KR890008433A - 촉매전환 시스템 - Google Patents

촉매전환 시스템 Download PDF

Info

Publication number
KR890008433A
KR890008433A KR1019880008195A KR880008195A KR890008433A KR 890008433 A KR890008433 A KR 890008433A KR 1019880008195 A KR1019880008195 A KR 1019880008195A KR 880008195 A KR880008195 A KR 880008195A KR 890008433 A KR890008433 A KR 890008433A
Authority
KR
South Korea
Prior art keywords
valleys
downstream
outlet
cross
inlet
Prior art date
Application number
KR1019880008195A
Other languages
English (en)
Other versions
KR950012140B1 (ko
Inventor
쥬니어 왈터 마이클 프레즈
윌리암 패터슨 로버트
조지프 워를 마이클
허만 엘바 로버트
Original Assignee
스테런 이.레비스
유나이티드 테크놀로지스 코오포레이숀
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 스테런 이.레비스, 유나이티드 테크놀로지스 코오포레이숀 filed Critical 스테런 이.레비스
Publication of KR890008433A publication Critical patent/KR890008433A/ko
Application granted granted Critical
Publication of KR950012140B1 publication Critical patent/KR950012140B1/ko

Links

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
    • 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
    • F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/913—Vortex flow, i.e. flow spiraling in a tangential direction and moving in an axial direction
    • 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

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)
  • Electrically Driven Valve-Operating Means (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

내용 없음

Description

촉매 전환 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 특징을 포함하는 2차원 디퓨저의 개략 단면도.
제2도는 제1도의 방향 2-2의 단면도.
제3도는 본 발명의 특징을 포함하는 3차원 디퓨저의 개략 단면도.
제4도는 제3도의 방향 3-3의 단면도.
＊ 도면의 주요부분에 대한 부호의 설명
100 : 디퓨저 102 : 주유동 방향
104 : 입구 106 : 유동통로
108 : 측벽 110 : 상부 분기벽
112 : 하부 분기벽 116 : 상류부분
118 : 골 120 : 마루
122 : 하류부분

Claims (5)

  1. 제1단면 유동 면적의 출구를 갖는 개스 전달관, 상기 제1단면 유동면적 보다 큰 제2단면 유동면적의 입구를 가지고, 상기 전달관 출구의 하류에 이격되고 그리고 내부에 촉매 베드를 포함하는 수용관, 및 상기 출구를 상기 입구에 연결하는 유동 표면을 갖는 디퓨저를 한정하는 중간관을 포함하는 촉매 전환 시스템에 있어서, 상기 디퓨저 유동표면은 이 유동 표면의 매끈하게 파동하는 부분을 형성하도록 다수의 하류로 연장되며, 교대하는 인접한 U형 골과 마루를 포함하고, 상기 파동하는 부분은 웨이브형상의 출구 가장자리로서 종결되고, 상기 골과 마루는 상기 전달관에서 0깊이와 높이로 시작하여 상기 웨이브형 가장자리에서 최대 깊이와 높이로 증가하고, 상기 골과 마루는 각각의 골이 한쌍의 큰 스케일의 반대로 회전하는 소용돌이를 발생시키도록 치수의 형상이 형성되고, 각각의 소용돌이는 상기 하류방향으로 연장되는 축을 중심으로 회전 하고, 상기 웨이브형 가장자리에는 단면 유동면적의 단계적 증가가 있고 그리고 상기 웨이브형 출구 가장자리는 상기 촉매 베드로부터 상류에 이격되는 것을 특징으로 하는 촉매 전환 시스템.
  2. 제1항에 있어서, 상기 촉매 베드는 모놀리식 구조인 것을 특징으로 하는 촉매 전환 시스템.
  3. 제1항에 있어서, 상기 골 각각은 하류방향에 대해 약 5°이하의 경사를 갖는 하류로 연장된 플로어를 갖는 것을 특징으로 하는 촉매 전환 시스템.
  4. 제3항에 있어서, 상기 마루 각각은 상기 하류 방향에 실질상 평행하게 하류로 연장되는 피이크를 갖는 것을 특징으로 하는 촉매 전환 시스템.
  5. 제3항에 있어서, 상기 전달관 출구는 원형이며 상기 수용관 입구는 원형이고, 그리고 상기 골의 깊이 치수는 상기 타원형 입구의 장축에 실질한 평행한 것을 특징으로 하는 촉매 전환 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880008195A 1987-11-23 1988-06-30 촉매 전환 시스템 KR950012140B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12432587A 1987-11-23 1987-11-23
US124,325 1987-11-23

Publications (2)

Publication Number Publication Date
KR890008433A true KR890008433A (ko) 1989-07-10
KR950012140B1 KR950012140B1 (ko) 1995-10-14

