JP4509637B2 - 内燃機関の運転方法および装置 - Google Patents
内燃機関の運転方法および装置 Download PDFInfo
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- JP4509637B2 JP4509637B2 JP2004126797A JP2004126797A JP4509637B2 JP 4509637 B2 JP4509637 B2 JP 4509637B2 JP 2004126797 A JP2004126797 A JP 2004126797A JP 2004126797 A JP2004126797 A JP 2004126797A JP 4509637 B2 JP4509637 B2 JP 4509637B2
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- Prior art keywords
- pressure
- intake pipe
- ventilation
- internal combustion
- combustion engine
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- Expired - Fee Related
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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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
- F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
- F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
- F01M13/023—Control valves in suction conduit
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/06—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours
-
- 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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M25/0809—Judging failure of purge control system
- F02M25/0827—Judging failure of purge control system by monitoring engine running conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
- F01M2011/14—Indicating devices; Other safety devices for indicating the necessity to change the oil
- F01M2011/1446—Indicating devices; Other safety devices for indicating the necessity to change the oil by considering 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
- F02D2200/04—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
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric 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
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2250/00—Measuring
- F16N2250/04—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2250/00—Measuring
- F16N2250/04—Pressure
- F16N2250/05—Atmospheric pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Description
吸気管圧力と通気通路内圧力との間に第1の圧力差が形成されるとき、および第1の圧力差が第1の所定値を超えているときに通気エラーが診断されるとき、それは特に有利である。このようにして、通気エラーの診断は、通気通路内に追加の圧力センサのみを使用することによりきわめて簡単に実行可能である。
吸気管圧力から最小値が形成されるとき、同様に他の利点が得られる。
診断された通気エラーは、エンジン制御ユニット15に記憶され、且つ例えば複合計器において自動車のドライバが見えるようにしてもよい。エンジン制御ユニット15に記憶されたエラーは、例えば修理工場内でテスタにより読み取ることができる。
5 吸気管
10 通気通路
15 エンジン制御ユニット
20 変数決定手段
25 診断ユニット
30 給気管
35 空気質量流量計
40 絞り弁
45、50、255 圧力センサ
55 クランク・ハウジング通気弁
60 油分離器
65 吸気弁
70 燃焼室
75 ピストン
80 クランク・ハウジング
85 クランク軸
90 排気弁
95 排気系
100 診断開始手段
105 入力信号
110、115、120、125、215、220、225 比較要素
130、140、145、210 減算要素
135、205、230、235 AND要素
150、155、160 低域フィルタ
165、170、175 最大値要素
180 最小値要素
185、190、195、200 反転要素
240 エンジン
245 シリンダ
250 診断装置
d1、d2 差信号
f1、f2 開始信号
h 標高値
pkgh 通気通路内の圧力
ps 吸気管圧力
psmax 最大吸気管圧力
psmin 最小吸気管圧力
pu 周囲圧力
S1−S7 エラー信号
tmot エンジン温度
V1−V6 所定値
Claims (8)
- 吸気管(5)と、内燃機関(1)の吸気管(5)に供給される通気であるタンク通気またはクランク・ハウジング通気の通気通路(10)とを備えた内燃機関(1)の運転方法において、
一方の吸気管圧力または内燃機関(1)の周りの圧力と、他方の通気通路(10)内の圧力との間において少なくとも1つの圧力差が決定されること、
通気通路(10)内の圧力と吸気管圧力との間に第1の圧力差が形成されること、
内燃機関の周りの圧力と通気通路(10)内の圧力との間に第2の圧力差が形成されること、および
前記第1の圧力差が前記第2の圧力差より大きいときに、通気エラーが診断されること、
を特徴とする内燃機関の運転方法。 - 吸気管圧力と通気通路(10)内の圧力との間に第1の圧力差が形成されること、および
前記第1の圧力差が第1の所定値を超えているときに、通気エラーが診断されること、
を特徴とする請求項1に記載の運転方法。 - 内燃機関の周りの圧力と通気通路(10)内の圧力との間に第2の圧力差が形成されること、および
