公开(公告)号：US06390057B2

公开(公告)日：2002-05-21

申请号：US09734890

申请日：2000-12-13

申请人： Koudai Yoshizawa ,  Ken Naitoh ,  Atushi Teraji ,  Eiji Aochi ,  Hiroshi Miyakubo

发明人： Koudai Yoshizawa ,  Ken Naitoh ,  Atushi Teraji ,  Eiji Aochi ,  Hiroshi Miyakubo

IPC分类号： F02B1700

CPC分类号： F02B17/00 ,  F02B1/12 ,  F02B31/085 ,  F02B47/08 ,  F02B2275/48 ,  F02D13/0249 ,  F02D13/0261 ,  F02D41/3035 ,  F02D2013/0292 ,  F02D2041/001 ,  Y02T10/125 ,  Y02T10/146

摘要： A compression self-ignition gasoline engine includes a stratifying device stratifying gas in a combustion chamber of the engine, a fuel injector directly injecting fuel in the combustion chamber and a controller connected to the stratifying device and the fuel injector. The controller controlling the stratifying device to produce a high temperature gas layer of a high temperature gas and a low temperature gas layer of a low temperature gas in the combustion chamber. The controller further controls the fuel injector to inject the fuel to both the high temperature gas layer and the low temperature gas layer.

摘要翻译： 压缩自点火汽油发动机包括分层装置，在发动机的燃烧室中分层气体，直接在燃烧室中喷射燃料的燃料喷射器和连接到分层装置和燃料喷射器的控制器。 控制分层装置的控制器在燃烧室中产生高温气体和低温气体的低温气体层的高温气体层。 控制器进一步控制燃料喷射器将燃料喷射到高温气体层和低温气体层。

公开(公告)号：US06401688B2

公开(公告)日：2002-06-11

申请号：US09769365

申请日：2001-01-26

申请人： Atushi Teraji ,  Ken Naitoh ,  Koudai Yoshizawa ,  Eiji Aochi

发明人： Atushi Teraji ,  Ken Naitoh ,  Koudai Yoshizawa ,  Eiji Aochi

IPC分类号： F02B310

CPC分类号： F02B1/12 ,  F02B2075/025 ,  F02D41/3047

摘要： An enhanced auto-ignition in a gasoline internal combustion engine, comprises a fuel injector directly communicating with said combustion chamber for spraying gasoline fuel. The fuel injector sprays a first injection quantity of gasoline fuel into a combustion chamber at first fuel injection timing, which falls in a range from the intake stroke to the first half of the compression stroke, thereby to form air/fuel mixture cloud that becomes a body of mixture as the engine piston moves from the first fuel injection timing toward a top dead center position of the compression stroke, and the fuel injector sprays a second injection quantity of gasoline fuel into the body of mixture at second fuel injection timing, which falls in the second half of the compression stroke, forming mixture cloud that is superimposed on a portion of said body of mixture, thereby to establish the cylinder content wherein the density of fuel particles within the superimposed portion is high enough to burn by auto-ignition at an ignition point in the neighborhood of the piston top dead center position of the compression stroke, causing temperature rise and pressure, which initiate auto-ignition of the fuel particles within the remaining portion of said body of mixture.

摘要翻译： 汽油内燃机中的增强的自动点火包括与所述燃烧室直接连通以喷射汽油燃料的燃料喷射器。 燃料喷射器在第一燃料喷射正时将第一喷射量的汽油燃料喷射到燃烧室中，燃料喷射正时从进气冲程到压缩冲程的前半部分的范围内，从而形成空气/燃料混合物云 随着发动机活塞从第一燃料喷射正时向压缩冲程的上止点位置移动，并且燃料喷射器在第二燃料喷射正时喷射第二喷射量的汽油燃料到混合物体内 在压缩冲程的后半部分，形成混合物云，该混合物云叠加在所述混合物体的一部分上，从而建立气缸内容物，其中重叠部分内的燃料颗粒的密度足够高以通过自动点火燃烧 点火点附近的活塞顶端中心位置处的压缩冲程，引起温升和压力，从而启动 在所述混合物体的剩余部分内的燃料颗粒的点燃。