JPS6326247B2 - - Google Patents
Info
- Publication number
- JPS6326247B2 JPS6326247B2 JP59156400A JP15640084A JPS6326247B2 JP S6326247 B2 JPS6326247 B2 JP S6326247B2 JP 59156400 A JP59156400 A JP 59156400A JP 15640084 A JP15640084 A JP 15640084A JP S6326247 B2 JPS6326247 B2 JP S6326247B2
- Authority
- JP
- Japan
- Prior art keywords
- breather
- outboard motor
- engine
- crankshaft
- breather chamber
- 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
- 239000003921 oil Substances 0.000 description 11
- 230000001012 protector Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
【発明の詳細な説明】
イ 発明の目的
〔産業上の利用分野〕
本発明は船外機のエンジンに設置するブリーザ
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION A. Object of the Invention [Field of Industrial Application] The present invention relates to a breather device installed in an outboard motor engine.
船外機のエンジンは、クランク軸と垂直の駆動
軸とを直結する関係上、クランク軸が垂直をなす
いわゆるバーチカル型エンジンを備えるのが一般
である。
Outboard motor engines are generally equipped with a so-called vertical type engine in which the crankshaft is vertical because the crankshaft is directly connected to a vertical drive shaft.
そしてエンジンにはブリーザ装置が必要である
が、バーチカル型エンジンの場合、クランクケー
スの側面は略全周にわたつて油がはね掛るため、
ブリーザ装置はクランクケースの上面に設置され
る。 The engine requires a breather device, but in the case of a vertical engine, oil is splashed almost all around the side of the crankcase, so
The breather device is installed on the top surface of the crankcase.
ところが船外機は横に倒して運搬・保管するの
で、そのときクランクケース内の油がブリーザ装
置の孔から漏れないように注意する必要がある。
However, since outboard motors are transported and stored while lying on their side, care must be taken to prevent the oil in the crankcase from leaking from the hole in the breather device.
本発明は船外機を横に倒す都度、油漏れに注意
しなければならない面倒を省くことを目的とす
る。 An object of the present invention is to eliminate the trouble of having to be careful about oil leakage every time an outboard motor is laid down.
ロ 発明の構成
〔問題点を解決するための手段〕
本発明は図面に示すようにバーチカル型エンジ
ン１を備えた船外機のエンジン１の上部におい
て、クランク軸２を通る船外機の前後方向の線Ｘ
−Ｘに対してその一方の側にブリーザ室３を配置
し、そのブリーザ室３の吐出口に接続したブリー
ザパイプ４の出口４Ａをクランク軸２を通る船外
機の前後方向の線Ｘ−Ｘに対してブリーザ室３と
反対側に位置させたことを特徴とする。B. Structure of the Invention [Means for Solving Problems] As shown in the drawings, the present invention is directed to the longitudinal direction of the outboard motor passing through the crankshaft 2 in the upper part of the engine 1 of the outboard motor equipped with the vertical engine 1. line X
- A breather chamber 3 is arranged on one side of It is characterized by being located on the opposite side of the breather chamber 3.
エンジン１の運転に伴つて霧状の油を含むクラ
ンクケース内のブローバイガスがブリーザ室３に
入り、そこで油を分離され、パイプ４を経て外に
出る。
As the engine 1 operates, blow-by gas in the crankcase containing mist oil enters the breather chamber 3, where the oil is separated and exits through the pipe 4.
運搬または保管に際し、船外機をブリーザ室３
が下になる側に倒すとブリーザパイプ４の出口４
Ａはクランク軸２よりも高い位置となり、万一油
がブリーザ室３に流入しても外に出ることはな
い。 When transporting or storing the outboard motor, place it in the breather room 3.
If you turn it down, exit 4 of breather pipe 4 will appear.
A is positioned higher than the crankshaft 2, and even if oil should flow into the breather chamber 3, it will not come out.
上記とは反対側に倒した場合は、ブリーザ室３
がクランク軸２よりも高くなるので油は出ない。 If it is tilted to the opposite side from the above, breather chamber 3
is higher than crankshaft 2, so no oil comes out.