前記第2の圧力差が第2の所定値を超えているときに、通気エラーが診断されること、
を特徴とする請求項1または2に記載の運転方法。 - 内燃機関(1)の運転中における吸気管圧力の最大値と最小値との差が第3の所定値より大きいときにのみ、エラーが診断されることをさらに特徴とする請求項1ないし3のいずれかに記載の運転方法。
- 前記少なくとも一つの圧力差および吸気管圧力の少なくともいずれかが、低域フィルタリングされることを特徴とする請求項1ないし4のいずれかに記載の運転方法。
- 前記少なくとも一つの圧力差および吸気管圧力の少なくともいずれかから、一方の吸気管圧力または内燃機関(1)の周りの圧力と他方の通気通路(10)内の圧力との間において決定された少なくとも1つの圧力差および吸気管圧力の少なくともいずれかの、内燃機関(1)の運転中における最大値が形成されることを特徴とする請求項1ないし5のいずれかに記載の運転方法。
- 吸気管圧力から、内燃機関(1)の運転中における吸気管圧力の最小値が形成されることを特徴とする請求項1ないし6のいずれかに記載の運転方法。
- 吸気管(5)と、内燃機関(1)の吸気管(5)に供給されている通気であるタンク通気またはクランク・ハウジング通気の通気通路(10)とを備えた内燃機関(1)の運転装置(15)において、
一方の吸気管圧力または内燃機関の周りの圧力と、他方の通気通路(10)内の圧力との間において少なくとも一つの圧力差を決定する決定手段(20)と、
通気通路(10)内の圧力と吸気管圧力との間に第1の圧力差を形成する手段と、
内燃機関の周りの圧力と通気通路(10)内の圧力との間に第2の圧力差を形成する手段と、および
前記第1の圧力差が前記第2の圧力差より大きいときに、通気エラーを診断する診断手段(25)と、
を備えたことを特徴とする内燃機関の運転装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10320054A DE10320054A1 (de) | 2003-05-06 | 2003-05-06 | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004332726A JP2004332726A (ja) | 2004-11-25 |
JP4509637B2 true JP4509637B2 (ja) | 2010-07-21 |
Family
ID=33305170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004126797A Expired - Fee Related JP4509637B2 (ja) | 2003-05-06 | 2004-04-22 | 内燃機関の運転方法および装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7080547B2 (ja) |
JP (1) | JP4509637B2 (ja) |
DE (1) | DE10320054A1 (ja) |
FR (1) | FR2854662B1 (ja) |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10150420A1 (de) * | 2001-10-11 | 2003-04-30 | Bosch Gmbh Robert | Verfahren zur Überprüfung der Funktionsfähigkeit eines Tankentlüftungsventils einer Tankentlüftungsanlage |
DE102004030908B4 (de) * | 2004-06-25 | 2017-02-09 | Mahle Filtersysteme Gmbh | Kurbelgehäuseentlüftungssystem und zugehöriges Betriebsverfahren |
US7261091B2 (en) * | 2005-04-22 | 2007-08-28 | Gm Global Technology Operations, Inc. | Control of induction system hydrocarbon emissions |
US7426924B2 (en) * | 2005-04-28 | 2008-09-23 | Caterpillar Inc. | Engine and ventilation system |
US7954363B2 (en) * | 2005-07-18 | 2011-06-07 | Danfoss A/S | Method and a system for detection of an engine fault |
JP2007092664A (ja) * | 2005-09-29 | 2007-04-12 | Denso Corp | ブローバイガス環流装置 |
DE102006058072A1 (de) * | 2006-12-07 | 2008-06-19 | Mahle International Gmbh | Kurbelgehäuseentlüftung |
DE102007013252A1 (de) * | 2007-03-20 | 2008-09-25 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Überwachung des Saugrohrdruckes einer Brennkraftmaschine |
US7562561B2 (en) * | 2007-04-13 | 2009-07-21 | Honda Motor Co., Ltd. | Intake air leak determination system and method |
DE102007017668A1 (de) * | 2007-04-14 | 2008-10-16 | Bayerische Motoren Werke Aktiengesellschaft | Aufgeladene Brennkraftmaschine und Verfahren zur Überwachung, ob die Kurbelgehäuseentlüftung angeschlossen worden ist |
DE102007062462A1 (de) * | 2007-12-22 | 2009-06-25 | Bayerische Motoren Werke Aktiengesellschaft | Kurbelgehäuseentlüftungseinrichtung für eine Brennkraftmaschine |
BRPI0822392B1 (pt) * | 2008-03-18 | 2021-02-23 | Volvo Lastvagnar Ab | método para diagnóstico funcional de um separador |
DE102008023381A1 (de) * | 2008-05-13 | 2009-11-19 | GM Global Technology Operations, Inc., Detroit | Saugrohranordnung |
CN101629523B (zh) * | 2008-07-16 | 2012-09-05 | 杨应捷 | 曲轴箱废气传感器 |
