Outboard motor
AssigneeSuzuki Motor Corporation
InventorTomokazu Hikosaka
Life of this patent
Estimating the term…
Abstract
An outboard motor includes a power source, a drive shaft, a propeller shaft, a propeller attached to the propeller shaft, a case covering the power source, the drive shaft, and the propeller shaft, a water intake passage provided in the case, through which water is taken into the case from an outside of the outboard motor, a first pump configured to be driven by rotation of the drive shaft and to supply the water taken in from the water intake passage to the power source as cooling water, and a second pump configured to be driven by rotation of the drive shaft and to supply the water taken in from the water intake passage to the power source as the cooling water. The first pump and the second pump are arranged in a distributed manner in the outboard motor.
Claims6
An outboard motor for propelling a boat, the outboard motor comprising:
- a power source provided at an upper portion of the outboard motor;
- a drive shaft extending in an up-down direction from the power source toward a lower portion of the outboard motor and configured to be rotated by a rotational output of the power source;
- a propeller shaft provided at the lower portion of the outboard motor and configured to be rotated by rotation of the drive shaft;
- a propeller attached to the propeller shaft;
- a case covering the power source, the drive shaft, and the propeller shaft;
- a water intake passage provided in the case, through which water is taken into the case from an outside of the outboard motor;
- a first pump configured to be driven by rotation of the drive shaft and to supply the water taken in from the water intake passage to the power source as cooling water;
- and
- a second pump configured to be driven by rotation of the drive shaft and to supply the water taken in from the water intake passage to the power source as the cooling water,
- wherein the first pump and the second pump are arranged in a distributed manner in the outboard motor.
Dependencies are inferred from the claim text.