Watercraft having a four stroke engine with a supercharger

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7552721
APP PUB NO 20070068465A1
SERIAL NO

11456395

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A personal watercraft is disclosed with a hull, a seating assembly, and a four stroke internal combustion engine below the seating assembly. The engine has at least one intake valve for each of the combustion cylinder chambers, at least one exhaust valve for each of the combustion cylinder chambers, and a valve actuation assembly located in a cylinder head for operating the intake and exhaust valves. At least one air intake passageway is operatively coupled to the combustion cylinder chambers through the intake valves. An air intake manifold is connected to the cylinder head and operatively connected to the at least one air intake passageway. The engine also has a supercharger for boosting air to the air intake manifold. The watercraft also includes a propulsion unit, operatively coupled to the crankshaft, which is located on one end of the two ends of the crankcase.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
BRP-ROTAX GMBH & CO KGROTAXSTRASSE 1 GUNSKIRCHEN A-4623

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hochmayr, Markus Krenglbach, AT 18 186
Stockhammer, Joseph Steinerkirchen, AT 1 7
Tscherne, Rudolf Buchkirchen, AT 11 173
Wolfsgruber, Alois Gmunden, AT 10 247

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