US8353276B2 (en) | 2008-07-18 | 2013-01-15 | Ford Global Technologies, Llc | System and method for storing crankcase gases to improve engine air-fuel control |
US7878049B2 (en) | 2008-08-28 | 2011-02-01 | Caterpillar Inc. | Method and system for indicating a fault associated with a non-combustion chamber of an engine |
JP2010261325A (ja) * | 2009-04-30 | 2010-11-18 | Hino Motors Ltd | エンジン吸気システム |
DE102009059662B4 (de) * | 2009-12-19 | 2014-03-13 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zur Diagnose von Leitungssystemen von Brennkraftmaschinen |
US20110197864A1 (en) * | 2010-02-17 | 2011-08-18 | Rolf Karcher | Internal combustion engine and method for monitoring a tank ventilation system and a crankcase ventilation system |
US8464696B2 (en) * | 2010-05-17 | 2013-06-18 | Ford Global Technologies, Llc | Supercharged engine system |
EP2431583A1 (en) * | 2010-09-15 | 2012-03-21 | Alfa Laval Corporate AB | A device and method for cleaning crankcase gas |
DE102010040900A1 (de) * | 2010-09-16 | 2012-03-22 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose einer Kurbelgehäuseentlüftung von Verbrennungsmotoren |
DE102010052644A1 (de) * | 2010-11-29 | 2012-05-31 | Audi Ag | Verfahren zum Betreiben einer Brennkraftmaschine, Steuerelement, Brennkraftmaschine |
DE102011080783A1 (de) | 2011-08-10 | 2013-02-14 | Mahle International Gmbh | Brennkraftmaschine |
FR2989166A3 (fr) * | 2012-04-05 | 2013-10-11 | Renault Sa | Procede de diagnostic du fonctionnement de la purge d'un filtre a vapeurs de carburant. |
US9127976B2 (en) * | 2012-04-19 | 2015-09-08 | Ford Global Technologies, Llc | Method for determining crankcase breach and oil level |
DE102012011834A1 (de) | 2012-06-14 | 2013-12-19 | Volkswagen Aktiengesellschaft | Verfahren zum Vermeiden einer Vorentflammung in einem Verbrennungsmotor |
US9416694B2 (en) * | 2012-09-14 | 2016-08-16 | Ford Global Technologies, Llc | Crankcase integrity breach detection |
US9260990B2 (en) | 2012-09-14 | 2016-02-16 | Ford Global Technologies, Llc | Crankcase integrity breach detection |
US9316131B2 (en) * | 2012-09-14 | 2016-04-19 | Ford Global Technologies, Llc | Crankcase integrity breach detection |
US10619534B2 (en) * | 2012-09-14 | 2020-04-14 | Ford Global Technologies, Llc | Crankcase integrity breach detection |
US9127578B2 (en) | 2012-09-14 | 2015-09-08 | Ford Global Technologies, Llc | Crankcase integrity breach detection |
US9068486B2 (en) | 2012-09-14 | 2015-06-30 | Ford Global Technologies, Llc | Crankcase integrity breach detection |
US9359923B2 (en) | 2012-10-25 | 2016-06-07 | Ford Global Technologies, Llc | Method and system for fuel vapor management |
US9611769B2 (en) * | 2013-03-14 | 2017-04-04 | GM Global Technology Operations LLC | System and method for controlling airflow through a ventilation system of an engine when cylinders of the engine are deactivated |
JP6228763B2 (ja) * | 2013-07-03 | 2017-11-08 | 日野自動車株式会社 | 異常判定システム及び異常判定方法 |
DE102013225388A1 (de) * | 2013-12-10 | 2015-06-11 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Erkennung einer Leckage in einer Kurbelgehäuseentlüftung |
JP6209471B2 (ja) * | 2014-03-20 | 2017-10-04 | ヤンマー株式会社 | エンジン |
US9664078B2 (en) * | 2014-07-23 | 2017-05-30 | GM Global Technology Operations LLC | PCV channel disconnect detection device and method |
