JPS63181596U - - Google Patents
Info
- Publication number
- JPS63181596U JPS63181596U JP7281487U JP7281487U JPS63181596U JP S63181596 U JPS63181596 U JP S63181596U JP 7281487 U JP7281487 U JP 7281487U JP 7281487 U JP7281487 U JP 7281487U JP S63181596 U JPS63181596 U JP S63181596U
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- gear case
- outboard motor
- engine
- drive
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図はこの考案の一実施例を示す一部を断面
とした側面図、第２図は第１図Ａ−Ａ線断面図、
第３図は従来の船外機を示す略示側面図、第４図
は第３図Ｂ−Ｂ線拡大断面図を示し、キヤビテー
シヨン発生位置を示す説明図である。
１……ドライブシヤフトハウジング、２……エ
ンジン、４……ギヤケース、５……プロペラシヤ
フト、６……プロペラ、９……エンジン冷却水供
給ポンプ、１１……水流出穴、１３……通路。
Fig. 1 is a partially sectional side view showing an embodiment of this invention, Fig. 2 is a sectional view taken along the line A-A in Fig. 1,
FIG. 3 is a schematic side view showing a conventional outboard motor, and FIG. 4 is an enlarged sectional view taken along the line B--B in FIG. 3, which is an explanatory view showing the position where cavitation occurs. 1... Drive shaft housing, 2... Engine, 4... Gear case, 5... Propeller shaft, 6... Propeller, 9... Engine cooling water supply pump, 11... Water outflow hole, 13... Passage.
Claims (1)
が搭載され、同下部にギヤケースが接続されてい
て、エンジンの回転をドライブシヤフトハウジン
グおよびギヤケース内の駆動力伝達機構を通じギ
ヤケース内のプロペラシヤフトを駆動し、プロペ
ラを回転して船体を推進させる船外機において、
前記プロペラの前方に対向するギヤケースの後端
部にプロペラ方向に向けて開口する水流出穴を設
け、この水流出穴の内端を船外機内のエンジン冷
却水供給ポンプの吐出側通路に連通したことを特
徴とする船外機のキヤビテーシヨン防止装置。 The engine is mounted on the top of the driveshaft housing, and the gear case is connected to the bottom of the same.The rotation of the engine is transmitted through the drive shaft housing and the drive force transmission mechanism inside the gear case to drive the propeller shaft inside the gear case, which rotates the propeller. In an outboard motor that propels a boat by
A water outflow hole opening toward the propeller is provided at the rear end of the gear case facing the front of the propeller, and an inner end of the water outflow hole is communicated with a discharge side passage of an engine cooling water supply pump in the outboard motor. A cavitation prevention device for an outboard motor, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7281487U JPS63181596U (en) | 1987-05-18 | 1987-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7281487U JPS63181596U (en) | 1987-05-18 | 1987-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63181596U true JPS63181596U (en) | 1988-11-24 |
Family
ID=30916597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7281487U Pending JPS63181596U (en) | 1987-05-18 | 1987-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63181596U (en) |
-
1987
- 1987-05-18 JP JP7281487U patent/JPS63181596U/ja active Pending
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