Muffler and engine exhaust apparatus

Details Muffler and engine exhaust apparatus Muffler and engine exhaust apparatus

2011-04-05

2011-04-05

Martin, Edgardo San (Department: 2832)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S272000, C181S251000, C181S260000

Reexamination Certificate

active

07918311

ABSTRACT:
A muffling chamber is located between a first main body wall and a second main body wall with respect to a height direction. An outflow pipe includes: a first opening that connects an outflow passage with a muffling chamber in the vicinity of a first main body wall; and a second opening that connects the outflow passage with the muffling chamber in the vicinity of a second main body wall. The liquid staying on the first main body wall of a first muffler flows into the outflow passage through the first opening. The liquid staying on a second main body wall of a second muffler flows into the outflow passage through a second opening. Therefore, the symmetry of the first muffler and the second muffler is compatible with anti-corrosion.

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Office Action issued Sep. 15, 2010 in Chinese Application No. 200780029725.1 (With English Translation).

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