KR940005872A - 엔진의 배기가스정화장치 - Google Patents

엔진의 배기가스정화장치 Download PDF

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Publication number
KR940005872A
KR940005872A KR1019930015137A KR930015137A KR940005872A KR 940005872 A KR940005872 A KR 940005872A KR 1019930015137 A KR1019930015137 A KR 1019930015137A KR 930015137 A KR930015137 A KR 930015137A KR 940005872 A KR940005872 A KR 940005872A
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KR
South Korea
Prior art keywords
air
heater
exhaust gas
air inlet
pipe
Prior art date
Application number
KR1019930015137A
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English (en)
Other versions
KR950012142B1 (en
Inventor
야스히코 호소야
토시키 쿠로나
Original Assignee
기타오카 다카시
미쓰비시덴키 가부시키가이샤
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Application filed by 기타오카 다카시, 미쓰비시덴키 가부시키가이샤 filed Critical 기타오카 다카시
Publication of KR940005872A publication Critical patent/KR940005872A/ko
Application granted granted Critical
Publication of KR950012142B1 publication Critical patent/KR950012142B1/ko

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/24Exhaust 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
    • F01N3/30Arrangements for supply of additional air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/20Exhaust 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
    • F01N3/2006Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/18Exhaust 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
    • F01N3/22Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/24Exhaust 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
    • F01N3/30Arrangements for supply of additional air
    • F01N3/306Preheating additional air
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

방풍커버 (windbreak cover)는 열공기가 유입되도록하는 공기도입관과 히터의 주변상에 구성한다.
그 방풍커버는 그 히터와 공기도입관으로 불어오는 바람을 차단시킴과 동시에 그 차량을 주행시킨다. 그 히터나 공기도입관이 불어오는 바람에 의해 냉각되지 않을뿐만 아니라그 차랑이 주행하고 있어 그 배기관으로 도입하는 가열공기의 온도는 그 차량이 주행하여도 떨어지지 않는다. 그 결과, 도입되는 공기의 온도는 소정 의 레벨로 유지시킬 수 있으며, 그 배기가스를 일정하게 정차시킬 수 있도록 한다.

Description

엔진의 배기가스정화장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 제1의 이 발명에 의한 엔진의 배기가스정화장치에 사용되는 히터 (heater)의 단면도. 제2도는 제1도의 화살표 A방향에서 본. 히터에 전력공급을 하는 단자 부분 하나를 나타낸 정면도, 제3도는 제7의 이 발명에 의한 엔진의 배기가스 정화장치에 사용되는 공기도입관(air inktroducing pipe)의 단면도. 제4도는 제2의 이 발명에 의한 엔진의 배기가스 정화장치에 사용되는 히터의 단면도.

Claims (4)

  1. 촉매상류지점에서 가열공기를 도입하는 엔진의 배기가스 정화장치에 있어서. 배기관과, 그 배기관내에서 공기를 가열시키는 히터와. 공기도입관과, 그 히터와 공기도입관을 포위할 수 있게 그 열공기를 흐르도록하는 공기도입관과 히터의 주면에 설치한 방풍커버(windbreak cover)를 구성함을 특징으로 하는 위 엔지늬 배기가스정화 장치.
  2. 제1항에 있어서, 그 방풍커버에는 유입되는 물등을 배출시킬 수 있는 개구를 구성함을 특징으로 하는 위엔진배기가스 정화장치.
  3. 촉매의 상류지점에서 가열공기를 도입하는 인진의 배기가스정화장치애 있어서, 배기관과. 그 배기관내에서 공기를 가열시키는 히터와, 그 배기환내에서 촉매의 상류지점에서 그 공기를 도입하는 공기도입관과. 그 히터와 공기 도입관을 그 열절 연체가 포위할 수 있게 가열공기가 흐르도록 하는 그 열도입관과 히터의 주변에 구성된 열절연체를 구성함을 특징으로 하는 위 엔진의 배기가스 정화장치.
  4. 제3항에 있어서, 그 열절연체에는 2 분할체(two split halves)를 구비함을 특징으로 하는 위 엔진의 배기가스 정화장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR93015137A 1992-08-05 1993-08-04 Exaust gas purification appratus of engine KR950012142B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-208897 1992-08-05
JP4208897A JP2871963B2 (ja) 1992-08-05 1992-08-05 エンジンの排気ガス浄化装置

Publications (2)

Publication Number Publication Date
KR940005872A true KR940005872A (ko) 1994-03-22
KR950012142B1 KR950012142B1 (en) 1995-10-14

Family

ID=16563946

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93015137A KR950012142B1 (en) 1992-08-05 1993-08-04 Exaust gas purification appratus of engine

Country Status (4)

Country Link
US (1) US5549872A (ko)
JP (1) JP2871963B2 (ko)
KR (1) KR950012142B1 (ko)
DE (1) DE4326372C2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3277837B2 (ja) * 1996-03-15 2002-04-22 トヨタ自動車株式会社 変速機の制御装置
JP3389774B2 (ja) * 1996-03-22 2003-03-24 トヨタ自動車株式会社 自動変速機の制御装置
JPH09267663A (ja) 1996-03-29 1997-10-14 Komatsu Ltd 車両運行制御装置
US7963832B2 (en) * 2006-02-22 2011-06-21 Cummins Inc. Engine intake air temperature management system
KR101251517B1 (ko) * 2010-12-09 2013-04-05 현대자동차주식회사 배기가스 후처리 시스템

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Also Published As

Publication number Publication date
JPH0658141A (ja) 1994-03-01
JP2871963B2 (ja) 1999-03-17
US5549872A (en) 1996-08-27
KR950012142B1 (en) 1995-10-14
DE4326372C2 (de) 1996-10-31
DE4326372A1 (de) 1994-02-10

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