JPS6193236A - Ｄｐｆシステムを備えたデイ−ゼルエンジンの燃料増量装置 - Google Patents

Ｄｐｆシステムを備えたデイ−ゼルエンジンの燃料増量装置

Info

Publication number
JPS6193236A
JPS6193236A JP59213972A JP21397284A JPS6193236A JP S6193236 A JPS6193236 A JP S6193236A JP 59213972 A JP59213972 A JP 59213972A JP 21397284 A JP21397284 A JP 21397284A JP S6193236 A JPS6193236 A JP S6193236A
Authority
JP
Japan
Prior art keywords
lever
fuel injection
fuel
accelerator pedal
dpf
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP59213972A
Other languages
English (en)
Inventor
Satoshi Kume
粂　智
Kazuo Koga
古賀　一雄
Takeo Kume
久米　建夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
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 Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Priority to JP59213972A priority Critical patent/JPS6193236A/ja
Priority to EP89101930A priority patent/EP0321451A3/en
Priority to DE8585103723T priority patent/DE3580606D1/de
Priority to EP85103723A priority patent/EP0158887B1/en
Priority to US06/717,848 priority patent/US4719751A/en
Priority to KR1019850002145A priority patent/KR890003592B1/ko
Publication of JPS6193236A publication Critical patent/JPS6193236A/ja
Priority to US07/145,772 priority patent/US4835964A/en
Priority to KR1019890005118A priority patent/KR890003594B1/ko
Priority to KR1019890005119A priority patent/KR890003595B1/ko
Priority to KR1019890005117A priority patent/KR890003593B1/ko
Pending legal-status Critical Current

