Outboard motor and marine vessel
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorKimitaka Saruwatari
Life of this patent
Estimating the term…
Abstract
An outboard motor includes an engine, a first cooling water passage to cool a first cooling target including the engine and through which first cooling water including water from outside an outboard motor body passes, a first pump to pump the first cooling water from outside the outboard motor body to the first cooling water passage, a second cooling water passage to cool a second cooling target different from the first cooling target and through which second cooling water different from the first cooling water passes, and a second pump to pump the second cooling water to the second cooling water passage.
Claims20
An outboard motor comprising:
- an engine;
- a first cooling water passage to cool a first cooling target including the engine and through which first cooling water including water from outside an outboard motor body passes;
- a first pump to pump the first cooling water from outside the outboard motor body to the first cooling water passage;
- a second cooling water passage to cool a second cooling target different from the first cooling target and through which second cooling water different from the first cooling water passes without passing through the engine;
- and
- a second pump to pump the second cooling water to the second cooling water passage.
A marine vessel comprising:
- a hull;
- and
- an outboard motor attached to the hull;
- wherein
- the outboard motor includes:
- an engine;
- a first cooling water passage to cool a first cooling target including the engine and through which first cooling water including water from outside an outboard motor body passes;
- a first pump to pump the first cooling water from outside the outboard motor body to the first cooling water passage;
- a second cooling water passage to cool a second cooling target different from the first cooling target and through which second cooling water different from the first cooling water passes without passing through the engine;
- and
- a second pump to pump the second cooling water to the second cooling water passage.
Dependencies are inferred from the claim text.