IC vehicle engine exhaust purifier - has pipe lining of platinum catalyst on heat resisting backing material

The backing material contains high temperature-resisting heat-insulating substances and is several mm, e.g. 3mm thick. The backing may be a wash coat of gamma-aluminium oxide contg heat-insulating glass and mineral fibres such as fibres made of SiO3, Fe2O3 and CaO. A platinum catalyst is evaporated...

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Bibliographic Details
Main Author SCHOLZ,RAINER
Format Patent
LanguageEnglish
German
Published 23.06.1977
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
WEAPONS
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Summary:The backing material contains high temperature-resisting heat-insulating substances and is several mm, e.g. 3mm thick. The backing may be a wash coat of gamma-aluminium oxide contg heat-insulating glass and mineral fibres such as fibres made of SiO3, Fe2O3 and CaO. A platinum catalyst is evaporated onto the backing. The arrangement allows rapid catalytic reaction while limiting external heat radiation.
Bibliography:Application Number: DE19752557725