower wall portion 5a on the side near the starting end of the oil separation chamber 4. A blind hole extending toward the leeward side is formed in the leeward side of the oil separation plate 6 of the partition wall 5 of the oil separation chamber 4, and the front edge 7c of the upper wall portion 7a of the oil retention chamber 7 is formed in the leeward side of the oil separation plate 6 of the oil separation chamber 4. facing the oil separation plate 6 over the entire width,
A ventilation gap 8 is provided between the front edge 7c and the lower edge 6a of the oil separation plate 6, and at least the upper part of the oil retention chamber 7 is positioned higher than the gas inlet 3. .
〈作用〉
ガス入口３からオイル分離室４内に流れ込むブ
ローバイガスをオイル分離板６で受け止めてその
流速を抑制し、オイル分離する。この分離したオ
イルはオイル分離板６より滴下して、オイル分離
室４の始端部下壁部分５ａ上に至る。<Operation> The blow-by gas flowing into the oil separation chamber 4 from the gas inlet 3 is received by the oil separation plate 6, its flow velocity is suppressed, and the oil is separated. The separated oil drips from the oil separation plate 6 and reaches the lower wall portion 5a of the starting end of the oil separation chamber 4.
そして、滴下の際に及び滴下後にオイルは、風
下側に伸びる袋穴状に形成したオイル停留室７内
に吹き流されて一旦停留し、その後、下壁部分５
ａを伝つてガス入口３よりギヤケース２内へ戻さ
れる。これにより、その滴下後のオイルがブロー
バイガスに吹き流されたり巻込まれたりしてオイ
ル分離室４の奥側へ出ていく事を防いでいる。 During and after the dripping, the oil is blown into the oil retention chamber 7 which is formed in the shape of a blind hole extending to the leeward side and temporarily stays there, and then the oil is blown into the oil retention chamber 7, which is formed in the shape of a blind hole extending toward the leeward side, and temporarily stays therein.
a, and is returned into the gear case 2 through the gas inlet 3. This prevents the dropped oil from being blown away or engulfed by the blow-by gas and going out to the back side of the oil separation chamber 4.
〈実施例〉
第１図は、本考案のブレザ装置を横型デイーゼ
ルエンジンに適用した実施例を示すもので、クラ
ンクケース側よりギヤケース内を見た断面図、第
２図は第１図の−矢視断面図、第３図は第１
図の−矢視断面図である。<Example> Figure 1 shows an example in which the blazer device of the present invention is applied to a horizontal diesel engine. A cross-sectional view, Figure 3 is the 1st
It is a sectional view taken along the - arrow in the figure.
ギギヤケース２の内部には、クランクギヤ２
１、カムギヤ２２、始動ギヤ２３や、燃料噴射ポ
ンプ２４及び図示しないガバナ装置などが収容さ
れている。 Inside the gear case 2, there is a crank gear 2.
1, a cam gear 22, a starting gear 23, a fuel injection pump 24, a governor device (not shown), etc. are accommodated.
ギヤケース２内の上部には、ブローバイガス中
のオイルを分離するオイル分離室４が横長に形成
され、これの始端部にガス入口３が、奥部にブレ
ザ室９が形成されている。 A horizontally elongated oil separation chamber 4 for separating oil in blow-by gas is formed in the upper part of the gear case 2, and a gas inlet 3 is formed at the starting end of the oil separation chamber 4, and a breather chamber 9 is formed at the inner part.
オイル分離室４は、ギヤケース２の周壁とその
内面から突設した仕切壁５及びクランクケース２
０から突設した接合突壁２０ａとによつて区画さ
れている。 The oil separation chamber 4 includes a peripheral wall of the gear case 2, a partition wall 5 protruding from the inner surface thereof, and the crank case 2.
It is divided by a joint protruding wall 20a that protrudes from 0.
オイル分離板６は第１図及び第２図に示すよう
に、ガス入口３の近傍の上壁部分２ｂからオイル
分離室４の全幅に亘つて下向きないし斜下向きに
突出され、ガス入口３から、オイル分離室４にガ
スが流入した直後にこのオイル分離板６でオイル
分離させるようにしてある。 As shown in FIGS. 1 and 2, the oil separation plate 6 protrudes downward or diagonally downward from the upper wall portion 2b near the gas inlet 3 over the entire width of the oil separation chamber 4. Immediately after gas flows into the oil separation chamber 4, the oil separation plate 6 separates the oil.
オイル分離室４の仕切壁５は、ガス入口３を開
口する始端寄部の下壁部分５ａと、オイル停留室
７を形成する上壁部分７ａとを含んで成る。 The partition wall 5 of the oil separation chamber 4 includes a lower wall portion 5 a near the starting end that opens the gas inlet 3 and an upper wall portion 7 a that forms the oil retention chamber 7 .
