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公开(公告)号:KR1020090127661A
公开(公告)日:2009-12-14
申请号:KR1020080053750
申请日:2008-06-09
Inventor: 이성하
CPC classification number: F02B37/186 , F02D41/0007 , Y02T10/144
Abstract: PURPOSE: An air control system for controlling the super-charging of an engine and a method thereof are provided to secure the time for dehumidifying on the air to be supplied to an air tank and to prevent an air line from being clogged by the water freezing. CONSTITUTION: An air control system for controlling the super-charging of an engine comprises a turbo charger(1), a waste gate valve(3), a waste gate control valve(6), an air shutoff valve(10) and an engine control unit(7). The turbo charger is installed in an inhalation/exhaustion pipe of an engine. The waste gate valve is installed in the turbo charger. The waste gate control valve receives the air from an air tank and supplies a part of the air to adjust an opening degree of the waste gate valve. The air shutoff valve is installed in a flow path between the waste gate control valve and the air tank. The engine control unit controls the operation of the air shutoff valve and the waste gate control valve.
Abstract translation: 目的:提供一种用于控制发动机超级充气的空气控制系统及其方法,以确保要供应到空气罐的空气上的除湿时间,并防止空气管路被水冻结堵塞 。 构成:用于控制发动机超级充气的空气控制系统包括涡轮增压器(1),废气闸阀(3),废气门控制阀(6),空气截止阀(10)和发动机 控制单元(7)。 涡轮增压器安装在发动机的吸入/排气管中。 废气闸阀安装在涡轮增压器中。 废气门控制阀接收来自空气罐的空气并供给一部分空气以调节废气闸阀的开度。 空气截止阀安装在废门控制阀和空气罐之间的流路中。 发动机控制单元控制空气截止阀和废气门控制阀的运行。
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公开(公告)号:KR101776335B1
公开(公告)日:2017-09-08
申请号:KR1020110131683
申请日:2011-12-09
CPC classification number: F02M21/0215 , F02B43/00 , F02B2043/103 , F02F1/24 , F02F1/242 , F02F1/243 , F02F1/4235 , F02M21/0278 , F02M21/0281 , Y02T10/32
Abstract: 본발명은실린더블록에형성된각 기통별로독립적으로연료분사가가능할뿐만아니라각 기통의운전상태에따라연료의분사를조절하여엔진의출력및 연비향상을도모할수 있도록한 CNG 엔진의독립연료분사시스템을제공하기위해, 압축천연가스를연료로하는엔진의흡기포트를갖춘실린더헤드와, 상기실린더헤드에외기를공급하도록상기실린더헤드에연통되게연결된흡기매니폴드및, 상기흡기매니폴드와상기실린더헤드의연결부위와인접한상기흡기매니폴드의소정부위에설치되어상기압축천연가스연료를상기흡기포트쪽으로분사하는인젝션모듈을구비한다.
