VARIABLE BASIS WEIGHT MOUNTING MAT OR PRE-FORM AND EXHAUST GAS TREATMENT DEVICE

An exhaust gas treatment device includes a housing, a fragile element disposed within the housing, and a mounting mat disposed between the fragile element and the housing for maintaining the positioning of the fragile element, absorbing mechanical shock, and providing thermal insulation. The mountin...

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Bibliographic Details
Main Author FERNANDES, SERGIO, DAVID, JR
Format Patent
LanguageEnglish
French
German
Published 20.06.2012
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:An exhaust gas treatment device includes a housing, a fragile element disposed within the housing, and a mounting mat disposed between the fragile element and the housing for maintaining the positioning of the fragile element, absorbing mechanical shock, and providing thermal insulation. The mounting mat includes a layer or sheet of inorganic fibers with a portion of the layer having a first basis weight and another portion having a second basis weight that is different from the first basis weight. The mat or a vacuum formed insulating pre-form having a variable basis weight in certain regions may be used as end cone insulation in exhaust gas treatment devices.
Bibliography:Application Number: EP20100808443