Engine assembly for a vehicle having a hydrocarbon trap

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12071887
APP PUB NO 20240044274A1
SERIAL NO

18255917

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Importance

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Abstract

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An engine assembly for a vehicle includes an internal combustion engine and an exhaust system. The exhaust system includes a catalytic converter, a main muffler, a hydrocarbon trap, a pre-muffler disposed upstream from the main muffler and the hydrocarbon trap, and an exhaust path valve. The exhaust path valve is movable between first and second exhaust path positions. The exhaust path valve obstructs a second exhaust path in the first exhaust path position such that exhaust gas flows from an exhaust port of an engine cylinder to the catalytic converter to the main muffler and to the atmosphere. The exhaust path valve obstructs a first exhaust path in the second exhaust path position such that exhaust gas flows from the exhaust port of the engine cylinder to the catalytic converter to the hydrocarbon trap and to the atmosphere.

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Patent Owner(s)

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

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doppelbauer, Markus Gunskirchen, AT 8 23
Foxhall, Nigel Semriach, AT 7 13
Kusel, Heinz Pennewang, AT 16 112
Raffelsberger, Christian Scharnstein, AT 2 0
Rokita, Ralf Bad Wimsbach-Neydharting, AT 1 0
Schwab, Christian Gratwein-Strassengel, AT 4 6
Zarhuber, Matthias Thalheim bei Wels, AT 4 4
Zorn, Thomas Stadl-Paura, AT 6 0

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