Family

ID=22414205

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008195A KR950012140B1 (ko) 1987-11-23 1988-06-30 촉매 전환 시스템

Country Status (7)

Country Link
EP (1) EP0318413B1 (ko)
JP (1) JPH01142210A (ko)
KR (1) KR950012140B1 (ko)
CA (1) CA1302842C (ko)
DE (2) DE318413T1 (ko)
NO (1) NO172508C (ko)
YU (1) YU111788A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020042369A (ko) * 2000-11-30 2002-06-05 이계안 기류음 저감형 배기 파이프

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110560A (en) * 1987-11-23 1992-05-05 United Technologies Corporation Convoluted diffuser
US5408828A (en) * 1993-12-10 1995-04-25 General Motors Corporation Integral cast diffuser for a catalytic converter
CN1044932C (zh) * 1994-07-14 1999-09-01 财团法人工业技术研究院 机车用管状式触媒净化装置
US9109466B2 (en) * 2011-07-22 2015-08-18 The Board Of Trustees Of The Leland Stanford Junior University Diffuser with backward facing step having varying step height
CN109184863B (zh) * 2018-09-30 2020-11-20 潍柴动力股份有限公司 一种scr混合***及其scr混合器
US11549422B1 (en) 2021-12-06 2023-01-10 Tenneco Automotive Operating Company Inc. Exhaust system for a combustion engine including a flow distributor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB436331A (en) * 1933-11-20 1935-10-09 Degea Ag Auergesellschaft Improvements in and relating to exhaust filters
US3953176A (en) * 1973-05-22 1976-04-27 Texas Instruments Incorporated Catalytic converter
DE2843365C2 (de) * 1978-10-05 1986-07-31 Daimler-Benz Ag, 7000 Stuttgart Einlaufstutzen zum gleichmäßigen Einleiten von Verbrennungsmotorabgasen
SE450274B (sv) * 1985-12-13 1987-06-15 Saab Scania Ab Katalysatorhus ingaende i ett fordons avgassystem
US4789117A (en) * 1986-12-29 1988-12-06 United Technologies Corporation Bodies with reduced base drag
DE3733402A1 (de) * 1987-10-02 1989-04-13 Emitec Emissionstechnologie Katalysatoranordnung mit stroemungsleitkoerper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020042369A (ko) * 2000-11-30 2002-06-05 이계안 기류음 저감형 배기 파이프

Also Published As

Publication number Publication date
EP0318413A1 (en) 1989-05-31
DE318413T1 (de) 1989-12-28
NO882446D0 (no) 1988-06-03
DE3873037T2 (de) 1993-02-25
EP0318413B1 (en) 1992-07-22
YU111788A (en) 1991-02-28
NO882446L (no) 1989-05-24
JPH01142210A (ja) 1989-06-05
NO172508B (no) 1993-04-19
DE3873037D1 (de) 1992-08-27
CA1302842C (en) 1992-06-09
KR950012140B1 (ko) 1995-10-14
NO172508C (no) 1993-07-28

Similar Documents

Publication Publication Date Title
US4971768A (en) Diffuser with convoluted vortex generator
KR920002425A (ko) 디퓨저
US4731229A (en) Reactor and packing element for catalyzed chemical reactions
US5058703A (en) Automotive exhaust noise attenuator
KR890008433A (ko) 촉매전환 시스템
US5150573A (en) Catalyst arrangement with flow guide body
KR890010477A (ko) 디퓨져 장치
US5099879A (en) Combustion air flow stabilizer
KR970706064A (ko) 교차형 배열의 마이크로 조직을 갖춘 금속 벌집체(microstructures in an intersecting arrangement)
US6187274B1 (en) Turbulence inducer in a catalytic converter channel
ATE163568T1 (de) Statischer mikro-vermischer
EP1132587A3 (en) Combination catalytic converter and filter
RU2215163C2 (ru) Монолитный металлический сотовый элемент с варьируемым количеством каналов и способ его изготовления
RU97106789A (ru) Микроструктуры с перекрестным расположением
IE39935L (en) Fishway
KR920703976A (ko) 나선흐름의 촉매 지지체를 가진 배기관
KR920012800A (ko) 도관내의 전향손실을 감소시키기 위한 메카니즘
US4915878A (en) Packing structure especially for use in a column mainly for contacting liquid and gas phases
KR900003498A (ko) 순환식 풀장
EP0244335B1 (en) Diffuser
GB2037006A (en) Fluid diffuser assembly
US3847186A (en) Corrugated conduit
CA1083451A (en) Solar energy collector
JPH0663358A (ja) 脱硝反応器
IT1216084B (it) Sistema di riduzione della resistenza aerodinamica in corpi abase tronca.

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee