KR930019994A - Air introduction device in exhaust pipe of internal combustion engine - Google Patents

Air introduction device in exhaust pipe of internal combustion engine Download PDF

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Publication number
KR930019994A
KR930019994A KR1019930002618A KR930002618A KR930019994A KR 930019994 A KR930019994 A KR 930019994A KR 1019930002618 A KR1019930002618 A KR 1019930002618A KR 930002618 A KR930002618 A KR 930002618A KR 930019994 A KR930019994 A KR 930019994A
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KR
South Korea
Prior art keywords
air
exhaust pipe
internal combustion
combustion engine
heating
Prior art date
Application number
KR1019930002618A
Other languages
Korean (ko)
Other versions
KR970001121B1 (en
Inventor
도시키 구로다
야스히코 호소야
히데아키 가타시바
Original Assignee
기타오카 다카시
미쓰비시덴키가부시키가이샤
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 기타오카 다카시, 미쓰비시덴키가부시키가이샤 filed Critical 기타오카 다카시
Publication of KR930019994A publication Critical patent/KR930019994A/en
Application granted granted Critical
Publication of KR970001121B1 publication Critical patent/KR970001121B1/en

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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
    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
    • 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
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • 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
    • F01N3/30—Arrangements for supply of additional air
    • F01N3/306—Preheating additional air
    • 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
    • F01N3/30—Arrangements for supply of additional air
    • F01N3/32—Arrangements for supply of additional air using air pump
    • 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

Landscapes

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

Abstract

엔진의 배기관내에 도입하는 공기를 가열해서 배기가스와의 산화반응효율을 높여 배기가스정화효율을 향상시킨다.The air introduced into the exhaust pipe of the engine is heated to increase the oxidation reaction efficiency with the exhaust gas, thereby improving the exhaust gas purification efficiency.

엔진(1)의 흡기관(2)과 배기관(5)사이에 접속되고, 외부로부터 공기를 도입하는 공기도입관(8)과, 이 공기도입관(8)에 도입된 공기를 가열하는 가열기(11)를 구비하고, 이 가열된 공기를 배기관(5)을 통해서 촉매컨버터(6)에 인도하도록 하였다.An air inlet pipe 8 connected between the intake pipe 2 and the exhaust pipe 5 of the engine 1 and introducing air from the outside, and a heater for heating the air introduced into the air inlet pipe 8 ( 11), and the heated air is led to the catalytic converter (6) through the exhaust pipe (5).

Description

내연기관의 배기관내 공기도입장치Air introduction device in exhaust pipe of internal combustion engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이 발명의 한 실시예에 의한 내연기관의 백기관내 공기도입장치의 구성을 표시하는 구성도.1 is a block diagram showing the configuration of an air introducing apparatus in a white engine of an internal combustion engine according to an embodiment of the present invention.

제2도는 이 발명의 다른 실시예에 의한 내연기관의 배기관내 공기도입장치의 구성을 표시하는 구성도.2 is a block diagram showing the configuration of an air introducing apparatus in the exhaust pipe of an internal combustion engine according to another embodiment of the present invention.

제3도는 이 발명의 다른 실시예에 의한 도입공기량의 시간적 변화를 표시하는 선도.3 is a diagram showing a temporal change in the amount of introduced air according to another embodiment of the present invention.

Claims (4)