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公开(公告)号:KR1020130109323A
公开(公告)日:2013-10-08
申请号:KR1020120030958
申请日:2012-03-27
CPC classification number: F01M1/16 , Y10T137/85986
Abstract: PURPOSE: A vehicle oil pump control system and an operation method thereof are provided to actively control the discharging flow rate of an oil pump by using an engine rotation number, the inner temperature variable of an engine control unit (ECU) or an oil temperature sensor, thereby improving the fuel efficiency of the engine. CONSTITUTION: A vehicle oil pump control system includes an oil pump (110), a hydraulic pressure control valve (120), an oil sensor (130), and a control unit (140). The oil pump forms the pressure for supplying oil to an engine. The hydraulic pressure control valve controls the pressure of oil supplied to the engine. The oil sensor senses the pressure and temperature of oil supplied to the engine. The controller controls the hydraulic pressure control valve so as to follow the target oil pressure value in which the monitored oil pressure is calculated. [Reference numerals] (130) Oil sensor; (140) Control unit; (E) Engine
Abstract translation: 目的:提供一种车用油泵控制系统及其操作方法,通过使用发动机转速,发动机控制单元(ECU)的内部温度变量或油温传感器来主动地控制油泵的排出流量 ,从而提高发动机的燃料效率。 构成:车辆油泵控制系统包括油泵(110),液压控制阀(120),油传感器(130)和控制单元(140)。 油泵形成向发动机供油的压力。 液压控制阀控制供给发动机的油的压力。 油传感器检测供应给发动机的油的压力和温度。 控制器控制液压控制阀,以便遵循计算监测油压的目标油压值。 (附图标记)(130)油传感器; (140)控制单元; (E)发动机
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公开(公告)号:KR101519298B1
公开(公告)日:2015-05-12
申请号:KR1020140059128
申请日:2014-05-16
CPC classification number: F01M1/18 , F01M1/20 , F01M5/002 , F01M11/10 , F01M2250/60 , G01M15/048
Abstract: 본발명은, 바이패스밸브하류측의오일온도를측정하는측정단계; 상기하류측오일온도와바이패스밸브의개방또는폐쇄를위한기준온도를비교하여, 바이패스밸브가정상적으로작동시의개폐상태를예측하는예측단계; 상기예측결과에따라, 상기하류측오일온도와, 차량의주행상태및 주행조건을반영한출력변수로부터결정되는최저기준온도및 최고기준온도를비교하여바이패스밸브가개방또는폐쇄된상태로고착된고장상황을진단하는진단단계;를포함하여구성되는차량용오일냉각회로의바이패스밸브진단방법및 장치가소개된다.
Abstract translation: 在本发明中,公开了一种用于诊断车辆油冷却回路上的旁通阀的装置和方法,包括:测量旁通阀下游侧的油温的测量步骤; 估计阀通过比较下游侧的油温和用于打开和关闭旁通阀的参考温度来估计旁通阀正常操作时的打开和关闭状态; 以及诊断步骤,通过比较从输出变量确定的最低参考温度和最高参考温度来确定旁通阀被固定以打开和关闭的故障条件,其中下游侧的油温,行驶状态和 根据估计结果来反映车辆的行驶状况。
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公开(公告)号:KR101371486B1
公开(公告)日:2014-03-10
申请号:KR1020120147769
申请日:2012-12-17
Abstract: The present disclosure discloses an anti-surge control method by utilizing a waste gate valve of the compressed natural gas (CNG) engine. The disclosed anti-surge control method by utilizing a waste gate valve of the CNG engine is characterized that the method includes (a) a step of operating an engine under supercharging control mode and under normal driving condition; (b) a step of determining whether an accelerator pedal value is equal to or less than a control setting value; (c) a step of determining whether it is fuel cut-off mode when the accelerator pedal value is equal