CATALYST DEVICE

Provided is a catalyst device that makes it possible to efficiently purify exhaust gas. A catalyst device (36) that comprises: a carrier (42)that is formed by stacking and rolling a metal-foil-shaped flat plate (52) and a metal-foil-shaped corrugated plate (54) and that carries a catalyst; and an ou...

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Hauptverfasser: MAEDA Kazuhisa, HORIMURA Hiroyuki, TAKEDA Hiromitsu
Format: Patent
Sprache:eng ; fre ; ger
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creator MAEDA Kazuhisa
HORIMURA Hiroyuki
TAKEDA Hiromitsu
description Provided is a catalyst device that makes it possible to efficiently purify exhaust gas. A catalyst device (36) that comprises: a carrier (42)that is formed by stacking and rolling a metal-foil-shaped flat plate (52) and a metal-foil-shaped corrugated plate (54) and that carries a catalyst; and an outer cylinder (44) that houses the carrier (42) and supports the carrier (42) such that one end part (42a) of the carrier (42) is oriented toward an exhaust gas upstream side and another end part (42b) of the carrier (42) is oriented toward an exhaust gas downstream side. The flat plate (52) and the corrugated plate (54) have a plurality of holes (64) and are covered by a coating film that includes a catalyst substance. The coating film that covers the downstream side of the holes (64) is thicker than the coating film that covers the upstream side of the holes (64) .
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A catalyst device (36) that comprises: a carrier (42)that is formed by stacking and rolling a metal-foil-shaped flat plate (52) and a metal-foil-shaped corrugated plate (54) and that carries a catalyst; and an outer cylinder (44) that houses the carrier (42) and supports the carrier (42) such that one end part (42a) of the carrier (42) is oriented toward an exhaust gas upstream side and another end part (42b) of the carrier (42) is oriented toward an exhaust gas downstream side. The flat plate (52) and the corrugated plate (54) have a plurality of holes (64) and are covered by a coating film that includes a catalyst substance. 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A catalyst device (36) that comprises: a carrier (42)that is formed by stacking and rolling a metal-foil-shaped flat plate (52) and a metal-foil-shaped corrugated plate (54) and that carries a catalyst; and an outer cylinder (44) that houses the carrier (42) and supports the carrier (42) such that one end part (42a) of the carrier (42) is oriented toward an exhaust gas upstream side and another end part (42b) of the carrier (42) is oriented toward an exhaust gas downstream side. The flat plate (52) and the corrugated plate (54) have a plurality of holes (64) and are covered by a coating film that includes a catalyst substance. The coating film that covers the downstream side of the holes (64) is thicker than the coating film that covers the upstream side of the holes (64) .</abstract><oa>free_for_read</oa></addata></record>
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subjects BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
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
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
STEAM ENGINES
THEIR RELEVANT APPARATUS
TRANSPORTING
WEAPONS
title CATALYST DEVICE
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