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
    • F01N3/18—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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • 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
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with 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
    • F01N3/30—Arrangements for supply of 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
    • F01N3/36—Arrangements for supply of additional fuel
    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/08—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the pneumatic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/08—Introducing corrections for particular operating conditions for idling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1448—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an exhaust gas pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/401—Controlling injection timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D43/00—Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment
    • 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
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
    • 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
    • F01N2330/06—Ceramic, e.g. 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
    • F01N2390/00—Arrangements for controlling or regulating exhaust apparatus
    • F01N2390/02—Arrangements for controlling or regulating exhaust apparatus using electric components 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/02—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by cutting out a part of engine cylinders
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0421—Methods of control or diagnosing using an increment counter when a predetermined event occurs
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F02D2041/0022—Controlling intake air for diesel engines by throttle control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0812—Particle filter loading
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/32—Air-fuel ratio control in a diesel engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/406—Electrically controlling a diesel injection pump
    • F02D41/408—Electrically controlling a diesel injection pump of the distributing type
    • 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
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 この発明は、ディーゼルパティキュレートフィルタシス
テを備えたディーゼルエンジン、特に燃料噴射タイミン
グの遅角により排気温を上昇させてディーゼルパティキ
ュレートフィルタの再生を助けるタイプのシステムを備
えたディーゼルエンジンの燃料増量装置に関する。
ディーゼルパテ、イキュレートフィルタ（以下、ＤＰＦ
と略称する６）は、ディーゼルエンジンの排気中に含ま
れるすすと未燃炭化化合物からなるディーゼルパティキ
ュレートを捕集するためのフィルタである。このフィル
タに捕集されたディーゼルパティキュレートは、エンジ
ンの高負荷運転時にはその排気温によって燃焼されるが
、部分負荷時には十分に燃焼されずに残り、排気路を塞
ぐことになる。このため部分負荷時にこの捕集されたデ
ィーゼルパティキュレートを強制的に燃焼させるための
ＤＰＦ再生システムの研究が多くなされている。
ＤＰＦ再生システムの一つとして１本願出願人が先に出
願した特願昭５８−１２８７８１号明細書その他に示さ
れているような、燃料噴射タイミングの遅角により排気
温を上昇させてディーゼルパティキュレートを燃焼させ
る方法がある。この方法は、しかしながら噴射タイミン
グの遅角によりエンジン出力が低下するため、運転者が
同一車速で運転しようとする場合には、アクセルペダル
を余分に踏み込んでやる必要があり、またフィルタの再
生が終ったとたんに急加速されて危険が生じることもあ
る。このような噴射タイミングの遅角によるドライバビ
リティの低下は、ＥＩＰ（エレクトロニク・インジェク
ション・ポンプ）の使用等による高度な電子制御により
防止することが可能であるが、コスト高になる問題点が
ある。
この発明は、したがって噴射タイミングの遅角によりＤ
ＰＦの再生を行なうシステムを備えたディーゼルエンジ
ンにおいて、ＤＰＦ再生時に簡単な構成により安価に燃
料噴射量を増量させることのできる燃料増量装置を提供
することにある。
この発明による燃料増量装置は、アクセルペダルと燃料
噴射ポンプの燃料噴射量制御レバーとを結合するリンク
機構に、ＤＰＦシステムの制御部からのリタード（遅角
）信号に同期してこのリンク機構におけるレバー比を燃
料増量側に変化させるレバー比可変手段を備えている。
ＤＰＦ再生時にリタード信号が発せられると、アクセル
ペダルリンク機構におけるレバー比が燃料増量側に変化
するので、同じアクセルペダル開度でも燃料増量が行な
われて、出力の低下そしてドライバビリティの低下が免
かれる。
以下、この発明を添付図面を参照して説明する。
第６図に示すように、アクセルペダル１と燃料噴射ポン
プの燃料噴射量制御レバー（以下、ポンプレバーと略称
する。）２とは、ワイヤ３により連結されてリンク機構
を構成している。ポンプレバー２には、これを燃料減量
側へ付勢するためのリターンスプリング４が設けられて
いる。通常は、アクセルペダル１にもこれを燃料減量側
へ付勢するリターンスプリングが設けられており、アク
セルペダル１の開度は、ポンプレバー２の開度にほぼ１
対１で対応している。また、ポンプレバー２の開度は、
第７図に示すように燃料噴射量に比例し、燃料噴射量は
、第８図に示すように出力（トルク）に比例し、燃料噴
射が正規のタイミングから遅角した場合に出力が低下す
る。
このように、アクセル開度が一定でも、噴射タイミング
を遅角させると出力が低下するので、ＤＰＦ再生のため
に噴射タイミングを遅角させた場合には、燃料噴射量を
増加させて出力の低下を防止する必要があり、これを簡
単な構成により安価に行なうことがこの発明の狙いであ
る６第１図には、この発明の一実施例が示されている。
アクセルペダル１とポンプレバー２とを連結するワイヤ
３は、その途中を中間レバー５を介して結合されている
。中間レバー５は、第２図および第３図に示すように、
揺動中心軸６とは反対側に長穴７を有し、この長穴７に
一方をストッパリング８により抜は止めを施され、他方
にバキュームモータ９のアクチュエーティングロッド９
ａに枢着されたピン１０が滑動可能に設けられている。
このピン１０には、ポンプレバー２側のワイヤ３ａの一
端が結合され、アクセルペダル１側のワイヤ３ｂの一端
は、中間レバー５の突起５ａに結合されている。
バキュームモーター９（こは、第１図に示すように、二
方口電磁弁１１を介して真空タンク１２に接続されてい
る。この電磁弁１１は、ＤＰＦ再生システムの制御部で
あるＥＣＵ１３によって制御される。
電磁弁１１がオフの通常の状態においては、バキューム
モータ９は大気に連通し、そのアクチュエーティングロ
ッド９ａは延びてピン１０が中間レバー５の長穴７の最
下端位置Ｐ１に位置している。この状態で、アクセルペ
ダル１とポンプレバー２とを連結するワイヤ３ａ、３ｂ
は一直線に延びて、アクセルペダル１の開度とポンプレ
バー２の開度とがほぼ１対１に対応するようになってい
る。
エンジン回転数、アクセルペダル開度、ＤＰＦ上流の排
圧等の信号によりＥＣＵ　１３が叶Ｆの再生時機を判断
すると、ＥＣＵ　１３からリタード（遅角）信号が出力
されて噴射ポンプの噴射タイミングが遅角されると同時
に、電磁弁工１をオンさせる信号が出力されて、バキュ
ームモータ９は真空タンク１２に連通される。これによ
りアクチュエーティングロッド９ａが吸引されて、ピン
１０が長穴７の最上端位置Ｐ２に位置し、中間レバー５
の揺動中心軸６からの距離が長くなって、ポンプレバー
２に対するレバー比が大きくなり、その分だけポンプレ
バー２が燃料増量側に揺動して、同じアクセル開度でも
余計に燃料が噴かれることなる。
このようなレバー比可変手段は、第４図に示すようにポ
ンプレバー２に設けてもよく、第５図に示すようにアク
セルペダル１に設けてもよい。ポンプレバー２に設ける
場合は、ＤＰＦ非再生時にはピン１０が長穴７の最上端
位置Ｐ２に位置し、ＤＰＦ再生時にはピン１０が長穴７
の最下端位置Ｐ１に位置するように構成する。これによ
り、ＤＰＦ非再生時にはアクセルペダル１に対するレバ
ー比が１対１であったものが、ＤＰＦ再生時にはこれよ
りも小さくなり、同じアクセル開度でもポンプレバー２
の揺動量が大きくなって余計に燃料が噴かれるようにな
る。
以上のように、この発明による燃料増量装置は、アクセ
ルペダルと燃料噴射ポンプの燃料噴射量制御レバーとを
結合するリンク機構に、ＤＰＦシステムの制御部からの
リタード信号に同期してこのリンク機構におけるレバー
比を燃料増量側に変化させるレバー比可変手段を備えて
いるので、ＤＰＦ再生時に簡単な構成により安価に燃料
噴射量を増量させることができ、出力およびドライバビ
リティの低下を未然に防止することができる。
【図面の簡単な説明】
第１図はこの発明の一実施例を示す概略構成図、第２図
は第１図に示す実施例の主要部の構成図、第３図は第２
図のＡ−、Ａ断面図、第４図はこの発明の別の実施例を
示す概ａｌｆｔ構成図、第５図はこの発明のさらに別の
実施例を示す概略構成図、第６図はアクセルペダルとポ
ンプレバーとをワイヤで結合したリンク機構を示す図、
第７図はポンプレバー開度と燃料噴射量の関係を示すグ
ラフ、第８図は燃料噴射量と出力（トルク）との関係を
示すグラフである。 １・・・アクセルペダル、２・・・ポンプレバー、３・
・・ワイヤ、４・・・リターンスプリング、５・・・中
間レバー、６・・・軸、７・・・長穴、８・・・ストッ
パリング、９・・・バキュームモータ、１０・・・ピン
。 第　１　図 第２図 俤　う　図 、、俤４図