US9664079B2 (en) * | 2014-10-03 | 2017-05-30 | Ford Global Technologies, Llc | Crankcase integrity breach detection |
DE102015007154A1 (de) * | 2015-06-03 | 2016-12-08 | Man Truck & Bus Ag | Unterdruckerzeugung im Kurbelgehäuse zur Partikelzahlreduzierung |
DE102015009505A1 (de) | 2015-07-23 | 2017-01-26 | Daimler Ag | Verbrennungskraftmaschine, insbesondere für einen Kraftwagen |
DE102016202140B4 (de) * | 2016-02-12 | 2022-07-28 | Bayerische Motoren Werke Aktiengesellschaft | Verbrennungsmotor mit Kurbelgehäuseentlüftung |
US10008049B2 (en) * | 2016-03-03 | 2018-06-26 | GM Global Technology Operations LLC | Positive crankcase ventilation system diagnostic systems and methods |
JP6654524B2 (ja) * | 2016-03-15 | 2020-02-26 | 愛三工業株式会社 | 車両用ガス処理装置 |
JP6270890B2 (ja) | 2016-03-17 | 2018-01-31 | 株式会社Subaru | リーク検出装置 |
DE102016006477B4 (de) | 2016-05-25 | 2019-01-31 | Audi Ag | Verfahren zum Betreiben einer Brennkraftmaschine sowie entsprechende Brennkraftmaschine |
US10043352B2 (en) | 2016-09-14 | 2018-08-07 | Fca Us Llc | Techniques for detecting a disconnected engine air hose using an in-line pressure sensor |
DE102016217921A1 (de) * | 2016-09-19 | 2018-03-22 | Robert Bosch Gmbh | Verfahren zur Erkennung einer Leckage in einem Saugrohr |
WO2018077370A1 (de) | 2016-10-25 | 2018-05-03 | Daimler Ag | Verbrennungskraftmaschine, insbesondere für einen kraftwagen |
DE102017203201B4 (de) | 2017-02-28 | 2023-06-29 | Bayerische Motoren Werke Aktiengesellschaft | Methode zur Entlüftung eines Kurbelgehäuses einer Verbrennungskraftmaschine |
DE102017001904B4 (de) * | 2017-02-28 | 2019-01-03 | Mtu Friedrichshafen Gmbh | Verfahren zur Überwachung des Kurbelgehäusedrucks |
JP6409086B1 (ja) * | 2017-03-30 | 2018-10-17 | 株式会社Subaru | リーク検出装置 |
FR3089559B1 (fr) * | 2018-12-05 | 2021-07-16 | Psa Automobiles Sa | Procede de diagnostic de fonctionnement d'un circuit de gaz de carter pour un vehicule hybride |
DE102018222766A1 (de) | 2018-12-21 | 2020-06-25 | Robert Bosch Gmbh | Verfahren zum Erkennen eines Defekts in einer Kurbelgehäuseentlüftung |
JP6828068B2 (ja) * | 2019-02-08 | 2021-02-10 | 本田技研工業株式会社 | 内燃機関の異常判定装置 |
JP6795636B2 (ja) | 2019-02-08 | 2020-12-02 | 本田技研工業株式会社 | 内燃機関の異常判定装置 |
JP7135950B2 (ja) * | 2019-03-15 | 2022-09-13 | いすゞ自動車株式会社 | 内燃機関の診断装置 |
JP7188275B2 (ja) * | 2019-05-16 | 2022-12-13 | トヨタ自動車株式会社 | 車載内燃機関の異常診断装置 |
US10876447B1 (en) | 2019-06-18 | 2020-12-29 | Fca Us Llc | Diagnostic system and method for detecting leaks and disconnects in a crankcase ventilation system |
US10871129B1 (en) * | 2019-06-24 | 2020-12-22 | Ford Global Technologies, Llc | Crankcase ventilation system and diagnostic method |
GB2585073A (en) * | 2019-06-28 | 2020-12-30 | Ford Global Tech Llc | A crankcase ventilation system |
DE102019212457B4 (de) * | 2019-08-21 | 2021-03-25 | Vitesco Technologies GmbH | Verfahren und Vorrichtung zur Leckage-Diagnose einer Kurbelgehäuseentlüftungsleitung einer Kurbelgehäuseentlüftungsvorrichtung für eine Brennkraftmaschine |
KR20210135706A (ko) * | 2020-05-06 | 2021-11-16 | 현대자동차주식회사 | 엔진 공기량 연산 오차 방지 방법 및 엔진 시스템 |
DE102020118233B3 (de) | 2020-07-10 | 2021-12-09 | Audi Aktiengesellschaft | Verfahren zum Betreiben einer Antriebseinrichtung sowie entsprechende Antriebseinrichtung |
