Exhaust system of internal combustion engine

Details Exhaust system of internal combustion engine Exhaust system of internal combustion engine

2005-08-08

2008-08-26

Donovan, Lincoln (Department: 2837)

Acoustics

Sound-modifying means

Muffler, fluid conducting type

C181S269000, C181S227000, C181S275000, C181S251000, C181S268000, C181S257000, C181S249000, C181S253000

Reexamination Certificate

active

07416052

ABSTRACT:
In an exhaust system, exhaust manifolds are connected to two banks provided in a V-type engine of a vehicle, respectively, to which front pipes each having a catalytic converter are connected to the exhaust manifolds, respectively. A muffler is provided at an exhaust downstream side of the exhaust pipes, and a rear pipe is further connected to the exhaust downstream side of the muffler. The front pipe has its rear end portion located near a through hole formed in the rear pipe. A path length of one of the front pipes from the bank to the muffler is made shorter than that of the other front pipe.

REFERENCES:
patent: 2841236 (1958-07-01), Moerke
patent: 2985252 (1961-05-01), Morrish et al.
patent: 2004/0182643 (2004-09-01), Toyoshima
patent: A 07-164898 (1995-06-01), None
patent: A 11-200854 (1999-07-01), None

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