Exhaust device
AssigneeKawasaki Motors, Ltd.
InventorsAya NOGUCHI, Takafumi MATSUMOTO, Nozomu NAKAGAWA, Shigeki YAMAMOTO
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Abstract
An exhaust device includes: an exhaust chamber defining within an exhaust gas passage an expansion space in which exhaust gas is allowed to expand; a chamber inlet pipe coupled to the exhaust chamber and having a downstream end that is open to the expansion space; a first catalyst located in the exhaust gas passage upstream of the expansion space; and a second catalyst located in the chamber inlet pipe in opposition to the expansion space.
Claims9
An exhaust device that forms an exhaust gas passage through which exhaust gas from an engine is allowed to pass, and that purifies the exhaust gas and discharges the exhaust gas to an external environment, the exhaust device comprising:
- a casing component defining within the exhaust gas passage an expansion space in which the exhaust gas is allowed to expand;
- a communication pipe coupled to the casing component and having one end that is open to an outside of the expansion space and the other end that is open to the expansion space;
- a first catalyst located in the exhaust gas passage upstream of the expansion space;
- and
- a second catalyst located in the communication pipe in opposition to the expansion space.
Dependencies are inferred from the claim text.