US11408312B2 (en) * | 2020-09-21 | 2022-08-09 | Mahle International Gmbh | PCV valve |
US11313261B1 (en) | 2020-10-08 | 2022-04-26 | Cummins Inc. | Systems and methods for hole detection in crankcase ventilation tubing |
EP4001600B1 (en) * | 2020-11-20 | 2024-05-22 | Volvo Truck Corporation | A method for diagnosing a part of a crank case ventilation system |
CN115217624B (zh) * | 2021-04-27 | 2023-08-15 | 广州汽车集团股份有限公司 | 曲轴箱通风管路脱落诊断方法、装置、车辆及存储介质 |
FR3138474B1 (fr) * | 2022-07-29 | 2024-06-14 | Psa Automobiles Sa | Systeme et procede de detection de colmatage d’un clapet antiretour de forte charge d’un moteur thermique, vehicule comprenant un tel systeme |
FR3138475B1 (fr) * | 2022-07-29 | 2024-06-14 | Psa Automobiles Sa | Systeme et procede de detection de colmatage d’un clapet antiretour de charge partielle d’un moteur thermique, vehicule comprenant un tel systeme |
CN115788669B (zh) * | 2022-10-31 | 2024-05-03 | 重庆长安汽车股份有限公司 | 一种曲轴箱通风系统诊断方法、装置、设备及储存介质 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003028002A (ja) * | 2001-07-13 | 2003-01-29 | Honda Motor Co Ltd | 内燃機関の吸気系異常判定装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01216051A (ja) * | 1988-02-22 | 1989-08-30 | Nippon Denso Co Ltd | 車両用内燃機関のフェールセーフ装置 |
DE3909887A1 (de) * | 1989-03-25 | 1990-09-27 | Bosch Gmbh Robert | Verfahren und vorrichtung zur ueberpruefung der steuerbarkeit eines tankentlueftungsventils |
DE4341777A1 (de) * | 1993-12-08 | 1995-06-14 | Bosch Gmbh Robert | Entlüftungsvorrichtung für einen Brennstofftank und Verfahren zum Überprüfen deren Funktionstüchtigkeit |
JPH10141150A (ja) * | 1996-11-13 | 1998-05-26 | Nissan Motor Co Ltd | エンジンの排気還流制御装置の故障診断装置 |
JPH10184336A (ja) * | 1996-12-25 | 1998-07-14 | Denso Corp | 内燃機関のブローバイガス通路異常検出装置 |
US6098603A (en) * | 1996-12-24 | 2000-08-08 | Denso Corporation | Blow-by gas passage abnormality detecting system for internal combustion engines |
DE19734494C1 (de) * | 1997-08-08 | 1998-10-08 | Daimler Benz Ag | Verfahren zum Betrieb einer Brennkraftmaschine |
US6260410B1 (en) * | 1997-09-05 | 2001-07-17 | John Cook | Initialization method for an automotive evaporative emission leak detection system |
DE19836295B4 (de) * | 1998-08-11 | 2004-07-08 | Robert Bosch Gmbh | Verfahren zur Prüfung der Funktionsfähigkeit einer Tankentlüftungsanlage eines Fahrzeugs |
JP3707522B2 (ja) * | 1998-08-21 | 2005-10-19 | 日産自動車株式会社 | 蒸発燃料処理装置の診断装置 |
DE19954535C2 (de) * | 1999-11-12 | 2001-10-25 | Bosch Gmbh Robert | Verfahren zur Plausibilitätsprüfung der gemessenen Last bei einer Brennkraftmaschine mit variabler Ventilhubsteuerung |
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2004
- 2004-04-22 JP JP2004126797A patent/JP4509637B2/ja not_active Expired - Fee Related
- 2004-05-03 FR FR0404698A patent/FR2854662B1/fr not_active Expired - Fee Related
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JP2003028002A (ja) * | 2001-07-13 | 2003-01-29 | Honda Motor Co Ltd | 内燃機関の吸気系異常判定装置 |
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FR2854662A1 (fr) | 2004-11-12 |
US7080547B2 (en) | 2006-07-25 |
DE10320054A1 (de) | 2004-11-25 |
US20050022795A1 (en) | 2005-02-03 |
JP2004332726A (ja) | 2004-11-25 |
FR2854662B1 (fr) | 2010-04-16 |
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