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    • 2. 发明公开
    • 내연 피스톤 엔진의 가변 입구 밸브 시스템의 작동을 제어하는 방법 및 내연 피스톤 엔진
    • 用于控制内燃活塞式发动机和内燃活塞式发动机的可变进气阀系统的操作
    • KR1020170083150A
    • 2017-07-17
    • KR1020177017366
    • 2014-12-01
    • 바르실라 핀랜드 오이
    • 외스뜨만프레드리끄까스똠
    • F02D41/00F02D35/02F02D13/02
    • F02D35/023F02D13/0234F02D13/0269F02D35/024F02D41/0002F02D41/0085F02D2041/001Y02T10/142Y02T10/18Y02T10/42
    • 본발명은내연피스톤엔진의각 실린더의입구밸브시스템 (20.1, 20.2, ... 20.n) 의작동을제어하는방법에관한것으로, 이방법은, 다음의단계들, i. 적어도, 하나의미리정해진크랭크각도위치 (θ) 에서각 실린더 (30.1, 30.2, ..., 30.n) 내의실린더압력 (p) 을측정하는단계, ii. 상기미리정해진크랭크각도위치 (θ) 에서적어도하나의측정된실린더압력에대응하는각 실린더 (30.1, 30.2, ..., 30.n) 에대한추정된폴리트로픽인덱스 (γ) 를결정하는단계, iii. 상기적어도하나의측정된실린더압력 (p) 및적어도하나의상기추정된폴리트로픽인덱스 (γ)를사용하여적어도제 2 크랭크각도위치 (θ) 에서추정된압축압력 (p) 을결정하는단계, 및 iv. 상기추정된압축압력 (p) 에응답하여실린더와관련하여배열된가변입구밸브시스템 (20.1, 20.2, ... 20.n) 의작동을제어하는단계를실행한다. 본발명은또한내연피스톤엔진에관한것이다.
    • 本发明涉及到控制入口阀系统(20.1,20.2,... 20.n)的内燃活塞发动机的每个气缸的操作的方法,该方法具有以下步骤,也就是 至少在一个预定的曲柄角位置(θ)测量每个汽缸(30.1,30.2,...,30.n)中的汽缸压力p,ii。 确定估计多变指标(α)对于在预定曲柄角位置(θ)处对应于至少一个测量汽缸压力的每个汽缸(30.1,30.2,...,30.n) III。 至少在第二曲柄角位置θ处使用至少一个测量的气缸压力p和至少一个所估计的多变指数γ确定估计的压缩压力p, IV。 并且响应于估计的压缩压力(p),控制相对于气缸布置的可变进气阀系统(20.1,20.2,...,20.n)的操作。 本发明还涉及一种内燃活塞式发动机。
    • 6. 发明公开
    • 압축 팽창비를 능동적으로 가변시키는 엔진
    • 发动机大量压缩机膨胀比
    • KR1020130067863A
    • 2013-06-25
    • KR1020110134868
    • 2011-12-14
    • 현대자동차주식회사
    • 조진희
    • F01L13/00F01L1/34F02D13/02F02D15/00
    • F02D13/0269F01L1/047F01L1/34F01L1/34413F01L2001/0473F02D13/0203Y02T10/142
    • PURPOSE: An engine with a variable compression-expansion ratio is provided to improve charging efficiency by applying a continuously variable valve timing unit and a variable valve duration unit to an intake cam shaft and an exhaust cam shaft at the same time. CONSTITUTION: An engine with a variable compression-expansion ratio comprises an intake cam shaft(120), an exhaust cam shaft(130), an intake vale variable timing unit(100), an exhaust valve variable timing unit(110), an intake vale variable duration unit(140), and an exhaust valve variable duration unit(150). The intake cam shaft comprises an intake cam which lifts an intake valve. The exhaust cam shaft comprises an exhaust cam which lifts an exhaust valve. The intake valve variable timing unit is mounted on one end of the intake cam shaft, and recognizes the rotation of the intake cam shaft. The exhaust valve variable timing unit is mounted on one end of the exhaust cam shaft, and recognizes the rotation of the exhaust cam shaft. The intake valve variable duration unit is mounted on the other end of the intake cam shaft, and changes the speed of the lift duration of the intake cam shaft. The exhaust valve variable duration unit is mounted on the other end of the exhaust cam shaft, and changes the speed of the lift duration of the exhaust cam shaft.
