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US 2017/0361913 A1Published application
Jet propelled watercraft and jet propulsion assembly
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorKoichiro MOROTA
Life of this patent
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Abstract
A jet propelled watercraft includes a first exhaust pipe connected to an exhaust port, a catalyst storage connected to the first exhaust pipe, a second exhaust pipe connected to the catalyst storage, and a water lock connected to the second exhaust pipe. The catalyst storage and the water lock are located outward in a width direction with respect to the exhaust port of the engine in a plan view of the jet propelled watercraft.
Claims20
A jet propelled watercraft comprising:
- a watercraft body;
- an engine housed in the watercraft body and provided with an exhaust port on a side surface in a width direction that is perpendicular to a longitudinal direction of the watercraft body;
- a first exhaust pipe connected to the exhaust port;
- a catalyst storage connected to the first exhaust pipe;
- a second exhaust pipe connected to the catalyst storage;
- and
- a water lock connected to the second exhaust pipe;
- wherein
- the catalyst storage overlaps with the side surface of the engine in a side view of the jet propelled watercraft;
- and
- the catalyst storage and the water lock are located outward in the width direction with respect to the exhaust port of the engine in a plan view of the jet propelled watercraft.
8 more elements
A jet propulsion assembly comprising:
- an engine housed in a watercraft body and provided with an exhaust port on a side surface in a width direction that is perpendicular to a longitudinal direction of the watercraft body;
- a first exhaust pipe connected to the exhaust port;
- a catalyst storage connected to the first exhaust pipe;
- a second exhaust pipe connected to the catalyst storage;
- and
- a water lock connected to the second exhaust pipe;
- wherein
- the catalyst storage overlaps with the side surface of the engine in a side view of the jet propulsion assembly;
- and
- the catalyst storage and the water lock are located outward in the width direction with respect to the exhaust port of the engine in a plan view of the jet propulsion assembly.
7 more elements
Dependencies are inferred from the claim text.