Muffler for compact combustion engines

Details Muffler for compact combustion engines Muffler for compact combustion engines

2005-04-26

2008-08-05

Donovan, Lincoln (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S258000, C181S264000, C181S265000, C181S268000, C181S269000, C181S272000, C060S299000, C060S300000, C060S301000, C060S302000

Reexamination Certificate

active

07407036

ABSTRACT:
To provide a muffler for a compact combustion engine, which is simple in structure and effective to sufficiently reduce the temperature of exhaust gases while avoiding contact with an external air, an exhaust guide passage7for communicating the exhaust gases (G) to a discharge port (63) is provided within an interior hollow of a muffler housing6defining an exhaust chamber (61) therein, and a side wall of this exhaust guide passage (7) is constituted by a portion (6W) of the muffler housing (6) and a duct wall (71) jointed to the muffler housing (6).

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