JPH10503568A - 内燃機関用燃料噴射装置の空気供給補助の良好な動作の確認方法およびその装置 - Google Patents
内燃機関用燃料噴射装置の空気供給補助の良好な動作の確認方法およびその装置Info
- Publication number
- JPH10503568A JPH10503568A JP8506177A JP50617796A JPH10503568A JP H10503568 A JPH10503568 A JP H10503568A JP 8506177 A JP8506177 A JP 8506177A JP 50617796 A JP50617796 A JP 50617796A JP H10503568 A JPH10503568 A JP H10503568A
- Authority
- JP
- Japan
- Prior art keywords
- air supply
- air
- engine
- during
- phase
- 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.)
- Granted
Links
Classifications
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- 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
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D7/00—Other fuel-injection control
- F02D7/02—Controlling fuel injection where fuel is injected by compressed air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/002—Electric control of rotation speed controlling air supply
- F02D31/003—Electric control of rotation speed controlling air supply for idle speed control
- F02D31/005—Electric control of rotation speed controlling air supply for idle speed control by controlling a throttle by-pass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
- F02D35/0023—Controlling air supply
- F02D35/0038—Controlling air supply by means of air pumps
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- 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
-
- 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
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/08—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by the fuel being carried by compressed air into main stream of combustion-air
-
- 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
- F02D2041/3088—Controlling fuel injection for air assisted injectors
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
-
- 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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.内燃機関(11)の始動段階中に空気供給補助される噴射装置(17)の良好な 動作の確認のための方法であって、 前記噴射装置は、定められた量の燃料をエンジンに供給するのに適したもの であり、 経験に基づいて、安定したアイドリング段階中に、定められた量の空気を空 気供給補助段階中に噴射できることを確認することを特徴とする方法。 2.空気供給補助段階中に内燃機関に空気と燃料のいわゆる薄い混合物が供給さ れることを確認することを特徴とする請求の範囲の第1項記載の方法。 3.定められた時点からエンジンがアイドリング回転を行っており、前記エンジ ンの温度(T)が、始動温度と呼ばれる温度よりも高いことを確認し、 空気供給補助バルブ(19)を開き、 予め定められた時間中にアイドリングバルブ(24)を通る空気量(Qm)を測 定し、 該空気量(Qm)と、限界空気量(Q1)とを比較し、 これに基づいて、空気供給補助システムが動作しているか否かを推論するこ とを特徴とする請求の範囲の第1項または第2項記載の方法。 4.測定された空気量Qmが限界空気量Q1より小 さい場合には、エンジン制御用コンピュータ(20)に空気供給補助システム(18 ,19)の故障コードを送出することを特徴とする請求の範囲の第3項記載の方法 。 5.アイドリング調整バルブ(24)を通る空気量(Qm)の測定値が、前記アイド リング調整バルブ(24)の循環開き比(RCO)の計算に出てくる積分項を考慮す ることによって定められることを特徴とする請求の範囲の第1項から第4項のい ずれか1項記載の方法。 6.エンジンに薄い混合物が供給されていることの確認が、噴射装置への空気供 給補助段階中になされることを特徴とする請求の範囲の第2項記載の方法。 7.空気供給補助段階中、酸素量測定プローブ(31)の作動直後に、噴射される 混合物の濃度が1より小さいか否かを検出し、 空気供給補助段階中に測定サンプリングを行うことにより、濃度が1より小 さかった回数と、濃度が1を超えた回数とを検出し、 空気供給補助段階中に行った測定回数と、濃度が1より小さかった回数との 比を計算し、 この比が最低比率を超える場合には、空気供給補助段階中にエンジンに薄い 混合物が供給されたとみなすことを特徴とする請求の範囲の第6項記載の方 法。 8.前記比が最低比率より小さい場合には、空気供給補助システムの故障コード をコンピュータに送出することを特徴とする請求の範囲の第7項記載の方法。 9.請求の範囲の第1項から第8項記載の方法を実施する制御装置において、 空気供給補助段階中に定められた量の空気を噴射することができることの確 認手段(20)を有し、 該確認手段(20)は、空気供給補助バルブ(19)を開くための手段と、 予め定められた時点からエンジン(11)が安定したアイドリング回転を行っ ていることを確認するのに適した手段と、 アイドリング調整バルブ(24)を通る空気量(Qm)を測定するための手段と 、 測定された空気量Qmと限界空気量Q1とを比較するのに適した比較手段とを有 し、 空気供給補助段階中の空気と燃料の混合物の濃度λの確認手段 (31)とを 有することを特徴とする請求の範囲の第1項から第8項記載の方法を実施するた めの制御装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9409613A FR2723149B1 (fr) | 1994-08-01 | 1994-08-01 | Procede de controle du bon fonctionnement de l'assistance en air d'un injecteur de carburant pour moteur a combustion interne et dispositif correspondant |
FR94/09613 | 1994-08-01 | ||
