Spark arrester of muffler

Details Spark arrester of muffler Spark arrester of muffler

1998-05-22

2000-01-04

Simmons, David A.

Gas separation

Combined or convertible

In motor vehicle

55414, 55418, 55503, 55505, 55DIG20, F01N 306, B01D 5000

Patent

active

060105496

ABSTRACT:
A spark arrester includes a buffer plate against which exhaust gases discharged from the outlet end of a tail pipe strike directly. Upon impingement on the buffer plate, the exhaust gases become turbulent or agitated whereupon temperature distribution of the exhaust gases is made uniform. The buffer plate has a plurality of through-holes arranged to allow passage of the exhaust gases after the exhaust gases impinge against the buffer plate. After passing through the through-holes, the exhaust gases flow through a wire screen during which time sparks in the exhaust gases are caught by the wire screen. The exhaust gases are then guided downstream along a guide tube and finally released from an outlet end of the guide tube. A stream of exhaust gases discharged from the guide tube has only a limited length of high-temperature zone.

REFERENCES:
patent: 865189 (1907-09-01), Lamb
patent: 1532473 (1925-04-01), Byrne
patent: 2524588 (1950-10-01), Bechtel
patent: 2732026 (1956-01-01), Folts
patent: 3677364 (1972-07-01), Pawlina
patent: 3884655 (1975-05-01), Coop
patent: 5177962 (1993-01-01), Hall et al.

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