to or less than a control setting value in the step (b); and (d) a step of executing anti-surge mode by utilizing the waste gate valve. [Reference numerals] (110) Normal driving (supercharging control mode); (120) Is an accelerator pedal value equal to or less than the control setting value?; (130) Fuel cut-off mode?; (140) Execute the anti-surging control mode (Opens as much as the setting for an opening amount); (150) Is the setting time for operating the anti-surging control satisfied ?; (160) Release the anti-surging control mode; (AA,CC,EE) NO; (BB,DD,FF) YES
Abstract translation: 本公开公开了一种利用压缩天然气(CNG)发动机的废气闸阀的防喘振控制方法。 所公开的利用CNG发动机的废气闸阀的防喘振控制方法的特征在于,该方法包括(a)在增压控制模式和正常驾驶状态下操作发动机的步骤; (b)确定加速踏板值是否等于或小于控制设定值的步骤; (c)当步骤(b)中加速器踏板值等于或小于控制设定值时,确定是否为燃料切断模式的步骤; 以及(d)利用废气闸阀执行防喘振模式的步骤。 (附图标记)(110)正常驱动(增压控制模式) (120)加速踏板值等于或小于控制设定值α; (130)燃油切断模式? (140)执行防喘振控制模式(打开开启量的设置); (150)是否满足运行防喘振控制的设定时间? (160)释放防喘振控制模式; (AA,CC,EE)NO; (BB,DD,FF)是
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公开(公告)号:KR101326850B1
公开(公告)日:2013-11-11
申请号:KR1020120110027
申请日:2012-10-04
Inventor: 이성하
CPC classification number: B60W10/30 , B60W10/06 , F01M1/16 , F01M2250/64
Abstract: The present invention relates to a system for controlling an oil pump and a method thereof. The system for controlling the oil pump and the method thereof set initial target oil pressure of the oil pump from rotation speed of an engine or oil temperature and calculate a pressure compensation value by considering a target torque or a target fuel rate of the engine. The system for controlling the oil pump and the method thereof calculates final target oil pressure by adding the pressure compensation value to the initial target oil pressure and controls the oil pump with feedback in order for current oil pressure to follow the final target oil pressure. [Reference numerals] (AA) Start;(BB) End;(S10) Is it possible for oil concentration to be measured?;(S20) Set an initial target oil pressure;(S25) Calculate a target torque and the target amount of fuel;(S31) Calculate an absolute value of the difference between the first and second oil pressures;(S32) Calculate a pressure compensation coefficient;(S33) Calculate a pressure compensation value (an absolute value � a pressure compensation coefficient);(S40) Calculate a final target oil pressure;(S50) Set a final target oil pressure;(S60) Control the oil pump with feedback in order for current oil pressure to follow the final target oil pressure
Abstract translation: 本发明涉及一种油泵控制系统及其方法。 用于控制油泵的系统及其方法根据发动机的转速或油温来设定油泵的初始目标油压,并通过考虑发动机的目标转矩或目标燃料比来计算压力补偿值。 用于控制油泵的系统及其方法通过将压力补偿值与初始目标油压相加来计算最终目标油压,并且通过反馈来控制油泵以使当前油压遵循最终目标油压。 (标号)(AA)开始;(BB)结束;(S10)可以测量油浓度α;(S20)设定初始目标油压;(S25)计算目标转矩和目标转速 燃料;(S31)计算第一和第二油压之差的绝对值;(S32)计算压力补偿系数;(S33)计算压力补偿值(绝对值 压力补偿系数);(S40 )计算最终目标油压;(S50)设定最终目标油压;(S60)用反馈控制油泵,以使当前油压遵循最终目标油压
