KR880010220A - 매트 담체/기체 서브조립체 및 촉매변환기의 제조방법 - Google Patents

매트 담체/기체 서브조립체 및 촉매변환기의 제조방법 Download PDF

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KR880010220A
KR880010220A KR1019880001012A KR880001012A KR880010220A KR 880010220 A KR880010220 A KR 880010220A KR 1019880001012 A KR1019880001012 A KR 1019880001012A KR 880001012 A KR880001012 A KR 880001012A KR 880010220 A KR880010220 A KR 880010220A
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gas
swelling
mat
catalytic converter
cell
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KR1019880001012A
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KR910001691B1 (ko
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엔소니 모틀리 마이클
죤 포머로이 케네스
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에이.디.하인즈
제너럴 모터즈 코오포레이션
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Classifications

    • 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
    • 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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • F01N3/2857—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets being at least partially made of intumescent material, e.g. unexpanded vermiculite
    • 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
    • F01N13/00—Exhaust 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
    • F01N13/009—Exhaust 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 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust 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 having two or more separate purifying devices arranged in series the purifying devices are arranged 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
    • 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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • F01N3/2864—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets comprising two or more insulation layers
    • 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • F01N2350/04—Fitting ceramic monoliths in a metallic housing with means compensating thermal expansion
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/10—Tubes having non-circular cross section
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49345—Catalytic device making
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49789—Obtaining plural product pieces from unitary workpiece
    • Y10T29/49798—Dividing sequentially from leading end, e.g., by cutting or breaking

Landscapes

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

Abstract

내용 없음

Description

매트 담체/기체 서브조립체 및 촉매변환기의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명에 따라 장치된 두 개의 세라믹기체(substrate)를 갖는 촉매변환기의 일부 측단면도,
제 2도는 촉매 모놀리스 변환기내의 종래 부풀음매트담체(mat support)를 나타내는 일부 절개평면도,
제 3도는 제 1도의 라인 3-3을 따르는 단면도.

Claims (6)

