Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate
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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Kobayashi Masanori
Yuasa Tsuneyoshi
Donovan Lincoln
Kawasaki Jukogyo Kabushiki Kaisha
Luks Jeremy
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