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公开(公告)号:KR1020130065008A
公开(公告)日:2013-06-19
申请号:KR1020110131683
申请日:2011-12-09
CPC classification number: F02M21/0215 , F02B43/00 , F02B2043/103 , F02F1/24 , F02F1/242 , F02F1/243 , F02F1/4235 , F02M21/0278 , F02M21/0281 , Y02T10/32
Abstract: PURPOSE: An independence fuel injection system of a CNG(Compressed Natural Gas) engine is provided to facilitate the installation of an injector module without changing a cylinder head by installing an injector spraying a fuel to each cylinder in an appointed area of an intake manifolder which is adjacent to a connection part between the intake manifolder and the cylinder head. CONSTITUTION: An independence fuel injection system of a CNG(Compressed Natural Gas) engine comprises a cylinder head(6), an intake manifolder(5), and an injection module. The cylinder head has an intake port(6a) of an engine which uses compressed natural gas as a fuel. The intake manifolder is connected to the cylinder head in order to supply outdoor air to the cylinder head. The injection module is installed at an appointed area of the intake manifolder adjacent to the cylinder head, and spraying the compressed natural gas fuel towards the intake port. [Reference numerals] (AA) Fuel; (BB) Air
Abstract translation: 目的:提供CNG(压缩天然气)发动机的独立性燃料喷射系统,以便于安装喷油器模块而不改变气缸盖,方法是安装喷油器将燃料喷射到进气歧管的指定区域中的每个气缸上, 与进气歧管和气缸盖之间的连接部分相邻。 构成:CNG(压缩天然气)发动机的独立燃料喷射系统包括气缸盖(6),进气歧管(5)和注射模块。 气缸盖具有使用压缩天然气作为燃料的发动机的进气口(6a)。 进气歧管连接到气缸盖,以便向气缸盖供应室外空气。 注射模块安装在靠近气缸盖的进气歧管的指定区域,并将压缩的天然气燃料喷射到进气口。 (附图标记)(AA)燃料; (BB)空气
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公开(公告)号:KR101470235B1
公开(公告)日:2014-12-15
申请号:KR1020130133582
申请日:2013-11-05
CPC classification number: F01M1/08 , F01M1/16 , F01M2001/086 , F01P3/08 , F01P2050/22 , F02F3/22
Abstract: 본 발명의 피스톤 쿨링 오일 제트 분사 고장 판단방법에는 가변오일펌프(10)의 오일 압력이 일정하게 유지되어져 기준유압으로 설정되고, 피스톤 쿨링 오일 제트(Piston Cooling Oil Jet)(20)의 오일제트 분사가 이루어진 후 또는 피스톤 쿨링 오일 제트(Piston Cooling Oil Jet)(20)의 오일제트 분사가 중단된 후 상기 기준유압의 변화가 체크되며, 상기 기준유압 변화가 없을 때 상기 오일제트 분사 통로를 개폐하는 솔레노이드 밸브(Solenoid Valve)의 고장(Fail)이 판단되는 밸브고장체크로직이 포함됨으로써, 별도의 하드웨어(Hardware)의 적용 없이 소프트웨어(Software)적으로 만 솔레노이드 밸브(Solenoid Valve)의 고장(Fail)이 체크될 수 있고, 특히 솔레노이드 밸브(Solenoid Valve)의 고장(Fail)에 대한 운전자 인식과 함께 엔진회전수나 엔진 토크가 제한됨으로써 엔진보호가 이루어지는 특징을 갖는다.
Abstract translation: 本发明涉及一种确定活塞冷却油喷射的故障的方法,其中可变油泵(10)的油压恒定地保持为基准油压,检查参考油压的变化 在喷射活塞冷却油喷射(20)的油喷射完成或活塞冷却油喷射(20)的喷油喷射停止之后,并且包括阀故障检查逻辑以确定电磁阀开度的故障, 在不改变基准油压的情况下关闭油喷射通道,使得可以通过软件检查电磁阀故障而不使用单独的硬件,特别是可以限制一些发动机转动或发动机扭矩 驱动器识别电磁阀故障,以保护发动机。
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公开(公告)号:KR101273055B1
公开(公告)日:2013-06-10
申请号:KR1020110125882
申请日:2011-11-29
Abstract: 본 발명의 대용량 분사연료 자동보정방법은 인젝터 자동보정모드의 실행에 따라 산출된 최종이론연료량으로 각 기통별 담당 인젝터의 연료분사제어가 이루어짐으로써, 각 기통별 공연비 보상제어를 정밀하게 구현하여 연비를 향상과 지속적인 성능 유지는 물론 오염과 에이징(Aging) 또는 손상으로 문제된 대상 인젝터를 정확히 선별하고 교체할 수 있는 특징을 갖는다.
