KR0146586B1 - Valve control device and method thereof - Google Patents
Valve control device and method thereofInfo
- Publication number
- KR0146586B1 KR0146586B1 KR1019950061133A KR19950061133A KR0146586B1 KR 0146586 B1 KR0146586 B1 KR 0146586B1 KR 1019950061133 A KR1019950061133 A KR 1019950061133A KR 19950061133 A KR19950061133 A KR 19950061133A KR 0146586 B1 KR0146586 B1 KR 0146586B1
- Authority
- KR
- South Korea
- Prior art keywords
- valve
- engine
- exhaust
- signal
- vehicle speed
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L15/00—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00
- F01L15/02—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 with valves other than cylindrical, sleeve, or part-annularly-shaped, e.g. flat D-valves
- F01L15/04—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 with valves other than cylindrical, sleeve, or part-annularly-shaped, e.g. flat D-valves main valve being combined with auxiliary valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2201/00—Electronic control systems; Apparatus or methods therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/04—Sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
- F01P3/14—Arrangements for cooling other engine or machine parts for cooling intake or exhaust valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
본 발명은 엔진의 밸브제어장치 및 방법에 관한 것으로서, 그 구성은 엔진의 실린더(10) 헤드부위에 설치되어 있는 흡/배기 밸브외에 더 추가 설치된 배기오픈밸브(22)와; 상기 배기오픈밸브(22)를 구동시키기 위한 밸브구동수단(20) 및; 차속신호와, 엔진온도신호, 컨버터온도신호, 스로틀밸브위치신호, 기어위치신호 및, 브레이크신호 등을 제공 받아서 그 신호들에 의거하여 상기 밸브구동수단을 제어하기위한 제어신호를 출력하는 전자제어장치(30)를 포함하여 구성된 것을 특징으로 하여, 상기 전자제어장치(30)에 의한 상기 배기밸브 개폐를 효율적으로 제어하므로써 속도향상 후 스로틀밸브를 닫아도 엔진브레이크의 작용없이 타행성을 향상시키고 배기계통의 밸브류, 컨버터 등의 냉각효과를 증진시켜 내구성 및 컨버터의 성능을 향상시키는 효과가 있다.The present invention relates to a valve control apparatus and a method of an engine, the configuration of which comprises an exhaust open valve (22) further installed in addition to the intake / exhaust valve installed on the head of the cylinder (10) of the engine; Valve driving means (20) for driving the exhaust open valve (22); An electronic control device that receives a vehicle speed signal, an engine temperature signal, a converter temperature signal, a throttle valve position signal, a gear position signal, and a brake signal and outputs a control signal for controlling the valve driving means based on the signals. It characterized in that it comprises a (30), by efficiently controlling the opening and closing of the exhaust valve by the electronic control device 30, even if closing the throttle valve after the speed improvement to improve the coastability without the action of the engine brake and the exhaust system By improving the cooling effect of valves, converters, etc., there is an effect of improving the durability and the performance of the converter.
Description
제 1도는 종래의 일반적인 엔진의 구성을 나타내는 도면,1 is a view showing the configuration of a conventional general engine,
제 2도는 본 발명에 따른 엔진의 밸브제어장치에 대한 구성도,2 is a block diagram of a valve control apparatus for an engine according to the present invention;
제 3도는 본 발명에 따른 엔진의 밸브제어방법을 설명하는 플로우차트이다.3 is a flowchart for explaining a valve control method of the engine according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
10 : 실린더 20 : 밸브구동부10: cylinder 20: valve drive unit
22 : 배기오픈밸브 30 : 전자제어장치22: exhaust open valve 30: electronic control device
본 발명은 엔진의 밸브제어장치 및 방법에 관한 것으로서, 보다 상세하게는 엔진의 실린더 헤드부위에 설치되어 있는 홉/배기 밸브외에 배기밸브를 더 추가 설치하고, 전자제어장치에 의한 상기 흡기밸브 개폐를 효율적으로 제어하므로써 속도향상 후 스로틀밸브를 닫아도 엔진브레이크의 작용없이 타행성을 향상시키고 배기계통의 밸브류, 컨버터 등의 냉각효과를 증진시켜 내구성 및 컨버터의 성능을 향상시키도록 하는 엔진의 밸브제어장치 및 방법에 관한 것이다.The present invention relates to a valve control apparatus and method for an engine, and more particularly, an exhaust valve is further provided in addition to a hop / exhaust valve installed at a cylinder head of the engine, and the opening and closing of the intake valve by an electronic controller is performed. The valve control device of the engine improves the durability and performance of the converter by improving cooling performance of the valves, converters, etc. of the exhaust system without increasing engine brake, even if the throttle valve is closed after speed improvement by efficient control. And to a method.
