Exhaust apparatus for vehicle

Details Exhaust apparatus for vehicle Exhaust apparatus for vehicle

2005-11-29

2005-11-29

Fletcher, Marlon T. (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S241000, C181S243000, C181S251000, C181S268000, C181S269000, C181S272000, C181S255000, C055S307000, C055S315000, C055S319000, C055S385300, C055S391000, C055SDIG020, C055SDIG030

Reexamination Certificate

active

06968922

ABSTRACT:
An exhaust apparatus for a vehicle includes a spark arrester having a tubular spark arrester body assembled on a rear portion of a muffler connected to an exhaust pipe. A tail pipe is inserted in the spark arrester body and is mounted on the spark arrester such that exhaust gas flowing through the muffler is discharged into the atmospheric air from the tail pipe through the spark arrester, to carry out, expansion and contraction of exhaust gas in the spark arrester occurs to augment the sound reduction performance. An annular partition plate cooperates with an inner face of a spark arrester body to form a throttle path therebetween that is securely mounted on a tail pipe wherein a plurality of expansion chambers that communicate with each other through the throttle path are formed between the tail pipe and the spark arrester body with the annular partition plate disposed therebetween.

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