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公开(公告)号:KR1020130059749A
公开(公告)日:2013-06-07
申请号:KR1020110125882
申请日:2011-11-29
CPC classification number: F02D41/1454 , F02D41/04 , F02D41/062 , F02D41/402 , Y02T10/44
Abstract: PURPOSE: A bulk injection fuel auto compensation method is provided to accurately select and replace an object injector which becomes a problem due to a contamination and an aging, or damage by automatic performing a compensation of a fuel amount according to an injector in charge of a cylinder and by performing a diagnostic function of an injector. CONSTITUTION: A bulk injection fuel auto compensation method comprises the following steps: after starting an engine, and entering into an automatic compensation mode for an injector injection fuel amount compensation, a running engine is converted into an idle state(S20); when the engine is converted into the idle state, whether a vehicle mileage which is a driving distance of a vehicle is satisfied with a specific condition or not is determined(S50); when a vehicle mileage condition is satisfied, a whole cylinder air-fuel ratio mean value(Pi_avr) is computed by performing a forcing operation pause and an injector operation according to each cylinder about a whole cylinder; whether a fuel compensation need of the injector or not is determined by comparing the whole cylinder air-fuel ratio mean value(Pi_avr) with a reference value(λ); when a fuel compensation of the injector is necessary, an individual compensation constant value(G) about each cylinder is computed by using a reference value(λ) and a each cylinder air-fuel ratio value, and a final theory fuel amount of the injector is computed by using the correction constant value(G) and a present fuel amount; after a fuel compensation completion stage, the injector is fuel injection controlled as the final theory fuel amount; and an engine is operated. [Reference numerals] (S10) Turn on an engine IG ST; (S100) Control fuel injection; (S20) Enter an injector automatic compensation mode?; (S200) Drive a vehicle; (S30) Engine start on progress; (S300) Stop the vehicle; (S31) Check the condition of engine fail(Fault or Error); (S32) No engine fail?; (S50) Driving mileage >= Reference miles? & Generation of injector aiging; (S60) Enter an idle state; (S70) Turn on an injector auto compensation mode; (S80) Compute an initial electricity container air-fuel ratio mean value(Pi_avr), Injector force pause operation modes #1-#6 for each cylinder; (S81) Exhaust system oxygen sensor detection value; (S82) Compute air-fuel ratio for each cylinder; (S83) Stop force pause operation mode, compare the whole cylinder air-fuel ratio mean values(Pi_avr); (S90) Implement fa uel compensation mode; (S91) Compute a compensation constant value(G) for each cylinder; (S92) Apply a final fuel amount
Abstract translation: 目的:提供散装燃料自动补偿方法,以准确地选择和更换由于污染和老化而成为问题的物体喷射器,或者通过根据负责喷射器的喷射器自动执行燃料量的补偿而造成的损坏 并且通过执行喷射器的诊断功能。 构成:散装燃料自动补偿方法包括以下步骤:起动发动机后,进入喷射器喷射量补偿的自动补偿模式,将运转的发动机转换为空转状态(S20)。 当发动机转换为空转状态时,确定车辆行驶距离是否满足特定条件的车辆里程(S50)。 当满足车辆里程条件时,通过根据每个气缸围绕整个气缸执行强制操作暂停和喷射器操作来计算整个气缸空燃比平均值(Pi_avr); 通过将整个气缸空燃比平均值(Pi_avr)与参考值(λ)进行比较来确定是否需要喷射器的燃料补偿; 当需要喷射器的燃料补偿时,通过使用参考值(λ)和每个气缸空燃比值以及喷射器的最终理论燃料量来计算关于每个气缸的单独的补偿常数值(G) 通过使用校正常数值(G)和当前燃料量来计算; 在燃料补偿完成阶段之后,喷射器作为最终理论燃料量被控制为燃料喷射; 并且发动机被操作。 (参考号)(S10)接通发动机IG ST; (S100)控制燃油喷射; (S20)进入喷油器自动补偿模式? (S200)驾驶车辆; (S30)发动机开始进行; (S300)停车; (S31)检查发动机故障状态(故障或错误); (S32)没有发动机故障? (S50)驾驶里程> =参考里程? 并生成注射器; (S60)进入空闲状态; (S70)打开进样器自动补偿模式; (S80)计算每个气缸的初始电力容器空燃比平均值(Pi_avr),喷射力暂停运转模式#1-#6; (S81)排气系统氧气传感器检测值; (S82)计算每个气缸的空燃比; (S83)停止力暂停运行模式,比较整个气缸空燃比平均值(Pi_avr); (S90)实行立法补偿方式; (S91)计算每个气缸的补偿常数值(G); (S92)应用最终燃料量
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