일반적으로, 자동차의 엔진은 제 1도에 도시된 바와 같이 각 실린더(10)에는 흡기밸브(11) 및 도시되지 않은 배기밸브가 장착되어 있으며, 흡기밸브(11)용 및 배기밸브용으로 두대의 캠샤프트(13)를 장착하여 크랭크축(16)에 타이밍벨트(14)로 연결시켰으며, 흡기밸브용 캠샤프트(13)는 상기 실린더(10) 내부에 연료가 주입될 수 있도록 캠(12)을 회전시켜 흡기밸브(11)를 개폐시키고, 도시되지 않은 또 하나의 배기밸브용 캠샤프트는 엔진(100)의 폭발행정에 따른 배기가스가 배출되도록 배기밸브를 개폐시키는 역할을 하였다.In general, the engine of an automobile is provided with an intake valve 11 and an exhaust valve not shown in each cylinder 10, as shown in FIG. 1, and two cylinders for an intake valve 11 and an exhaust valve. The camshaft 13 is mounted to the crankshaft 16 and connected to the timing belt 14, and the intake valve camshaft 13 has a cam 12 so that fuel can be injected into the cylinder 10. Rotating the intake valve 11 to open and close, another exhaust valve camshaft (not shown) serves to open and close the exhaust valve so that the exhaust gas according to the explosion stroke of the engine 100 is discharged.
이때, 캠샤프트(13)의 캠(12)과 흡기밸브(11)를 직접 연결하여 캠샤프트(13)의 작동으로 바로 흡기밸브(11)를 개폐시키게 되는 것이다. 그리고 도시되지는 않았지만 각각의 실린더(10) 헤드부분에는 스파크플러그와 연료를 분사하는 인젝터가 설치되어 있다.At this time, the cam 12 and the intake valve 11 of the cam shaft 13 are directly connected to directly open and close the intake valve 11 by the operation of the cam shaft 13. Although not shown, each cylinder 10 head portion is provided with a spark plug and an injector for injecting fuel.
그런데, 상기에서 예로서 설명한 4기통 디.오.에이치.씨엔진은 두개의 흡기밸브로 연료와 공기의 혼합인 혼합가스가 들어와 압축 및 폭발행정을 거쳐 두개의 배기밸브로 배기가스가 배출되므로 출력에 강한 잇점이 있지만 연료의 소비가 큰 단점이 있으며, 고속도로의 주행중 현속도를 유지하고자 하면 악세레이터를 계속 밟아 연료 분사를 연속적으로하여 엔진속도가 차량의 현재 속도에 지장이 없도록 해야 하고, 또한 장시간 고속 운전시에는 기관의 밸브류에 열화가 심화되어 약 800도를 초과하는 컨버터는 자체 성능의 하락 및 파손의 원인이 된다.However, the four-cylinder D.O.H.C engine described as an example above has two intake valves, and a mixed gas, which is a mixture of fuel and air, enters the exhaust gas and is discharged through the two exhaust valves through compression and explosion strokes. Although there is a strong advantage in the fuel consumption, there is a big disadvantage, and if you want to maintain the current speed while driving on the highway, you must continue to step on the accelerator to continuously fuel injection so that the engine speed does not interfere with the current speed of the vehicle, In high speed operation, the engine valves deteriorate, and converters exceeding about 800 ° C cause degradation and damage of their performance.
본 발명은 상기와 같은 문제점을 감안하여 이를 해결하고자 안출한 것으로서, 그 목적은 엔진의 실린더 헤드부위에 설치되어 있는 흡/배기 밸브외에 배기밸브 하나를 더 추가 설치하고, 전자제어장치에 의한 상기 배기밸브 개폐를 효율적으로 제어하므로써 속도향상 후 스로틀밸브를 닫아도 엔진브레이크의 작용없이 타행성을 향상시키고 배기계통의 밸브류, 컨버터 등의 냉각효과를 증진시켜 내구성 및 컨버터의 성능을 향상시키도록 하는 엔진의 밸브제어장치 및 방법을 제공하고자 하는 것이다.The present invention has been made in view of the above problems, and an object thereof is to install an additional exhaust valve in addition to the intake / exhaust valve installed on the cylinder head of the engine, and the exhaust by the electronic controller By controlling valve opening and closing efficiently, even if the throttle valve is closed after speed improvement, it improves the shipper performance without the action of engine brake and improves the cooling effect of valves, converters, etc. of the exhaust system. It is to provide a valve control apparatus and method.
