KR940702582A - 배기가스 촉매변환기 - Google Patents

배기가스 촉매변환기

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Publication number
KR940702582A
KR940702582A KR1019940700992A KR19940700992A KR940702582A KR 940702582 A KR940702582 A KR 940702582A KR 1019940700992 A KR1019940700992 A KR 1019940700992A KR 19940700992 A KR19940700992 A KR 19940700992A KR 940702582 A KR940702582 A KR 940702582A
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South Korea
Prior art keywords
catalytic converter
exhaust gas
support
gas catalytic
heating element
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KR1019940700992A
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English (en)
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KR100225194B1 (ko
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위르겐 바이어
안드레아스 그뤼너
보우밀 훔폴릭
카를 로흐마르
토마스 라이메트
Original Assignee
볼프강 마우스, 지그프리트 니스
에미텍 게젤샤프트 퓌어 에미시온스테크놀로기 엠베하(Emitec Gesellschaft Fuer Emissionstechnologie Mbh)
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Publication of KR940702582A publication Critical patent/KR940702582A/ko
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Publication of KR100225194B1 publication Critical patent/KR100225194B1/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/33—Electric or magnetic properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2817—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates only with non-corrugated sheets, plates or foils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F01N3/2889—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with heat exchangers in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/30—Honeycomb supports characterised by their structural details
    • F01N2330/42—Honeycomb supports characterised by their structural details made of three or more different sheets, foils or plates stacked one on the other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)

Abstract

공지된, 특히 자동차의 내연기관용 배기가스 촉매변환기는 내식성 금속 쉬트로 만들어진 지지체를 가진다. 특히 상온 시동단계에서 그것의 효율을 개선시키기 위해 전기 전도 지지체를 전압원에 접속함으로써 지지체를 가열하는 것이 공지되어 있다.
이 경우 절연 갭 또는 절연 층이 지지체 내부에 배열되어 전류를 안내한다. 높은 기계적 강도를 가진 지지체를 간단히 제조하기 위해, 본 발명에 따른 배기가스 촉매 변환기(10)는 지지체(13)의 금속 쉬트(14,16) 및/또는 그것의 코팅에 열 접속된 적어도 하나의 자체 절연 가열소자(18,20)를 가진다. 본 발명은 자동차 내연기관의 배기가스 촉매변환기에 적용된다.

Description

배기가스 촉매변환기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예를 나타낸 종단면도이고, 제2도는 제1도의 선 Ⅱ-Ⅱ에 따른 단면도이며, 제3도는 제1도 및 2도의 실시예에 따른 지지체의 제조를 설명하기 위한 개략도이다.

Claims (25)