Claims (1)

    【特許請求の範囲】
  1. 燃料噴射タイミングの遅角により排気温を上昇させてデ
    ィーゼルパティキュレートフィルタの再生を助けるＤＰ
    Ｆシステを備えたディーゼルエンジンにおいて、アクセ
    ルペダルと燃料噴射ポンプの燃料噴射量制御レバーとを
    結合するリンク機構に、前記ＤＰＦシステムの制御部か
    らのリタード信号に同期して前記リンク機構におけるレ
    バー比を燃料増量側に変化させるレバー比可変手段を備
    えた燃料増量装置。
JP59213972A 1984-03-31 1984-10-12 Ｄｐｆシステムを備えたデイ−ゼルエンジンの燃料増量装置 Pending JPS6193236A (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP59213972A JPS6193236A (ja) 1984-10-12 1984-10-12 Ｄｐｆシステムを備えたデイ−ゼルエンジンの燃料増量装置
EP89101930A EP0321451A3 (en) 1984-03-31 1985-03-28 Diesel particulate oxidizer regeneration system
DE8585103723T DE3580606D1 (de) 1984-03-31 1985-03-28 Regenerationssystem fuer eine diesel-partikel-oxydierungseinrichtung.
EP85103723A EP0158887B1 (en) 1984-03-31 1985-03-28 Diesel particulate oxidizer regeneration system
US06/717,848 US4719751A (en) 1984-03-31 1985-03-29 Diesel particulate oxidizer regeneration system
KR1019850002145A KR890003592B1 (ko) 1984-03-31 1985-03-30 디이젤미립자 산화장치의 재생시스템
US07/145,772 US4835964A (en) 1984-03-31 1988-01-19 Diesel particulate oxidizer regeneration system
KR1019890005118A KR890003594B1 (ko) 1984-03-31 1989-04-18 디이젤미립자 산화장치의 재생시스템
KR1019890005119A KR890003595B1 (ko) 1984-03-31 1989-04-18 디이젤미립자 산화장치의 재생시스템
KR1019890005117A KR890003593B1 (ko) 1984-03-31 1989-04-18 디이젤미립자 산화장치의 재생시스템

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59213972A JPS6193236A (ja) 1984-10-12 1984-10-12 Ｄｐｆシステムを備えたデイ−ゼルエンジンの燃料増量装置

Publications (1)

Publication Number Publication Date
JPS6193236A true JPS6193236A (ja) 1986-05-12

Family

ID=16648111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59213972A Pending JPS6193236A (ja) 1984-03-31 1984-10-12 Ｄｐｆシステムを備えたデイ−ゼルエンジンの燃料増量装置

Country Status (1)

Country Link
JP (1) JPS6193236A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6862881B1 (en) 2003-12-05 2005-03-08 Caterpillar Inc Method and apparatus for controlling regeneration of a particulate filter
JP2007168215A (ja) * 2005-12-21 2007-07-05 Toppan Printing Co Ltd 輪転印刷機のインキ汚れ防止方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5435611A (en) * 1977-08-24 1979-03-15 Nec Corp Signal separation circuit
JPS5958112A (ja) * 1982-09-25 1984-04-03 Mitsubishi Motors Corp パテイキユレ−トトラツプ装置付きエンジン

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5435611A (en) * 1977-08-24 1979-03-15 Nec Corp Signal separation circuit
JPS5958112A (ja) * 1982-09-25 1984-04-03 Mitsubishi Motors Corp パテイキユレ−トトラツプ装置付きエンジン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6862881B1 (en) 2003-12-05 2005-03-08 Caterpillar Inc Method and apparatus for controlling regeneration of a particulate filter
JP2007168215A (ja) * 2005-12-21 2007-07-05 Toppan Printing Co Ltd 輪転印刷機のインキ汚れ防止方法

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