내연기관의 흡기관과 배기관 사이에 접속되고, 외부로부터 공기를 도입하는 공기도입수단과, 이 공기도입수단에 도입된 공기를 가열하는 가열수단을 구비하고, 이 가열된 공기를 상기 배기관을 통해서 배기가스정화수단에 인도하도록 한 것을 특징으로 하는 내연기관의 배기관내 공기도입장치.It is connected between an intake pipe and an exhaust pipe of an internal combustion engine, and it has air introduction means which introduces air from the outside, and a heating means which heats the air introduced into this air introduction means, and exhausts this heated air through the said exhaust pipe. An air introducing apparatus in an exhaust pipe of an internal combustion engine, characterized by being guided to a gas purifying means. 내연기관의 흡기관과 배기관 사이에 접속되고, 외부로 부터 공기를 도입하는 공기도입수단과, 이 공기도입수단에 도입된 공기를 가열하는 가열수단과, 이 가열수단의 작동을 제어하는 제어수단을 구비하고, 상기 가열수단의 가열제어를 하면서 가열한 공기를 상기 기관을 통해서 재기가스정화수단으로 인도하게 한 것을 특징으로하는 내연기관의 배기관내 공기도입장치.Air introducing means connected between the intake pipe and the exhaust pipe of the internal combustion engine and introducing air from the outside, heating means for heating the air introduced into the air introducing means, and control means for controlling the operation of the heating means. And guide the heated air to the regeneration gas purifying means through the engine while performing heating control of the heating means. 내연기관의 입기관과 배기관사이에 접속되고, 외부로부터 공기를 도입하는 공기도입수단과, 이 공기도입수단에 도입되는 공기량을 조정하는 공기량조정수단과, 상기 공기도입수단에 도입된 공기를 가열하는 가열수단과, 상기 공기량조정주산 및 상기 가열수단의 작동을 제어하는 제어수단을 구비하고, 상기 배기관을 통해서 배기가스 정화수단에 인도하는 가열된 공기의 량을 조정하도록 한 것을 특징으로 하는 내연기관의 배기관내 공기도입장치.An air introduction means connected between the inlet pipe and the exhaust pipe of the internal combustion engine, for introducing air from the outside, an air amount adjusting means for adjusting the amount of air introduced into the air introducing means, and for heating the air introduced into the air introducing means. And a heating means and a control means for controlling the operation of the air quantity adjusting column and the heating means, and adjusting the amount of heated air to be directed to the exhaust gas purification means through the exhaust pipe. Air introduction device in exhaust pipe. 내연기관의 흡기관과 배기관 사이에 접속되고, 외부로부터 공기를 도입하는 공기도입수단과, 이공기도입수단에 도입되는 공기량을 조정하는 공기량조정수단과, 이공기량 도입수단에 도입된 공기를 가열하는 가열수단과, 상기 내연기관이 시동하기 전에 상기 가열수단을 작동시켜주고, 다음에 상기 공기량조정수단을 작동시키는 제어수단을 구비하고, 상기 내연기관 시동전에 가열된 공기를 상기 배기관을 통해서 배기가스전화수단에 인도하도록 한 것을 특징으로 하는 내연기관의 배기관내 공기도입장치.An air inlet means connected between the intake pipe and the exhaust pipe of the internal combustion engine, for introducing air from the outside, an air amount adjusting means for adjusting the air amount introduced into the air inlet means, and heating the air introduced into the air amount introducing means; A heating means and a control means for operating the heating means before starting the internal combustion engine, and then for operating the air amount adjusting means, and exhausting the heated air through the exhaust pipe before the internal combustion engine starts. A device for introducing air in an exhaust pipe of an internal combustion engine, characterized by being guided to a means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930002618A 1992-03-11 1993-02-24 Apparatus for introducing fresh air into exhaust pipe of internal combustion engine KR970001121B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5218192 1992-03-11
JP92-52181 1992-03-11
JP93-2097 1993-01-08
JP5002097A JPH05312034A (en) 1992-03-11 1993-01-08 Air introduction device into exhaust pipe of internal combustion engine

Publications (2)

Publication Number Publication Date
KR930019994A true KR930019994A (en) 1993-10-19
KR970001121B1 KR970001121B1 (en) 1997-01-28

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KR1019930002618A KR970001121B1 (en) 1992-03-11 1993-02-24 Apparatus for introducing fresh air into exhaust pipe of internal combustion engine

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JP (1) JPH05312034A (en)
KR (1) KR970001121B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101461891B1 (en) * 2013-02-20 2014-11-14 현대자동차 주식회사 Exhaust gas combustion system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101662394B1 (en) * 2014-09-30 2016-10-04 두산엔진주식회사 System for preheating of catalyst

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101461891B1 (en) * 2013-02-20 2014-11-14 현대자동차 주식회사 Exhaust gas combustion system

Also Published As

Publication number Publication date
JPH05312034A (en) 1993-11-22
KR970001121B1 (en) 1997-01-28

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