상기와 같은 목적을 달성하기 위하여 본 발명의 바람직한 실시예에 따른 엔진의 밸브제어장치는, 엔지의 실린더 헤드부위에 설치되어 있는 흡/배기 밸브외 더 추가 설치된 배기오픈밸브와; 상기 배기오픈밸브를 구동시키기 위한 밸브구동수단 및 차속신호와, 엔진온도신호, 컨버터온도신호, 스로틀밸브위치신호, 기어위치신호 및, 브레이크신호 등을 제공 받아서 그 신호들에 의거하여 상기 밸브구동수단을 제어하기위한 제어신호를 출력하는 전자제어장치를 구비하여 구성된다.In order to achieve the above object, a valve control apparatus for an engine according to a preferred embodiment of the present invention includes an exhaust / opening valve installed in addition to an intake / exhaust valve installed at a cylinder head of an engine; Valve driving means and a vehicle speed signal for driving the exhaust open valve, an engine temperature signal, a converter temperature signal, a throttle valve position signal, a gear position signal, a brake signal, and the like are received and based on the signals, the valve driving means It is configured with an electronic control device for outputting a control signal for controlling.
상기와 같은 목적을 달성하기 위하여 본 발명의 바람직한 실시예에 따른 엔진의 밸브제어방법은, 처음시작하여 현재의 차속이 기 설정되어 있는 최저 기준차속 이상인가의 가부(可否)를 판단하는 단계와, 차량의 엔진온도가 기 설정되어 있는 엔진기준온도를 초과하는가의 가부를 판단하는 단계, 컨버터온도가 기 설정되어 있는 컨버터 기준온도를 초과하는가의 가부를 판단하는 단계, 스로틀밸브가 완전히 폐쇄되었는가의 가부를 판단하는 단계, 기어단수가 4단 또는 5단에서 레버가 고정되어 있는가의 가부를 판단하는 단계, 브레이크 노(NO) 상태의 가부를 판단하는 단계, 현재의 차속이 기 설정된 최고기준차속 미만인가의 가부를 판단하는 단계, 상기 단계들을 순차수행한 후 상기 단계 모두가 가(可)판정이 될시에 엔진의 실린더 헤드부위에 설치되어 있는 기존의 흡/배기 밸브외에 더 부가 설치된 배기오픈밸브를 개방하고 연료공급을 차단하도록 제어를 수행하는 단계 및, 상기 단계들의 어느 한단계에 있어서 부(不)판정이 될시에는 상기 배기오픈밸브를 폐쇄하도록 제어를 수행하는 단계를 구비함을 특징으로 한다.In order to achieve the above object, a valve control method of an engine according to a preferred embodiment of the present invention includes the steps of: determining whether the current vehicle speed is equal to or greater than a predetermined minimum reference vehicle speed; Determining whether the engine temperature of the vehicle exceeds the preset engine reference temperature, determining whether the converter temperature exceeds the preset converter reference temperature, whether the throttle valve is completely closed Judging whether the lever is fixed in the 4th or 5th gear stage, judging whether or not the brake is in the NO state, and whether the current vehicle speed is less than the preset maximum reference vehicle speed. Determining whether or not the step of the step, after performing the steps sequentially when all of the steps are determined to be installed on the cylinder head of the engine Performing control to open the exhaust open valve further installed in addition to the existing intake / exhaust valve and shut off fuel supply, and when the exhaust open valve is negative in any one of the steps, And performing control to close.
이하, 첨부 도면을 참조하여 본 발명에 따른 엔진의 밸브제어장치 및 방법에 대하여 상세히 설명하기로 한다.Hereinafter, a valve control apparatus and a method of an engine according to the present invention will be described in detail with reference to the accompanying drawings.