このオイル停留室７はオイル分離板６より風下
側に、同方向へ伸びる袋穴状に形成され、オイル
分離板６で分離したオイルを下壁部分５ａ上に滴
下させ、そのときガス流で風下側に押しやらせる
オイルをオイル停留室７内に一旦停留させ、その
後下壁部分５ａを伝つてガス入口３よりギヤ室２
Ａ内へ戻すようにしてある。 This oil retention chamber 7 is formed in the shape of a blind hole extending in the same direction on the leeward side of the oil separation plate 6, and allows the oil separated by the oil separation plate 6 to drip onto the lower wall portion 5a, and at this time, the oil is dropped downwind by the gas flow. The oil to be pushed to the side is temporarily stopped in the oil retention chamber 7, and then flows along the lower wall portion 5a and is sent to the gear chamber 2 from the gas inlet 3.
It is arranged to return to inside A.
また、第１図及び第２図に示すように、オイル
停留室７の上壁部分７ａの前縁部７ｃは、オイル
分離室の全幅に亘つてオイル分離板６に対向させ
て、突設され、当該前縁部７ｃとオイル分離板６
の下縁部６ａとの間にガスの通気隙間８が形成さ
れている。 Further, as shown in FIGS. 1 and 2, the front edge 7c of the upper wall portion 7a of the oil retention chamber 7 is provided in a protruding manner to face the oil separation plate 6 over the entire width of the oil separation chamber. , the front edge 7c and the oil separation plate 6
A gas ventilation gap 8 is formed between the lower edge 6a and the lower edge 6a.
ブレザ室９は鋳抜き形成されるブレザ弁室１３
を小判形のカバー１０で塞ぎ、このガバー１０に
透設した弁口１１をリード弁式のブレザ弁１２で
開閉させるように構成し、ブレザ室１３は仕切板
１４で膨張室１５と、ガス出口室１６とに区切ら
れている。符号１７はオイル流下口、１８は出口
管である。 The blazer chamber 9 is a blazer valve chamber 13 formed by casting.
is closed with an oval-shaped cover 10, and a valve port 11 provided through the cover 10 is opened and closed by a reed valve type breather valve 12, and a breather chamber 13 is separated from an expansion chamber 15 and a gas outlet by a partition plate 14. It is divided into 16 rooms. Reference numeral 17 is an oil flow port, and 18 is an outlet pipe.
なお第１図において、符号１９はクランクケー
ス２０に取付けられたオイルガード、２５及び２
６はそれぞれクランクケース２０に開口された連
通口及びブローバイガス連通口である。 In FIG. 1, reference numeral 19 indicates an oil guard, 25 and
Reference numerals 6 denote a communication port and a blow-by gas communication port opened in the crankcase 20, respectively.
以下作用を説明する。 The action will be explained below.
エンジン１のクランク室２０ａ内のブローバイ
ガスは、ギヤケース２内、ガス入口３、オイル分
離室４及びブレザ室９を順に通つて外部へ排出さ
れるが、ブローバイガス流は、オイル分離板に当
つて減速され、ブローバイガス中に含まれるオイ
ルは、先ず、オイル分離板６でオイル分離され、
オイル分離板６より滴下して、下壁部分５ａに至
る。そして、滴下後はガス流に押されてオイル停
留室７内に一旦停留し、その後下壁部分５ａを伝
つてガス入口３よりギヤケース２内へ戻される。
これにより、その滴下後のオイルがブローバイガ
スに吹き流されたり巻き込まれたりして、オイル
分離室４の奥へ出て行くのを防ぐこととなる。 The blow-by gas in the crank chamber 20a of the engine 1 passes through the gear case 2, the gas inlet 3, the oil separation chamber 4, and the breather chamber 9 in order and is discharged to the outside. The oil contained in the blow-by gas is decelerated and is first separated by an oil separation plate 6.
It drips from the oil separation plate 6 and reaches the lower wall portion 5a. After dropping, the oil is pushed by the gas flow and temporarily stays in the oil retention chamber 7, and then returns to the gear case 2 through the gas inlet 3 along the lower wall portion 5a.
This prevents the dropped oil from being blown away or caught up in the blow-by gas and going out to the back of the oil separation chamber 4.
このようにして、オイルは、オイル分離室４の
始端側で分離され、ブレザ室９に持込まれるオイ
ルをかなり減少させることができる。 In this way, the oil is separated at the beginning of the oil separation chamber 4 and the amount of oil brought into the blazer chamber 9 can be significantly reduced.
〈考案の効果〉
本考案は、前記ように構成され作用するもので
あるから、オイル分離室の始端側でオイル分離さ
せることができるからブレザ室内に持ち込まれる
オイルを大幅に減らす。<Effects of the Invention> Since the present invention is constructed and operates as described above, the oil can be separated at the starting end of the oil separation chamber, thereby significantly reducing the amount of oil carried into the blazer chamber.
従つて、従来のブレザ装置と比較して、オイル
の分離性能をさらに向上させることができる。 Therefore, the oil separation performance can be further improved compared to the conventional blazer device.