  1. 기체가 고정치수를 갖는 모놀리식 촉매변환기내에 장치되는 경우, 알려져 있지 않은 다양한 치수의 파열성기체(14', 15')주위의 부풀음매트(46, 47)의 장치밀도를 조절하는 방법에 있어서, 다음과 같은 단계 즉, 파열성기체(14', 15')를 랜덤하게 선택하는 단계 ; 및 상기 기체치수의변화를 보상하도록 소정치수의 매트/기체 서브조립체(110,114)를 달성하기 위하여 선택된 파열성 기체주위를 운모매트의 충분한 외선층으로 래핑하는 단계를 포함하며, 선택된 기체의 치수변화에 무관하게 상기 변환기 하우징(13)내에 장치되는 경우, 매트장치 밀도는 소정값내에 유지되도록 함을 특징으로 하는 부풀음 매트의 장치밀도 조절방법.
  2. 제 1항에 있어서, 파열성기체(14', 15')가 세라믹기체임을 특징으로 하는 부풀음 매트의 장치밀도 조절방법.
  3. 제 2항에 있어서, 상기 부풀음매트에 의해서 고정되는 모놀리식 세라믹기체(14', 15')를 갖는 촉매변환기를 소정 장치밀도로 조립하기 위하여, 다음과 같은 단계 즉, 다양한 외주치수를 갖는 상기 기체의 목록으로부터 모놀리식 기체(14', 15')를 선택하는 단계 ; 선택된 모놀리식기체(14', 15')의 외주치수를 측정하는 단계 ; 상기 외주치수의 측정에 의해서 미리 결정된 상기매트의 소정길이(108, 110)를 부풀음매트의 목록으로부터 선택하는 단계 ; 상기 소정길이의 매트를 모놀리식기체(14', 15')주위에 래핑하는 단계 : 및 래핑된 모놀리식기체(110, 114)를 하우징(13)내에 장치하는 단계를 포함하여, 매트의 소정길이(108, 112)가 변환기 사용중에 그것의 온도가 증가되는 경우, 하우징(13)내의 상기 조절된 장치밀도를 제공하도록 함을 특징으로 하는 부풀음 매트의 장치밀도 조절방법.
  4. 내연기관의 배출개스를 정화하는 촉매변환기에 있어서, 소정 외주치수의 관현금속셀(16, 18) ; 상기 셀에 의해서 에워싸여지고 상기 셀의 내부로부터 부풀음재료(46)의 제 1두께에 의해서 일정간격으로 배열되고 정렬되어 부재(10)를 통한 흐름이 셀의 축에 대하여 근본적으로 축상이 되도록 하는 제 1개스투과 세라믹 촉매부재(10) ; 상기 셀에 의해서 에워싸여지고 상기 셀의 내부로부터 부풀음재(47)의 제 2두께에 의해서 일정간격을 갖고 상기 제 1촉매 부재(10)와, 일련 흐름을 위해, 일련일직선 배열되어 부재(12)를 통한 흐름이 셀의 축에 대하여 근본적으로 축상이 되도록하는 제 2개스투과 세라믹 촉매부재(12)를 포함하고, 부풀음매트(46, 47)의 상기 제 1 및 제 2두께가 상기 제 1항에서 제 3항중의 어느 한 항을 따르는 방법에 의해서 형성되고 부풀음재(46)의 상기 제 1두께는 부풀음재(47)의 제 2두께보다 다른수의 층으로 형성되어 셀(16, 17)과 각각의 촉매부재(10, 12)사이의 다른공간을 보상하도록 함을 특징으로 하는 촉매변환기(catalyic convert)
  5. 제 4항에 있어서, 부풀음재(46, 47)의 제 1 및 제 2의 두께는 동일한 두께를 갖는 매트의 회선층에 의해서 형성됨을 특징으로 하는 촉매변환기.
  6. 제 4항에 있어서, 부풀음재(46, 47)의 제 1 및 제 2의 두께 각각은 촉매 부재주위를 회선형으로 래핑되는 시이트형의 부풀음재에 의해서 형성되고, 상기 시이트의 단부는 각각 촉매부재(10, 12)의 주변을 서로에 대해서 오프셋 되도록 하여 상기 층상의 부풀음재를 셀(16, 18)과 각각의 촉매부재(10, 12)사이의 공간에 균일하게 일치시키도록 함을 특징으로 하는 촉매변환기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880001012A 1987-02-13 1988-02-04 매트담체/기체 서브조립체 및 촉매변환기의 제조방법 KR910001691B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US014,283 1987-02-13
US07/014,283 US4750251A (en) 1987-02-13 1987-02-13 Mat support/substrate subassembly and method of making a catalytic converter therewith
US14,283 1987-02-13

Publications (2)

Publication Number Publication Date
KR880010220A true KR880010220A (ko) 1988-10-07
KR910001691B1 KR910001691B1 (ko) 1991-03-18

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KR1019880001012A KR910001691B1 (ko) 1987-02-13 1988-02-04 매트담체/기체 서브조립체 및 촉매변환기의 제조방법

Country Status (9)

Country Link
US (1) US4750251A (ko)
EP (1) EP0278597B1 (ko)
JP (1) JPS63201310A (ko)
KR (1) KR910001691B1 (ko)
AU (1) AU606914B2 (ko)
CA (1) CA1296647C (ko)
DE (1) DE3870900D1 (ko)
ES (1) ES2031233T3 (ko)
MX (1) MX169830B (ko)

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KR910001691B1 (ko) 1991-03-18
US4750251A (en) 1988-06-14
EP0278597A3 (en) 1990-01-10
JPS63201310A (ja) 1988-08-19
EP0278597A2 (en) 1988-08-17
MX169830B (es) 1993-07-27
DE3870900D1 (de) 1992-06-17
AU606914B2 (en) 1991-02-21
ES2031233T3 (es) 1992-12-01
CA1296647C (en) 1992-03-03
AU1077588A (en) 1988-08-18
EP0278597B1 (en) 1992-05-13

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