Personal watercraft

In a personal watercraft equipped with a multi-cylinder engine including an exhaust collecting system configured to discharge an exhaust gas from the engine, the exhaust collecting system comprising a plurality of exhaust passages respectively corresponding to a plurality of cylinders provided in th...

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Bibliographic Details
Main Authors OKADA YASUO, OZAKI ATSUFUMI
Format Patent
LanguageEnglish
Published 06.03.2008
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:In a personal watercraft equipped with a multi-cylinder engine including an exhaust collecting system configured to discharge an exhaust gas from the engine, the exhaust collecting system comprising a plurality of exhaust passages respectively corresponding to a plurality of cylinders provided in the multi-cylinder engine, an exhaust collecting passage which is located downstream of the plurality of exhaust passages in a flow direction of the exhaust gas and is configured to collect the plurality of exhaust passages, a water jacket formed at an outer peripheral region of each of the plurality of exhaust passages, for cooling the exhaust gas flowing in the exhaust passages, and a connecting passage configured to connect at least two of the plurality of exhaust passages.
Bibliography:Application Number: US20070899975