第１図は本考案の実施例を示すギヤケース内の
断面図、第２図は第１図の−矢視断面図、第
３図は第１図の−矢視断面図、第４図は従来
技術に係るギヤケース内の断面図である。
１……エンジン、２……ギヤケース、３……ガ
ス入口、４……オイル分離室、５……仕切壁、５
ａ……下壁部分、６……オイル分離板、６ａ……
下縁部、７……オイル停留室、７ａ……上壁部
分、７ｃ……上壁部分の前縁部、８……通気隙
間、９……ブレザ室。
Fig. 1 is a sectional view of the inside of a gear case showing an embodiment of the present invention, Fig. 2 is a sectional view taken in the - arrow direction of Fig. 1, Fig. 3 is a sectional view taken in the - arrow direction of Fig. 1, and Fig. 4 is a conventional It is a sectional view inside a gear case concerning technology. 1... Engine, 2... Gear case, 3... Gas inlet, 4... Oil separation chamber, 5... Partition wall, 5
a...Lower wall portion, 6...Oil separation plate, 6a...
Lower edge, 7...oil retention chamber, 7a...upper wall portion, 7c...front edge of upper wall portion, 8...ventilation gap, 9...breather chamber.
Claims (1)
離室４を横長に形成し、オイル分離室４の始端部
にガス入口３を形成するとともに、オイル分離室
４の奥部にブレザ室９を形成し、クランク室２０
ａ内のブローバイガスをギヤケース２内、ガス入
口３、オイル分離室４及びブレザ室９を順に通つ
て外部へ逃すように構成したエンジンのクランク
室ブレザ装置において、 ブローバイガスをガス入口３からオイル分離室
４に流入した直後に受止めるオイル分離板６を、
オイル分離室４の始端寄部の上壁部分２ｂからオ
イル分離室４のほぼ全幅に亘つて下向きないし斜
下向きに突出させ、オイル分離板６で分離された
オイルをオイル分離室４の始端寄側の下壁部分５
ａ上から受入れるオイル停留室７をオイル分離室
４の仕切壁５のオイル分離板６より風下側の部分
に風下側に伸びる袋穴状に形成し、オイル停留室
７の上壁部分７ａの前縁部７ｃをオイル分離室４
の全幅に亘つてオイル分離板６に対向させ、当該
前縁部７ｃとオイル分離板６の下縁部６ａとの間
に通気隙間８をあけ、オイル停留室７内の少なく
とも上部をガス入口３より高く位置させたことを
特徴とするエンジンのクランク室ブレザ装置。[Claims for Utility Model Registration] An oil separation chamber 4 is formed horizontally in the upper part of the gear case 2 of the engine 1, and a gas inlet 3 is formed at the starting end of the oil separation chamber 4. A blazer chamber 9 is formed in the crank chamber 20.
In an engine crank chamber blazer device configured so that blow-by gas in a is released to the outside through the gear case 2, the gas inlet 3, the oil separation chamber 4, and the blazer chamber 9 in order, the blow-by gas is separated from the oil from the gas inlet 3. An oil separation plate 6 that catches the oil immediately after it flows into the chamber 4,
The oil separation chamber 4 is made to protrude downward or diagonally downward from the upper wall portion 2b near the starting end over almost the entire width of the oil separation chamber 4, and the oil separated by the oil separation plate 6 is transferred to the starting end side of the oil separation chamber 4. Lower wall part 5 of
The oil retention chamber 7 that receives oil from above is formed in the leeward side of the oil separation plate 6 of the partition wall 5 of the oil separation chamber 4 in the shape of a blind hole extending toward the leeward side, and is located in front of the upper wall portion 7a of the oil retention chamber 7. The edge 7c is connected to the oil separation chamber 4
A ventilation gap 8 is provided between the front edge 7c and the lower edge 6a of the oil separation plate 6, and at least the upper part of the oil retention chamber 7 is connected to the gas inlet 3. An engine crank chamber blazer device characterized by being located higher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985103499U JPH0216008Y2 (en) | 1985-07-05 | 1985-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985103499U JPH0216008Y2 (en) | 1985-07-05 | 1985-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6212714U JPS6212714U (en) | 1987-01-26 |
| JPH0216008Y2 true JPH0216008Y2 (en) | 1990-05-01 |
Family
ID=30976111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985103499U Expired JPH0216008Y2 (en) | 1985-07-05 | 1985-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216008Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011115415A1 (en) * | 2011-10-08 | 2013-04-11 | Daimler Ag | Method for variably setting a compression ratio of a combustion chamber of an internal combustion engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595132U (en) * | 1982-07-01 | 1984-01-13 | 株式会社グロリア魔法瓶製作所 | thermos |
| JPS628315B2 (en) * | 1977-10-12 | 1987-02-21 | Sugawara Kenkyusho Kk |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0216007Y2 (en) * | 1985-06-28 | 1990-05-01 |
-
1985
- 1985-07-05 JP JP1985103499U patent/JPH0216008Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS628315B2 (en) * | 1977-10-12 | 1987-02-21 | Sugawara Kenkyusho Kk | |
| JPS595132U (en) * | 1982-07-01 | 1984-01-13 | 株式会社グロリア魔法瓶製作所 | thermos |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6212714U (en) | 1987-01-26 |
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