Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-12-23
1978-02-21
Lutter, Frank W.
Chemistry: physical processes
Physical processes
Crystallization
55276, 55346, 55385R, 55447, 55DIG25, 55DIG30, 60297, 60311, 181272, B01J 800, F01N 315, B01D 4512, B01D 5102
Patent
active
040749754
ABSTRACT:
A combination exhaust-gas cleaner and muffler for particular use in an exhaust system of an automotive engine incorporating in the exhaust system a catalytic converter using a granular catalyst which is responsible for emission of dust particles of oxides of base or noble metal, comprising at least one centrifugal separator for separating the dust particles from the exhaust gases by imparting a centrifugal force to the stream of the exhaust gases, a dust collection chamber communicating with the centrifugal separator for collecting therein the dust particles separated from the exhaust gases and at least one silencer chamber also in communication with the centrifugal separator for dampening out noises which are borne by the exhaust gases. For the purpose of growing up the ultrafine dust into coarse particles, a particle growing chamber stuffed with a flocculent metallic material such as steel wool may be located upstream of the centrifugal separator.
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Masaki Kenji
Nagaisi Hatuo
Tokura Naomi
Lutter Frank W.
Nissan Motor Company Limited
Prunner Kathleen J.
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