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1. WO1996006269 - EXHAUST-GAS SYSTEM FOR AN INTERNAL-COMBUSTION ENGINE

Publication Number WO/1996/006269
Publication Date 29.02.1996
International Application No. PCT/EP1995/002842
International Filing Date 19.07.1995
Chapter 2 Demand Filed 15.01.1996
IPC
F01N 13/18 2010.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
13Exhaust or silencing apparatus characterised by constructional features
18Construction facilitating manufacture, assembly or disassembly
F01N 3/20 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08for rendering innocuous
10by thermal or catalytic conversion of noxious components of exhaust
18characterised by methods of operation; Control
20specially adapted for catalytic conversion
F01N 3/28 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08for rendering innocuous
10by thermal or catalytic conversion of noxious components of exhaust
24characterised by constructional aspects of converting apparatus
28Construction of catalytic reactors
F02B 75/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75Other engines, e.g. single-cylinder engines
02Engines characterised by their cycles, e.g. six-stroke
CPC
F01N 13/1827
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
13Exhaust or silencing apparatus characterised by constructional features ; ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
18Construction facilitating manufacture, assembly, or disassembly
1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
1827Sealings specially adapted for exhaust systems
F01N 3/2026
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
3Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08for rendering innocuous
10by thermal or catalytic conversion of noxious components of exhaust
18characterised by methods of operation; Control
20specially adapted for catalytic conversion
2006Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
2013using electric or magnetic heating means
2026directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate by joule effect
F02B 2075/027
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
75Other engines
02Engines characterised by their cycles, e.g. six-stroke
022having less than six strokes per cycle
027four
Y02A 50/2322
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
50in human health protection
20Air quality improvement or preservation
23Emission reduction or control
232Catalytic converters
2322for exhaust after-treatment of internal combustion engines in vehicles
Y02T 10/26
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
10Road transport of goods or passengers
10Internal combustion engine [ICE] based vehicles
20Exhaust after-treatment
26Thermal conditioning of exhaust after-treatment
Applicants
  • EMITEC GESELLSCHAFT FÜR EMISSIONSTECHNOLOGIE MBH [DE/DE]; Hauptstrasse 150 D-53797 Lohmar, DE (AllExceptUS)
  • BRÜCK, Rolf [DE/DE]; DE (UsOnly)
Inventors
  • BRÜCK, Rolf; DE
Agents
  • KAHLHÖFER, Hermann; Bardehle, Pagenberg, Dost, Altenburg, Frohwitter, Geissler & Partner Xantener Strasse 12 D-40474 Düsseldorf, DE
Priority Data
P 44 29 878.123.08.1994DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ABGASSYSTEM FÜR EINE VERBRENNUNGSKRAFTMASCHINE
(EN) EXHAUST-GAS SYSTEM FOR AN INTERNAL-COMBUSTION ENGINE
(FR) SYSTEME D'ECHAPPEMENT POUR MOTEUR A COMBUSTION INTERNE
Abstract
(DE)
Die Erfindung bezieht sich auf ein Abgassystem für eine Verbrennungskraftmaschine, insbesondere für eine Verbrennungskraftmaschine eines Fahrzeugs, vorzugsweise für einen Otto-Motor eines Fahrzeuges, mit einer im Abgassystem angeordneten, katalytisch wirkenden Einrichtung (4), die wenigstens einen in einem Gehäuse (12) angeordneten, elektrisch beheizbaren, vom Abgas durchströmbaren Wabenkörper (5) aufweist, der über elektrische Leitungen (9, 10) mit am Gehäuse (12) ausgebildeten Anschlüssen verbunden ist. Die Einrichtung (4) ist gegenüber dem Abgassystem elektrisch entkoppelt. Zur elektrischen Entkopplung der Einrichtung (4) gegenüber dem Abgassystem weist das Gehäuse eintritts- und ausstrittsseitig (6, 7) eine elektrische Isolierung (15) auf.
(EN)
The invention concerns an exhaust-gas system for an internal-combustion engine, in particular a vehicle internal-combustion engine, preferably a four-stroke vehicle internal-combustion engine. Located in the exhaust-gas system is a catalytic device (4) with at least one electrically heated honeycomb element (5) through which the exhaust gases flow, the honeycomb element being mounted in a housing (12) and connected by leads (9, 10) to terminals on the housing (12). The device (4) is electrically isolated from the exhaust-gas system. To isolate the device (4) from the exhaust-gas system, the housing has electrical insulation (15) at the gas-entry and gas-outlet ends (6, 7).
(FR)
L'invention concerne un système d'échappement pour moteur à combustion interne, notamment pour un moteur à combustion interne de véhicule, de préférence un moteur à allumage commandé. Il est prévu, dans le système d'échappement, un dispositif (4) à action catalytique, qui comprend au moins un corps à nid d'abeilles (5) placé dans un boîtier (12) et à travers lequel s'écoulent les gaz d'échappement. Ce corps à nid d'abeilles est relié par des conducteurs électriques (9-10) à des bornes formées sur le boîtier (12). Le dispositif (4) est électriquement isolé du système d'échappement. Afin d'isoler électriquement le dispositif (4) du système d'échappement, le boîtier comporte une isolation électrique (15) située côté entrée et côté sortie.
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