PCT/EP1995/002989 WO1996004473A1 (fr) | 1994-08-01 | 1995-07-27 | Procede de controle du bon fonctionnement de l'assistance en air d'un injecteur de carburant pour moteur a combustion interne et dispositif correspondant |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10503568A true JPH10503568A (ja) | 1998-03-31 |
JP3865774B2 JP3865774B2 (ja) | 2007-01-10 |
Family
ID=9466023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50617796A Expired - Fee Related JP3865774B2 (ja) | 1994-08-01 | 1995-07-27 | 内燃機関用燃料噴射装置の空気供給補助の良好な動作の確認方法およびその装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5809965A (ja) |
EP (1) | EP0774059B1 (ja) |
JP (1) | JP3865774B2 (ja) |
KR (1) | KR100378479B1 (ja) |
AU (1) | AU3254295A (ja) |
DE (1) | DE69504996T2 (ja) |
ES (1) | ES2122672T3 (ja) |
FR (1) | FR2723149B1 (ja) |
WO (1) | WO1996004473A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6083103A (en) * | 1998-02-25 | 2000-07-04 | New Holland North America, Inc. | Sensor apparatus with butterfly valve for maintaining packing density of moving material |
JPH11280615A (ja) * | 1998-03-30 | 1999-10-15 | Unisia Jecs Corp | アシストエア供給装置の診断装置 |
US6550319B1 (en) | 1998-11-30 | 2003-04-22 | Ford Global Technologies, Inc. | Fault diagnostic for an internal combustion engine having air assisted injectors |
DE19860535A1 (de) | 1998-12-30 | 2000-07-06 | Bosch Gmbh Robert | Diagnose der Luftumfassung bei luftumfaßten Einspritzventilen |
DE19909474A1 (de) * | 1999-03-04 | 2000-09-07 | Siemens Ag | Betriebsverfahren für eine fremdgezündete, mit Kraftstoff-Direkteinspritzung arbeitende mehrzylindrige Brennkraftmaschine |
JP2002206445A (ja) * | 2001-01-10 | 2002-07-26 | Hitachi Ltd | 内燃機関の燃料供給装置 |
DE10130360A1 (de) * | 2001-06-23 | 2003-01-02 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung einer Ausgangsgröße einer Antriebseinheit in der Startphase |
DE10147977A1 (de) * | 2001-09-28 | 2003-04-10 | Volkswagen Ag | Verfahren zum Erkennen einer Leckage im Einlasskanal eines Verbrennungsmotors und entsprechend eingerichteter Verbrennungsmotor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2588803B2 (ja) * | 1991-08-29 | 1997-03-12 | 本田技研工業株式会社 | 内燃機関 |
JPH06207544A (ja) * | 1991-09-24 | 1994-07-26 | Nippondenso Co Ltd | 燃料噴射装置 |
JPH05263734A (ja) * | 1992-03-17 | 1993-10-12 | Nissan Motor Co Ltd | アシストエア装置の診断装置 |
JPH06346825A (ja) * | 1993-06-08 | 1994-12-20 | Nippondenso Co Ltd | 内燃機関の補助空気制御装置における異常検出装置 |
-
1994
- 1994-08-01 FR FR9409613A patent/FR2723149B1/fr not_active Expired - Fee Related
-
1995
- 1995-07-27 ES ES95929019T patent/ES2122672T3/es not_active Expired - Lifetime
- 1995-07-27 EP EP95929019A patent/EP0774059B1/fr not_active Expired - Lifetime
- 1995-07-27 JP JP50617796A patent/JP3865774B2/ja not_active Expired - Fee Related
- 1995-07-27 DE DE69504996T patent/DE69504996T2/de not_active Expired - Fee Related
- 1995-07-27 AU AU32542/95A patent/AU3254295A/en not_active Abandoned
- 1995-07-27 KR KR1019970700648A patent/KR100378479B1/ko not_active IP Right Cessation
- 1995-07-27 US US08/793,182 patent/US5809965A/en not_active Expired - Fee Related
- 1995-07-27 WO PCT/EP1995/002989 patent/WO1996004473A1/fr active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0774059B1 (fr) | 1998-09-23 |
DE69504996D1 (de) | 1998-10-29 |
KR100378479B1 (ko) | 2003-06-18 |
EP0774059A1 (fr) | 1997-05-21 |
US5809965A (en) | 1998-09-22 |
AU3254295A (en) | 1996-03-04 |
KR970704956A (ko) | 1997-09-06 |
WO1996004473A1 (fr) | 1996-02-15 |
ES2122672T3 (es) | 1998-12-16 |
JP3865774B2 (ja) | 2007-01-10 |
FR2723149B1 (fr) | 1996-09-13 |
DE69504996T2 (de) | 1999-04-15 |
FR2723149A1 (fr) | 1996-02-02 |
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