제 2도는 본 발명에 따른 엔진의 밸브제어장치에 대한 구성도로서, 동 도면에서 참조부호 10은 제 1도에 도시된 엔진(100)의 실린더(10)헤드부분에 설치되어 있는 기존의 흡기밸브(11) 및 배기밸브외에 실린더(10)의 헤드부분에 부가 설치된 배기오픈밸브를 나타내는 것이고, 참조부호 20은 상기 배기오픈밸브(22)의 개/폐구 등을 위한 밸브구동부를 나타내는 것이며, 30은 차속신호와, 엔진온도신호, 컨버터온도신호, 스로틀밸브위치신호, 기어위치신호 및, 브레이크신호 등을 제공 받아서 그 신호들에 의거하여 상기 밸브구동수단을 제어하기위한 제어신호를 출력하는 전자제어장치를 나타내는 것이다.2 is a configuration diagram of a valve control apparatus for an engine according to the present invention, in which the reference numeral 10 is a conventional intake valve installed in the head of the cylinder 10 of the engine 100 shown in FIG. In addition to the exhaust valve 11 and the exhaust valve, an exhaust open valve is additionally provided in the head portion of the cylinder 10. Reference numeral 20 denotes a valve driving portion for opening / closing the exhaust opening valve 22 and the like. An electronic control device that receives a vehicle speed signal, an engine temperature signal, a converter temperature signal, a throttle valve position signal, a gear position signal, and a brake signal and outputs a control signal for controlling the valve driving means based on the signals. It represents.
제 3도는 본 발명에 따른 엔진의 밸브제어방법을 설명하는 플로우차트로서, 참조부호 50은 처음시작하여 차속감지센서로부터 제공되는 현재의 차속신호에 의거하여 그 현재의 차속이 기 설정되어 있는 최저기준차속 이상인가의 가부(可否)를 판단하는 단계를 나타내고, 51은 상기 단계 50의 수행후 현재의 차속이 최저기준차속 이상이라고 판단될시 엔진냉각수 감지센서로부터 제공되는 엔진온도신호에 의거하여 현재 차량의 엔진온도가 기 설정되어 있는 엔진기준온도를 초과하는가의 가부를 판단하는 단계를 나타내며, 52는 상기 단계 51의 수행후 현재의 엔진온도가 엔진기준온도를 초과하였다고 판단될시 컨버터온도가 기 설정되어 있는 컨버터 기준온도를 초과하는가의 가부를 판단하는 단계를 나타내고, 53은 상기 단계 52의 수행후 현재의 컨버터온도가 컨버터기준온도를 초과한다고 판단되면 스로틀위치센서에서 제공되는 신호에 기토하여 스로틀밸브가 완전히 폐쇄되었는가의 가부를 판단하는 단계를 나타내는 것이다.3 is a flowchart illustrating a method of controlling a valve of an engine according to the present invention, wherein reference numeral 50 denotes the lowest standard at which the current vehicle speed is preset based on a current vehicle speed signal provided from a vehicle speed sensor starting at the beginning. Determining whether the vehicle speed is abnormal or not, 51 indicates that the current vehicle speed is based on the engine temperature signal provided from the engine coolant sensor when it is determined that the current vehicle speed is equal to or higher than the minimum reference vehicle speed after performing step 50 above. Determining whether or not the engine temperature of the engine exceeds the preset engine reference temperature indicates a step of determining whether the engine temperature exceeds the engine reference temperature after performing the step 51. Determining whether or not the converter reference temperature is exceeded, and 53 indicates that the current converter after performing the step 52 Degrees indicates a step of determining whether or of the throttle valve has been fully closed by gito the signal provided by the throttle position sensor when it is determined that exceeds the reference temperature converter.
동 도면에서 참조부호 54는 상기 단계 53의 수행후 스로틀밸브가 완전폐쇄되었다고 판단되면 기어단수가 4단 또는 5단에서 레버가 고정되어 있는가의 가부를 판단하는 단계를 나타내고, 55는 상기 단계 54의 수행후 기어가 4단 또는 5단에서 고정되어 있다고 판단되면 브레이크가 잡히지 않은 브레이크노(NO)상태의 가부를 판단하는 단계를 나타내며, 56은 상기 단계 55를 수행한 후 브레이크NO상태라고 판단되면 차속감지센서로부터 제공되는 차속신호에 의거하여 현재의 차속이 기 설정되어 최고기준차속 미만인가의 가부를 판단하는 단계를 나타내는 것이다.In the figure, reference numeral 54 denotes a step of determining whether the gear stage is fixed at the fourth stage or the fifth stage when it is determined that the throttle valve is completely closed after the step 53 is performed. If it is determined that the gear is fixed in the fourth stage or the fifth stage after the execution, this indicates a step of determining whether the brake is in a no-brake state (NO), in which the brake is not applied. Based on the vehicle speed signal provided from the sensor, the present vehicle speed is set to determine whether the current vehicle speed is less than the maximum reference vehicle speed.
