Title:
IDLE EXHAUST NOISE DECREASING STRUCTURE OF OUTBOARD MOTOR
Document Type and Number:
Japanese Patent JP3444439
Kind Code:
B2
Abstract:
PURPOSE: To effectively decrease exhaust noise in idling by easily forming an idle exhaust passage at a low cost, and eliminating possibilities of clogging and corrosion caused by the accumulation of water, in an idle exhaust noise decreasing structure of an outboard engine.
CONSTITUTION: In an outboard engine in which an exhaust passage vertically extending from an engine 8, and opening downward from the water level is formed, and an idle exhaust passage 40 is branched and formed upward from the water level of the exhaust passage, one part of the idle exhaust passage 40 is formed by a rubber hose 41 bent into a reversed U shape.
More Like This:
| JP2016160836 | OUTBOARD ENGINE |
| JP2014163287 | SHIP PROPULSION DEVICE, AND SHIP |
| JP2010248909 | EXHAUST DEVICE FOR OUTBOARD ENGINE |
Inventors:
Junichi Hasegawa
Yoshifumi Iwata
Yukio Sumikawa
Yoshifumi Iwata
Yukio Sumikawa
Application Number:
JP14556494A
Publication Date:
September 08, 2003
Filing Date:
June 03, 1994
Export Citation:
Assignee:
Yamaha Marine Co., Ltd.
International Classes:
B63H20/24; F01N1/08; F01N1/22; F01N3/04; F01N13/12; F02B61/04; F02B75/20; F02B75/02; F02B75/18; (IPC1-7): F01N7/12; B63H20/24; F01N1/08; F01N1/22
Domestic Patent References:
| JP4978639U | ||||
| JP54150741U | ||||
| JP5355192U |
Attorney, Agent or Firm:
Masahiko Yamaguchi
Previous Patent: FIXING DEVICE IN GAS FLOW PIPE INSPECTION EQUIPMENT INSERTER
Next Patent: CHAMBER FOR AIR SUPPLYING OR AIR DISCHARGING TOP
Next Patent: CHAMBER FOR AIR SUPPLYING OR AIR DISCHARGING TOP