Exhaust system for internal combustion engines

Details Exhaust system for internal combustion engines Exhaust system for internal combustion engines

1980-07-23

1983-07-19

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

55276, 55DIG30, 60297, 60309, 60311, 181243, 181249, 181252, 181264, 181281, 422176, F01N 302, F01N 124, F01N 320

Patent

active

043936520

ABSTRACT:
The present invention provides an exhaust system comprising an elongated hollow casing having an upstream muffler chamber containing an insulated removable cartridge for sound absorbing and sound collecting, an intermediate chamber containing a removable spark and moisture arrester and a downstream chamber having a removable and replaceable cartridge containing exhaust gas purifying material. In one embodiment the cartridge provides dual chambers, one for absorbing and absorbing exhaust gas pollutants and the other for catalytic conversion of the same or different exhaust gases. The purifying cartridge is constructed of a foraminous material such as heat and corrosion resistant wire mesh or screen. Similarly, the muffler cartridge is an elongated hollow shell formed of a foraminous heat and corrosion resistant material such as wire mesh or screen. The annular space around the muffler cartridge is preferably filled with a heat-resistant, sound-absorbing, gas previous material. The purifier chamber is provided with guide vanes to direct the exhaust gases over the purifier material and through and out of the purifying chamber. In another embodiment the muffler cartridge is provided with a plurality of sound attenuating chambers.

REFERENCES:
patent: 3061416 (1962-10-01), Kazokas
patent: 3177650 (1965-04-01), Caruso
patent: 3421315 (1969-01-01), Aoi
patent: 3556735 (1971-01-01), Epelman
patent: 3563338 (1971-02-01), Rader
patent: 3860403 (1975-01-01), Aoi
patent: 4032310 (1977-06-01), Ignoffo
patent: 4054418 (1977-10-01), Miller

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