An outboard motor includes an engine, a propeller shaft, a propeller attached to the propeller shaft, a transmission to transmit rotation of the engine to the propeller shaft, an upper accommodation body accommodating at least a portion of the engine, a lower accommodation body accommodating at least a portion of the propeller shaft, and a steering to cause the lower accommodation body to rotate about a steering axis with respect to the upper accommodation body. The upper accommodation body includes an upper coolant channel. The lower accommodation body includes a lower coolant channel including a coolant intake port. A communication area between the upper and lower coolant channels is changeable according to a rudder angle of the steering.
OUTBOARD MOTOR AND BOAT
2023-12-28
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
POWER SUPPLY SYSTEM FOR OUTBOARD MOTOR, OUTBOARD MOTOR BOAT, AND OUTBOARD MOTOR
European Patent Office | 2016
|Power supply system for outboard motor, outboard motor boat, and outboard motor
European Patent Office | 2018
|