図示の実施例について構造を説明すると、バー
チカル型エンジン１は、垂直の駆動軸を収容支持
したエクステンシヨンケース５の上部に取付け、
カバーケース６で覆われている。エクステンシヨ
ンケース２の下端にはプロペラ７が軸受け支持さ
れ、駆動軸と傘歯車機構を介して連結されてい
る。
To explain the structure of the illustrated embodiment, a vertical engine 1 is attached to the upper part of an extension case 5 that accommodates and supports a vertical drive shaft.
It is covered with a cover case 6. A propeller 7 is supported by a bearing at the lower end of the extension case 2, and is connected to a drive shaft via a bevel gear mechanism.
上記船外機は、スターンブラケツト８と締付ね
じ９によつてボートＢのトランザムボードＢ１に
取付けられる。 The outboard motor is attached to the transom board B1 of the boat B by means of a stern bracket 8 and a tightening screw 9.
上記カバーケース６の操縦ハンドル１７が取付
けられている側と反対側の面にケースプロテクタ
１８が前後２個突出している。船外機を横倒しに
するときは上記ケースプロテクタ１８を下にする
ものである。 Two case protectors 18 protrude from the surface of the cover case 6 opposite to the side on which the operating handle 17 is attached. When the outboard motor is laid down on its side, the case protector 18 is placed downward.
ブリーザ室３はクランクケース１０の上面にお
いて、クランク軸２に対しケースプロテクタ１８
がある側にクランクケース１０と一体に設けられ
ている。 The breather chamber 3 is located on the upper surface of the crankcase 10, and the case protector 18 is connected to the crankshaft 2.
It is provided integrally with the crankcase 10 on the side where the crankcase is located.
ブリーザ室３の中は筒壁１１、障壁１２等によ
つて迷路を成し、筒壁１１の下端はクランクケー
ス内に開口し、上端にはブリーザバルブ１３が載
つている。 The inside of the breather chamber 3 forms a labyrinth with a cylindrical wall 11, a barrier 12, etc. The lower end of the cylindrical wall 11 opens into the crankcase, and the breather valve 13 is mounted on the upper end.
ブリーザ室３の上面は、内部の点検・清掃がで
きるように着脱可能の蓋１４で覆われている。蓋
１４はその一部に形成した突起１５によつて、上
記ブリーザバルブ１３の浮上範囲を規制してい
る。 The upper surface of the breather chamber 3 is covered with a removable lid 14 so that the interior can be inspected and cleaned. The lid 14 restricts the floating range of the breather valve 13 by a projection 15 formed on a portion thereof.
ブリーザ室３の底面には小径の油戻し孔１６が
開いており、また吐出口にはブリーザパイプ４が
挿入されており、そのパイプ４はクランク軸２を
通る船外機の前後方向の線Ｘ−Ｘに対してブリー
ザ室３と反対側に延びて出口４Ａは下を向いてい
る。ブリーザパイプ４の途中はクランプ部材１９
によつてクランクケース１０の上面に止められて
いる。 A small diameter oil return hole 16 is opened in the bottom of the breather chamber 3, and a breather pipe 4 is inserted into the discharge port, and the pipe 4 is connected to a line X in the longitudinal direction of the outboard motor passing through the crankshaft 2. -X extends to the opposite side of the breather chamber 3, and the outlet 4A faces downward. There is a clamp member 19 in the middle of the breather pipe 4.
It is fixed to the upper surface of the crankcase 10 by.
クランクケース１０の上方に突出したクランク
軸２の上端に、ブリーザ室３、ブリーザパイプ４
を覆うようにフライホイール２０が固着されてい
る。エンジンの潤滑油はクランクケース１０の側
面に設けたキヤツプ２１付注油口２２から入れ
る。 A breather chamber 3 and a breather pipe 4 are provided at the upper end of the crankshaft 2 that protrudes above the crankcase 10.
A flywheel 20 is fixed so as to cover the. Lubricating oil for the engine is supplied through an oil filler port 22 with a cap 21 provided on the side of the crankcase 10.
