JPS59162397U

JPS59162397U - Outboard motor

Info

Publication number: JPS59162397U
Application number: JP5776183U
Authority: JP
Inventors: 小原　康司
Original assignee: スズキ株式会社
Priority date: 1983-04-18
Filing date: 1983-04-18
Publication date: 1984-10-30

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の船外機を示す一部破断面側面図、第２図
および第３−図は本考案に係る船外機の一実施例のニゲ
シーストチューブを示すもので、第２図はその断面側面
図、第３図はその正面図である。１・・・エンジン、３・・・ドライブシャフトハウジン
グ、３ａ・・・排気通路、１０・・・ニゲシーストチュ
ーブ、１０ａ・・・上部側壁、ＩＯＣ・・・下端開口、
１１゜１５．１６・・・孔、１２・・・ハウジング、１
７．１８・・・水抜き孔。FIG. 1 is a partially cutaway side view of a conventional outboard motor, and FIGS. is a cross-sectional side view thereof, and FIG. 3 is a front view thereof. DESCRIPTION OF SYMBOLS 1... Engine, 3... Drive shaft housing, 3a... Exhaust passage, 10... Nigeshiest tube, 10a... Upper side wall, IOC... Lower end opening,
11゜15.16...hole, 12...housing, 1
7.18...Drain hole.

Claims

[Scope of utility model registration request]

When moving forward, engine exhaust gas is discharged into the water through the lower end opening of the Nigeshiest tube and the exhaust passage of the drive shaft housing, and when idling,
In the outboard motor, the exhaust gas of the engine is discharged into the atmosphere through a hole formed in the upper side wall of the Nigge sheath tube, and a housing having a labyrinth is disposed on the upper side wall of the Nigge sheath tube. In addition, an outboard motor characterized in that the labyrinth is communicated with the hole, and a drain hole is formed at the bottom of the labyrinth.