  1. 배기가스가 안내되는 흐름채널 내에 배치되고 외부에서 가열가능하며 금속 쉬트로 구성되고 배기가스를 통과시킬 수 있는 구조물을 가진 촉매코팅용 지지체를 포함하는, 특히 내연기관욘 배기가스 촉매변환기에 있어서, 구조물의 외부에 구조물로 부터 전기 절연되게 형성된 적어도 하나의 별도의 가열소자(18,84,95,119,134)가 제공되고, 상기 가열소자는 지지체(13,94,116,131)의 금속 쉬트(14,92,119,135)에 및/또는 그것의 코팅에 열접속되는 것을 특징으로 하는 배기가스 촉매변환기.
  2. 제1항에 있어서, 작은 직경을 가진 적어도 하나의 원통형 또는 비아형 전기 가열소자(18,20,95)가 제공되는 것을 특징으로 하는 배기가스 촉매변환기.
  3. 제1항 또는 2항에 있어서, 적어도 부분적으로 파형 금속 쉬트층(16)을 가지며, 적어도 하나의 비아형 가열소자(18,20)가 지지체(13)의 파형 쉬트에 고정되는 것을 특징으로 하는 배기가스 촉매변환기.
  4. 제3항에 있어서, 파형 쉬트(16)의 파형이 가열소자(18,29)의 직경에 매칭되는 것을 특징으로 하는 배기가스 촉매변환기.
  5. 제1항 내지 4항중 어느 한 항에 있어서, 지지체(13)가 적어도 하나의 나선형으로 감겨진 평형 쉬트(14)로 이루어지고, 평형 쉬트(14)의 총 사이에 배기가스가 통과할 수 있는 파형 쉬트층(16)이 배열되며, 다수의 바아형 가열소자(18,20,22,24)가 서로 간격을 두고 상기 파형 쉬트층(16)내로 삽입되는 것을 특징으로 하는 배기가스 촉매변환기.
  6. 제1항에 있어서, 평면 형태를 가지며 쉬트로서, 특히 평형 쉬트로서 지지체내에 수용되는 적어도 하나의 가열소자가 제공되는 것을 특징으로 하는 배기가스 촉매변환기.
  7. 제6항에 있어서, 전기 가열소자가 나선형으로 감겨진 쉬트, 특히 평형 쉬트로서 지지체내에 배열되도록 구부러질 수 있는 것을 특징으로 하는 배기가스 촉매 변환기.
  8. 제2항 내지 제7항 중 어느 한 항에 있어서, 적어도 하나의 전기 가열소자(18,20,22,24)의 마주놓인 단자(56,58)가 지지체(13)의 전면(17,19)으로 부터 빠져나와 전압원(34)에 접속되는 것을 특징으로 하는 배기가스 촉매변환기.
  9. 제8항에 있어서, 한 전면(17,19)에 속하는, 다수의 전기 가열소자(18,20,22,24)의 단자(56,58)가 서로 접속되고, 적어도 하나의 단자그룹이 지지체(13)의 케이싱 하우징(12)을 통해 안내되는 전류 케이블(30,32)을 갖는 것을 특징으로 하는 배기가스 촉매변환기.
  10. 구조화된 내식성 금속 쉬트(14,16)를 감거나 층층이 쌓음으로써 지지체를 만드는 제5항 내지 10항 중 어느 한 항에 따른 배기가스 촉매변환기의 제조방법에 있어서, 감거나 층층이 쌓기전에 구조화된 금속 쉬트(16)의 형상에 적합한 가열소자(18,20,22,24)를 서로 간격을 두고 구조화된 금속 쉬트(16) 내로 삽입한 다음 감거나 층층이 쌓아 지지체(13)를 만드는 것을 특징으로 하는 배기가스 촉매변환기의 제조방법.
  11. 제10항에 있어서, 지지체를 감을때 평형의 구부러질 수 있는 가열소자를 구조화된 금속 쉬트(14,16)와 함께 감는 것을 특징으로 하는 배기가스 촉매변환기의 제조방법.
  12. 제1항에 있어서, 지지체가 별형 와인딩 기술로 배열된 금속 쉬트로 이루어지고, 상기 지지체내에 지지체의 흐름구조에 매칭된 형상을 갖는 미리 성형된 가열소자(84)가 삽입되는 것을 특징으로 하는 배기가스 촉매변환기.
  13. 제12항에 있어서, 가열소자(82)가 3차원의 구불구불한 구를 갖는 것을 특징으로 하는 배기가스 촉매변환기.
  14. 제1항에 있어서, 지지체(94)내로 형성된 개구(96,98)내에서 금속 쉬트(92,93)에 대해 횡으로 배치되어 지지체(94)에 접속된 적어도 하나의 가열소자(95,97)가 지지체(97)에 제공되는 것을 특징으로 하는 배기가스 촉매변환기.
  15. 제14항에 있어서, 개구(96,98)의 영역에서 가열소자(95,97)가 지지체(94)에 납땜 및/또는 프레스 되는 것을 특징으로 하는 배기가스 촉매변환기.
  16. 제14항 또는 15항에 있어서, 가열소자(95,97)용 개구가 지지체(94)의 금속 쉬트(92,93)에 의해 지지(96,98)로 형성되는 것을 특징으로 하는 배기가스 촉매변환기.
  17. 제16항에 있어서, 금속 쉬트(92,93)가 지지대(96,98)의 영역에서 각지게 형성되고 가열소자(95,97)에 접속되는 것을 특징으로 하는 배기가스 촉매변환기.
  18. 제14항 또는 15항에 있어서, 가열소자용 개구가 지지체의 금속 쉬트내로 형성되는 것을 특징으로 하는 배기가스 촉매변환기.
  19. 제14항 내지 19항 중 어느 한 항에 있어서, 가열소자(95,97)가 흐름채널(91) 외부에 배치되는 단자(102,103)를 갖는 것을 특징으로 하는 배기가스 촉매변환기.
  20. 제14항 내지 19항 중 어느 한 항에 있어서, 적어도 하나의 전기 가열소자(95,97)가 제공되는 것을 특징으로 하는 배기가스 촉매변환기.
  21. 제20항에 있어서, 가열소자(95,97)가 재킷튜브(105)내에 배치된 가열코일(101)로 바아형태로 형성되는 것을 특징으로 하는 배기가스 촉매변환기.
  22. 제14항 내지 19항에 있어서, 가열소자(119,134)가 유체를 통과시킬 수 있는, 가열가능한 파이프(118,133)를 가지며, 상기 상기 파이프의 케이싱 측면은 지지체(116,135)에 접속되는 것을 특징으로 하는 배기가스 촉매변환기.
  23. 제22항에 있어서, 파이프(118,133)내에 적어도 하나의 전기 가열 와이어(119,134)가 놓이는 것을 특징으로 하는 배기가스 촉매변환기.
  24. 제22항 내지 23항에 있어서, 파이프(118,133)내에 내연기관의 냉각수가 흐르는 것을 특징으로 하는 배기가스 촉매변환기.
  25. 제1항 내지 24항 중 어느 한 항에 있어서, 지지체의 횡단면 및/또는 깊이에 분포되어 배치된 다수의 가열소자가 제공되는 것을 특징으로 하는 배기가스 촉매변환기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940700992A 1991-09-28 1992-09-15 배기가스 촉매변환기(exhaust gas catalytic converter) KR100225194B1 (ko)

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DE4132439A DE4132439A1 (de) 1991-09-28 1991-09-28 Abgaskatalysator
PCT/EP1992/002116 WO1993007364A1 (de) 1991-09-28 1992-09-15 Abgaskatalysator
DEP4132439.0 1994-09-28

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US5562885A (en) 1996-10-08
WO1993007364A1 (de) 1993-04-15
EP0605479A1 (de) 1994-07-13
ES2072769T3 (es) 1995-07-16
RU2100624C1 (ru) 1997-12-27
DE4132439A1 (de) 1993-04-01
CZ58094A3 (en) 1994-08-17
DE59202266D1 (de) 1995-06-22
MX9205465A (es) 1993-05-01
JP2528805B2 (ja) 1996-08-28
KR100225194B1 (ko) 1999-10-15
BR9206558A (pt) 1995-11-21
RU94017662A (ru) 1996-04-27
EP0605479B1 (de) 1995-05-17
TW209268B (ko) 1993-07-11

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