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    Spark-ignition gasoline engine
    3.
    发明申请
    Spark-ignition gasoline engine 有权
    火花点火汽油机

    公开(公告)号：US20070227503A1

    公开(公告)日：2007-10-04

    申请号：US11727890

    申请日：2007-03-28

    申请人： Mitsuo Hitomi ,  Noriyuki Iwata ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Yohso ,  Takayoshi Hayashi

    发明人： Mitsuo Hitomi ,  Noriyuki Iwata ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Yohso ,  Takayoshi Hayashi

    IPC分类号： F02P5/00 ,  F02B75/02

    CPC分类号： F02P5/151 ,  F02D13/0223 ,  F02D13/0269 ,  F02D15/04 ,  F02D37/02 ,  F02D41/0002 ,  F02D41/3029 ,  F02D41/402 ,  F02D2041/001 ,  F02P5/1512 ,  Y02T10/142 ,  Y02T10/42 ,  Y02T10/44 ,  Y02T10/46

    摘要： Disclosed is a spark-ignition gasoline engine, which comprises control means operable, when an engine operation zone is a high-load operation zone including a WOT region within at least a low speed range, to adjust a closing timing of an intake valve in such a manner as to maintain an effective compression ratio at 13 or more, and retard an ignition timing to a point within a predetermined stroke range just after a top dead center of a compression stroke, wherein the effective compression ratio is calculated based on an intake-valve closing timing defined by a valve lift amount of 1 mm. The present invention can provide a spark-ignition gasoline engine having both a low-cost performance and a high engine-power performance even in a high-load operation zone (particularly WOT region) in a low speed range.

    摘要翻译： 公开了一种火花点火汽油发动机，其包括控制装置，当发动机操作区域是包括至少低速范围内的WOT区域的高负荷运行区域时，可以调节进气门的关闭正时 将有效压缩比保持在13以上的方式，并将点火正时延迟到刚刚在压缩冲程的上止点之后的预定行程范围内的点，其中基于进气压力计算有效压缩比， 阀门关闭时间由阀门升程量为1mm定义。 本发明可以提供即使在低负荷运行区域（特别是WOT区域）中也具有低成本性能和高发动机功率性能的点火点火汽油机。

    Spark-ignition gasoline engine
    4.
    发明授权
    Spark-ignition gasoline engine 有权
    火花点火汽油机

    公开(公告)号：US07784443B2

    公开(公告)日：2010-08-31

    申请号：US12362645

    申请日：2009-01-30

    申请人： Mitsuo Hitomi ,  Noriyuki Iwata ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Yohso ,  Takayoshi Hayashi

    发明人： Mitsuo Hitomi ,  Noriyuki Iwata ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Yohso ,  Takayoshi Hayashi

    IPC分类号： F02P5/15 ,  F02B75/10

    CPC分类号： F02P5/151 ,  F02D13/0223 ,  F02D13/0269 ,  F02D15/04 ,  F02D37/02 ,  F02D41/0002 ,  F02D41/3029 ,  F02D41/402 ,  F02D2041/001 ,  F02P5/1512 ,  Y02T10/142 ,  Y02T10/42 ,  Y02T10/44 ,  Y02T10/46

    摘要： A spark-ignition gasoline engine having at least a spark plug, the engine including an engine body having a geometrical compression ratio set at 14 or more, and an intake valve and an exhaust valve provided, respectively, in intake and exhaust ports connected to each of a plurality of cylinders of the engine body. The intake and exhaust valves are adapted to open and close corresponding respective ones of the intake and exhaust ports. The engine further includes an operation-state detector adapted to detect an operation state of the engine body and a control system adapted, based on detection of the operation-state detector, to perform at least an adjustment control of an ignition timing of the spark plug, the control system being operable, when an engine operation zone is a high-load operation zone including a wide open throttle region within at least a low speed range, to retard the ignition timing to a point within a predetermined stroke range just after a top dead center of a compression stroke.

    摘要翻译： 具有至少火花塞的火花点火汽油机，所述发动机包括具有设定在14以上的几何压缩比的发动机主体，以及分别设置在连接到每个的进气和排气口的进气门和排气门 的发动机主体的多个气缸。 进气门和排气门适于打开和关闭相应的进气口和排气口。 发动机还包括适于检测发动机主体的运行状态的操作状态检测器和控制系统，该控制系统基于操作状态检测器的检测，至少对火花塞的点火正时进行调节控制 所述控制系统可操作，当发动机操作区域是包括至少低速范围内的大开度节流区域的高负载运行区域时，将点火正时延迟到正好在顶部之后的预定行程范围内的点 压缩冲程的死点。

    SPARK-IGNITION GASOLINE ENGINE
    5.
    发明申请
    SPARK-IGNITION GASOLINE ENGINE 有权
    火花点火汽油发动机

    公开(公告)号：US20090159045A1

    公开(公告)日：2009-06-25

    申请号：US12362645

    申请日：2009-01-30

    申请人： Mitsuo Hitomi ,  Noriyuki Iwata ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Yohso ,  Takayoshi Hayashi

    发明人： Mitsuo Hitomi ,  Noriyuki Iwata ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Yohso ,  Takayoshi Hayashi

    IPC分类号： F02P5/04

    CPC分类号： F02P5/151 ,  F02D13/0223 ,  F02D13/0269 ,  F02D15/04 ,  F02D37/02 ,  F02D41/0002 ,  F02D41/3029 ,  F02D41/402 ,  F02D2041/001 ,  F02P5/1512 ,  Y02T10/142 ,  Y02T10/42 ,  Y02T10/44 ,  Y02T10/46

    摘要： A spark-ignition gasoline engine having at least a spark plug, the engine including an engine body having a geometrical compression ratio set at 14 or more, and an intake valve and an exhaust valve provided, respectively, in intake and exhaust ports connected to each of a plurality of cylinders of the engine body. The intake and exhaust valves are adapted to open and close corresponding respective ones of the intake and exhaust ports. The engine further includes an operation-state detector adapted to detect an operation state of the engine body and a control system adapted, based on detection of the operation-state detector, to perform at least an adjustment control of an ignition timing of the spark plug, the control system being operable, when an engine operation zone is a high-load operation zone including a wide open throttle region within at least a low speed range, to retard the ignition timing to a point within a predetermined stroke range just after a top dead center of a compression stroke.