또한, 57은 상기 50 내지 56의 단계들을 순차수행한 후 상기 단계 모두가 가(可)판정 즉, YES판정이 될시에 실린더(10) 헤드부위에 설치되어 있는 기존의 홀/배기 밸브외에 더 부가 설치된 배기오픈밸브(22)를 개방하고 연료공급을 차단하도록 제어를 수행하는 단계를 나타내며, 58은 상기 50 내지 56의 단계들 중 어느 한 단계에 있어서 부(不)판정 즉, NO판정이 될시에는 상기 배기오픈밸브(22)를 폐쇄하도록 제어를 수행하는 단계를 나타내는 것이다.In addition, 57 is performed in addition to the conventional hole / exhaust valve installed in the head of the cylinder 10 when all of the above steps are sequentially determined, that is, YES, after the steps 50 through 56 are sequentially performed. Control is performed to open the additionally installed exhaust open valve 22 and cut off the fuel supply, and 58 denotes a negative determination, that is, a NO determination in any one of the steps of 50 to 56 above. In this case, the control is performed to close the exhaust open valve 22.
이상과 같이 본 발명에 따른 엔진의 밸브제어장치 및 방법에 의하면, 엔진의 실린더 헤드부위에 설치되어 있는 흡/배기 밸브외에 배기밸브 하나를 더 추가 설치하고, 전자제어장치에 의한 상기 배기밸브 개폐를 효율적으로 제어하므로써 속도향상 후 스로틀밸브를 닫아도 엔진브레이크의 작용없이 타행성을 향상시키고 배기계통의 밸브류, 컨버터 등이 냉각효과를 증진시켜 내구성 및 컨버터의 성능을 향상시키는 효과가 있다.According to the valve control apparatus and method of the engine according to the present invention as described above, in addition to the intake / exhaust valve provided on the cylinder head portion of the engine is further provided with an exhaust valve, the opening and closing of the exhaust valve by the electronic control device By controlling efficiently, even if the throttle valve is closed after speed improvement, the stroke performance is improved without the action of the engine brake, and the valves and converters of the exhaust system enhance the cooling effect, thereby improving durability and performance of the converter.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950061133A KR0146586B1 (en) | 1995-12-28 | 1995-12-28 | Valve control device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950061133A KR0146586B1 (en) | 1995-12-28 | 1995-12-28 | Valve control device and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970044124A KR970044124A (en) | 1997-07-26 |
| KR0146586B1 true KR0146586B1 (en) | 1998-08-17 |
Family
ID=19445797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950061133A KR0146586B1 (en) | 1995-12-28 | 1995-12-28 | Valve control device and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0146586B1 (en) |
-
1995
- 1995-12-28 KR KR1019950061133A patent/KR0146586B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR970044124A (en) | 1997-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100980886B1 (en) | Vibration reducing system in key-off and method thereof | |
| US7559304B2 (en) | Control device and control method for stopping and starting an internal combustion engine | |
| US20090037085A1 (en) | Starting system and method of internal combustion engine | |
| US7121233B2 (en) | Control apparatus for an internal combustion engine | |
| US20070062485A1 (en) | Apparatus and method for controlling internal combustion engine | |
| US6367446B1 (en) | Internal combustion engine control apparatus and method | |
| US6173694B1 (en) | Method and apparatus for controlling fuel injection in an in-cylinder type internal combustion engine | |
| US5832893A (en) | Control system for internal combustion engine | |
| JP2008088918A (en) | Internal combustion engine control device, control method, program for making computer implement the method, and recording medium for recording the program | |
| JP2007262956A (en) | Control device for internal combustion engine with egr device | |
| JP3678095B2 (en) | Control device for internal combustion engine | |
| KR0146586B1 (en) | Valve control device and method thereof | |
| JP2004225561A (en) | Variable cylinder system of internal combustion engine | |
| US7252057B2 (en) | Apparatus and method for controlling internal combustion engine | |
| US7025033B2 (en) | Method and arrangement for controlling a drive unit including an internal combustion engine | |
| US6978768B2 (en) | Acceleration control method for engine | |
| JP2910380B2 (en) | Engine control device | |
| KR20010039696A (en) | Fuel injection control system for internal combustion engine | |
| KR930010853B1 (en) | Engine control apparatus for fuel curtailment | |
| JP4103616B2 (en) | Internal combustion engine start control system | |
| JPH08144867A (en) | Exhaust gas recirculating system for diesel engine | |
| JP4020582B2 (en) | Control device for internal combustion engine | |
| JP3289653B2 (en) | Control device for internal combustion engine | |
| JP2004036626A (en) | Control method of direct injection engine | |
| EP1479899A2 (en) | Combustion control apparatus and method for internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| N231 | Notification of change of applicant | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20010504 Year of fee payment: 4 |
|
| LAPS | Lapse due to unpaid annual fee |