    • 目的:提供一种具有可变压缩膨胀比的发动机,以通过将可变气门正时单元和可变气门持续时间单元同时施加到进气凸轮轴和排气凸轮轴来提高充气效率。 构成:具有可变压缩膨胀率的发动机包括进气凸轮轴(120),排气凸轮轴(130),进气阀可变定时单元(100),排气阀可变定时单元(110),进气口 阀值可变持续时间单元(140)和排气阀可变持续时间单元(150)。 进气凸轮轴包括提升进气门的进气凸轮。 排气凸轮轴包括提升排气门的排气凸轮。 进气阀可变定时单元安装在进气凸轮轴的一端,并识别进气凸轮轴的旋转。 排气门可变定时单元安装在排气凸轮轴的一端,并识别排气凸轮轴的旋转。 进气阀可变持续时间单元安装在进气凸轮轴的另一端,并改变进气凸轮轴的提升持续时间的速度。 排气阀可变持续时间单元安装在排气凸轮轴的另一端,并且改变排气凸轮轴的提升持续时间的速度。
    • 7. 发明公开
    • 내연 기관용 가변 밸브 장치
    • 用于内燃机的可变阀装置
    • KR1020110050385A
    • 2011-05-13
    • KR1020100109812
    • 2010-11-05
    • 미쯔비시 지도샤 고교 가부시끼가이샤
    • 무라따신이찌
    • F01L1/34F01L1/344F02D9/08
    • F01L1/34413F01L1/34F01L2001/0473F01L2800/01F01L2800/02F02D13/0238F02D13/0257F02D13/0269Y02T10/142
    • PURPOSE: A variable valve device for an internal combustion engine is provided to improve the operating performance of an internal combustion engine by preventing the deterioration of combustion stability and fuel efficiency during an ultra-low speed ultra-low load condition of the internal combustion engine. CONSTITUTION: A variable valve device for an internal combustion engine comprises a cam phase change mechanism and a phase change control unit. The cam phase change mechanism comprises first and second intake valves, which are respectively driven with first and second intake cams, in each cylinder and changes the phase of the second intake cam with respect to the first intake cam. The phase change control unit controls the second intake valve to be advanced more than the most advanced position when the engine in an ultra-low speed ultra-low load condition.
    • 目的:提供一种用于内燃机的可变气门装置,通过防止在内燃机的超低速超低负载状态下的燃烧稳定性和燃料效率的劣化来提高内燃机的运行性能。 构成:用于内燃机的可变气门装置包括凸轮相变机构和相变控制单元。 凸轮相变机构包括在每个气缸中分别由第一和第二进气凸轮驱动的第一和第二进气门,并且相对于第一进气凸轮改变第二进气凸轮的相位。 当发动机处于超低速超低负载状态时,相变控制单元将第二进气门控制为超过最先进位置。
    • 8. 发明公开
    • 혼합식 캠 샤프트를 구비한 내연기관
    • 内燃机与混合CAMSHAFTS
    • KR1020090061634A
    • 2009-06-16
    • KR1020097006110
    • 2007-09-11
    • 폭스바겐 악티엔 게젤샤프트
    • 그뢰넨디지크악셀코넬리우스볼커
    • F01L1/34F01L1/047F02D13/02
    • F01L1/34F01L2800/16F02D13/0257F02D13/0269Y02T10/142
    • The invention relates to an internal combustion engine, especially a diesel engine, especially of a motor vehicle, with at least one working cylinder, wherein each working cylinder has at least two inlet valves and at least one outlet valve assigned thereto, at least two camshafts (16, 18) being provided, of which at least one camshaft (16, 18) actuates at least one inlet valve and also at least one outlet valve. On at least one camshaft (18), which actuates at least one inlet valve and also at least one outlet valve, an is arranged an adjuster (28) which adjusts valve control times of the inlet and outlet valves assigned to this camshaft (18), optionally earlier or later, relative to the valve control times of the at least one other camshaft (16).
    • 本发明涉及一种具有至少一个工作缸的内燃机,特别是具有机动车辆的柴油发动机,其中每个工作缸具有至少两个入口阀和至少一个分配给它的出口阀,至少两个凸轮轴 (16,18),其中至少一个凸轮轴(16,18)致动至少一个入口阀和至少一个出口阀。 在至少一个启动至少一个入口阀和至少一个出口阀的凸轮轴(18)上设置有调节器(28),调节器(28)调节分配给该凸轮轴(18)的入口和出口阀的阀控制时间, ,可选地更早或更晚地相对于至少一个其它凸轮轴(16)的阀控制时间。