    摘要翻译： 具有至少火花塞的火花点火汽油机，所述发动机包括具有设定在14以上的几何压缩比的发动机主体，以及分别设置在连接到每个的进气和排气口的进气门和排气门 的发动机主体的多个气缸。 进气门和排气门适于打开和关闭相应的进气口和排气口。 发动机还包括适于检测发动机主体的运行状态的操作状态检测器和控制系统，该控制系统基于操作状态检测器的检测，至少对火花塞的点火正时进行调节控制 所述控制系统可操作，当发动机操作区域是包括至少低速范围内的大开度节流区域的高负载运行区域时，将点火正时延迟到正好在顶部之后的预定行程范围内的点 压缩冲程的死点。

    Supercharged direct fuel injection engine
    8.
    发明授权
    Supercharged direct fuel injection engine 有权
    增压直喷式发动机

    公开(公告)号：US09328688B2

    公开(公告)日：2016-05-03

    申请号：US12749388

    申请日：2010-03-29

    申请人： Mitsuo Hitomi ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Youso ,  Keiji Araki

    发明人： Mitsuo Hitomi ,  Masahisa Yamakawa ,  Toshiaki Nishimoto ,  Takashi Youso ,  Keiji Araki

    IPC分类号： F02B3/00 ,  G06F17/00 ,  F02D41/30 ,  F02D41/40

    CPC分类号： F02D41/3035 ,  F02D41/402 ,  Y02T10/128 ,  Y02T10/44

    摘要： Various systems and methods are disclosed for controlling an internal combustion engine system having an internal combustion engine, a fuel injector which directly injects fuel into a combustion chamber of the internal combustion engine, and a supercharger which supercharges air into the combustion chamber. One example method comprises, injecting fuel into the combustion chamber multiple times so that a first part of the fuel is self ignited and a last part of the fuel being injected during the compression stroke or later in a cylinder cycle when a desired torque of said internal combustion engine system is in a first range; and increasing a pressure of air which the supercharger charges into the combustion chamber as amount of fuel injected into the combustion chamber during a cylinder cycle increases when the desired torque is in the first range.

    摘要翻译： 公开了用于控制内燃机系统的各种系统和方法，所述内燃机系统具有内燃机，将燃料直接喷射到内燃机的燃烧室中的燃料喷射器，以及将空气增压到燃烧室中的增压器。 一个示例性方法包括：将燃料多次喷射到燃烧室中，使得燃料的第一部分自燃，并且在压缩行程期间或稍后在汽缸循环中喷射燃料的最后部分，当所述内部的期望扭矩 内燃机系统处于第一范围; 并且当期望的扭矩处于第一范围时，增加在气缸循环期间喷射到燃烧室中的燃料量增加时增压器充入燃烧室的空气压力。

    Supercharged direct-injection engine
    9.
    发明授权
    Supercharged direct-injection engine 有权
    增压直喷发动机

    公开(公告)号：US08468823B2

    公开(公告)日：2013-06-25

    申请号：US12728830

    申请日：2010-03-22

    申请人： Mitsuo Hitomi ,  Masahisa Yamakawa ,  Takashi Youso ,  Toshiaki Nishimoto ,  Keiji Araki

    发明人： Mitsuo Hitomi ,  Masahisa Yamakawa ,  Takashi Youso ,  Toshiaki Nishimoto ,  Keiji Araki

    IPC分类号： F02B33/44 ,  F02B33/00 ,  F02D23/00 ,  B60T7/12 ,  G05D1/00 ,  G06F7/00 ,  G06F17/00

    CPC分类号： F02D41/3035 ,  F02D41/3041 ,  F02D41/402 ,  Y02T10/128 ,  Y02T10/44

    摘要： Disclosed is a supercharged direct-injection engine, which comprises a supercharging device (25, 30) for compressing intake air, and an injector 10 for directly injecting fuel into a combustion chamber 5. In the engine, an excess air factor λ as a ratio of an actual air-fuel ratio to a stoichiometric air-fuel ratio, at least in an engine warmed-up mode, is set to 2 or more in the entire engine-load region. Further, compressed self-ignited combustion is performed in a low engine-load region, and a supercharging amount by the supercharging device (25, 30) is increased along with an increase in engine load in a high engine-load region to allow the excess air factor λ to be kept at 2 or more. The engine of the present invention can effectively reduce NOx emission, while improving fuel economy.

    摘要翻译： 公开了一种增压直喷式发动机，其包括用于压缩进气的增压装置（25,30）和用于将燃料直接喷射到燃烧室5中的喷射器10.在发动机中，过量空气因子λ作为比率 至少在发动机预热模式下，实际的空燃比至理论空燃比在整个发动机负载区域中设定为2以上。 此外，在低发动机负载区域中执行压缩自燃燃烧，并且通过增压装置（25,30）的增压量随着高发动机负载区域中的发动机负荷的增加而增加，以允许过量 空气因子λ保持在2以上。 本发明的发动机可以有效地减少NOx排放，同时提高燃油经济性。