Title:
OUTBOARD MOTOR
Document Type and Number:
Japanese Patent JP2023163658
Kind Code:
A
Abstract:
To supply a proper amount of a coolant to an engine to cool the engine in an outboard motor.SOLUTION: An upper case 6 is disposed below an engine. A lower case 7 is disposed below the upper case. A drive shaft 8 extends downward from the engine. The drive shaft is disposed within the upper case and the lower case. A propeller shaft 9 is connected to the drive shaft. The propeller shaft extends in a front-back direction. The propeller shaft is disposed within the lower case. A coolant passage is connected to the engine. The coolant passage is disposed within the upper case and the lower case. A water pump 21 is disposed below a lower end of a bracket. The water pump delivers a coolant to the engine through the coolant passage. An electric motor 22 drives the water pump.SELECTED DRAWING: Figure 4
Inventors:
ONOE JUNYA
KOGA HIROKI
KADOBAYASHI YOSHIYUKI
SARUWATARI KIMITAKA
NOMA AKIHIRO
KOGA HIROKI
KADOBAYASHI YOSHIYUKI
SARUWATARI KIMITAKA
NOMA AKIHIRO
Application Number:
JP2022074703A
Publication Date:
November 10, 2023
Filing Date:
April 28, 2022
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD
International Classes:
B63H21/38; B63H20/28; F01P5/04; F01P11/04
Attorney, Agent or Firm:
Patent Attorney Corporation Shinju Global IP
Takuji Yamashita
Takuji Yamashita