Jet-propulsion watercraft
AssigneeKawasaki Jukogyo Kabushiki Kaisha
InventorsYoshimoto Matsuda, Hironori Tomari
Life of this patent
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Abstract
A jet-propulsion watercraft comprises: an engine; an oil tank provided independently of the engine, for reserving engine oil; and a water jet pump driven by the engine, the water jet pump pressurizing and accelerating water taken in from outside of the watercraft and ejecting the water from the outlet port to propel the watercraft as a reaction of the ejecting water, and the muffler is provided behind the engine and on one of right and left sides of the watercraft and the oil tank is provided behind the engine and on the other side of the watercraft.
Claims18
A jet-propulsion watercraft comprising:
- an engine;
- an oil tank provided independently of the engine, for reserving engine oil;
- and
- a water jet pump driven by the engine, the water jet pump pressurizing and accelerating water taken in from outside of the watercraft and ejecting the water from the outlet port to propel the watercraft as a reaction of the ejecting water, wherein
- the muffler is provided behind the engine and on one of right and left sides of the watercraft and the oil tank is provided behind the engine and on the other side of the watercraft.
A jet-propulsion watercraft comprising:
- an engine;
- an oil tank provided independently of the engine, for reserving engine oil;
- and
- a water jet pump driven by the engine, the water jet pump pressurizing and accelerating water taken in from outside of the watercraft and ejecting the water from the outlet port to propel the watercraft as a reaction of the ejecting water, wherein
- the oil tank is provided with a cooling water passage, and
- the engine oil reserved in the oil tank is cooled by water being supplied from the water jet pump to the cooling water passage.
A jet-propulsion watercraft comprising:
- an engine;
- an oil tank provided independently of the engine, for reserving engine oil;
- and
- a water jet pump driven by the engine, the water jet pump pressurizing and accelerating water taken in from outside of the watercraft and ejecting the water from the outlet port to propel the watercraft as a reaction of the ejecting water, wherein
- the oil tank is tubular and is provided such that its longitudinal direction corresponds with a vertical direction, and the oil tank is provided at an upper portion with an inlet through which engine oil from the engine flows into the oil tank and at a lower portion with an outlet through which the engine oil to the engine flows to outside of the oil tank, wherein
- the inlet is provided on a side wall of the oil tank such that the inlet is offset from a center axis of the oil tank to allow the engine oil flowing into the oil tank to swirl.
Dependencies are inferred from the claim text.