ハ 発明の効果
本発明ブリーザ装置は上記のようにバーチカル
型エンジン１を備えた船外機のエンジン１の上部
において、クランク軸２を中央にしてその一方の
側にブリーザ室３を配置し、そのブリーザ室３の
吐出口に接続したブリーザパイプ４の出口４Ａを
クランク軸２を通る船外機の前後方向の線Ｘ−Ｘ
に対してブリーザ室３と反対側に位置させたもの
であるから、船外機を運搬または保管のため横に
倒した場合、ブリーザ室３およびブリーザパイプ
４を経てクランクケース１０内のエンジン潤滑油
が漏出するおそれがなくて、船外機を横倒しにす
る都度油漏れに注意する面倒がない。C. Effects of the Invention As described above, the breather device of the present invention has a breather chamber 3 disposed on one side of the upper part of the engine 1 of the outboard motor equipped with the vertical engine 1, with the crankshaft 2 in the center. A line X-X in the longitudinal direction of the outboard motor passing through the crankshaft 2 and the outlet 4A of the breather pipe 4 connected to the discharge port of the breather chamber 3
Since this is located on the opposite side of the breather chamber 3, when the outboard motor is laid down for transportation or storage, the engine lubricating oil in the crankcase 10 passes through the breather chamber 3 and the breather pipe 4. There is no risk of oil leaking, and there is no need to worry about oil leaks every time you put the outboard motor on its side.
第１図は本発明ブリーザ装置を実施する船外機
の側面図、第２図は本発明ブリーザ装置の蓋を除
いた平面図、第３図はその従断側面図。
１はバーチカル型エンジン、３はクランク軸、
３はブリーザ室、４はブリーザパイプ、４Ａは出
口。
FIG. 1 is a side view of an outboard motor implementing the breather device of the present invention, FIG. 2 is a plan view of the breather device of the present invention with the lid removed, and FIG. 3 is a sectional side view thereof. 1 is a vertical engine, 3 is a crankshaft,
3 is the breather chamber, 4 is the breather pipe, and 4A is the outlet.
Claims (1)
ジンの上部において、クランク軸を通る船外機の
前後方向の線に対してその一方の側にブリーザ室
を配置し、そのブリーザ室の吐出口に接続したブ
リーザパイプの出口をクランク軸を通る船外機の
前後方向の線に対してブリーザ室と反対側に位置
させた船外機におけるエンジンのブリーザ装置。1 At the top of the engine of an outboard motor equipped with a vertical engine, a breather chamber is arranged on one side of the outboard motor's longitudinal line passing through the crankshaft, and connected to the discharge port of the breather chamber. An engine breather device for an outboard motor in which the outlet of the breather pipe is located on the opposite side of the breather chamber with respect to the longitudinal line of the outboard motor passing through the crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15640084A JPS6134309A (en) | 1984-07-26 | 1984-07-26 | Engine breather device for outboard motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15640084A JPS6134309A (en) | 1984-07-26 | 1984-07-26 | Engine breather device for outboard motors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6134309A JPS6134309A (en) | 1986-02-18 |
| JPS6326247B2 true JPS6326247B2 (en) | 1988-05-28 |
Family
ID=15626907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15640084A Granted JPS6134309A (en) | 1984-07-26 | 1984-07-26 | Engine breather device for outboard motors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6134309A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0187628U (en) * | 1987-12-03 | 1989-06-09 | ||
| DE4331571A1 (en) * | 1992-09-16 | 1994-03-17 | Honda Motor Co Ltd | Blow-by gas circulation system for four-stroke IC engine - has air suction unit on engine air inlet with gas blow-by passage located to act without disturbance |
-
1984
- 1984-07-26 JP JP15640084A patent/JPS6134309A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0187628U (en) * | 1987-12-03 | 1989-06-09 | ||
| DE4331571A1 (en) * | 1992-09-16 | 1994-03-17 | Honda Motor Co Ltd | Blow-by gas circulation system for four-stroke IC engine - has air suction unit on engine air inlet with gas blow-by passage located to act without disturbance |
| DE4331571C2 (en) * | 1992-09-16 | 1998-11-19 | Honda Motor Co Ltd | Device for recycling crankcase ventilation gases for a four-stroke engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6134309A (en) | 1986-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |