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    Two-stroke engine
    3.
    发明授权
    Two-stroke engine 有权
    二冲程发动机

    公开(公告)号：US08967099B2

    公开(公告)日：2015-03-03

    申请号：US13327020

    申请日：2011-12-15

    申请人： Michael Grether ,  Niels Kunert ,  Tommy Roitsch ,  Klaus Geyer

    发明人： Michael Grether ,  Niels Kunert ,  Tommy Roitsch ,  Klaus Geyer

    IPC分类号： F02B25/00 ,  F02B25/20 ,  F02M3/14 ,  F02M35/10 ,  F02B25/14 ,  F02M3/08 ,  F02M29/04 ,  F02M33/04 ,  F02B75/02 ,  F02B33/04 ,  E02D7/12 ,  F02B61/04 ,  F02F1/22

    CPC分类号： F02B25/20 ,  E02D7/125 ,  F02B25/14 ,  F02B33/04 ,  F02B61/045 ,  F02B2075/025 ,  F02F1/22 ,  F02M3/08 ,  F02M3/14 ,  F02M29/04 ,  F02M33/046 ,  F02M35/10321 ,  Y02T10/126

    摘要： A two stroke engine comprises a cylinder, in which a combustion chamber bounded by a piston is formed, and an intake passage. A carburetor forms a section of the intake passage, within which a throttle element is mounted pivotably, and at least one main fuel opening and at least one idling fuel opening open into the intake passage, which is divided downstream of the carburetor into an air passage and a mixture passage. The idling fuel opening feeds a secondary passage arranged within the mixture passage. In the idling position, the throttle element may be arranged adjacent to the upstream entry opening in the secondary passage, and the throttle element may have an opening which, in the idling position of the throttle element, is arranged in the region of the entry opening and connects the secondary passage to that region of the intake passage located upstream of the throttle element.

    摘要翻译： 二冲程发动机包括形成有由活塞界定的燃烧室的气缸和进气通道。 化油器形成进气通道的一部分，其中节流元件可枢转地安装在其中，并且至少一个主燃料开口和至少一个空转燃料开口通向进气通道，该进气通道在化油器的下游分配成空气通道 和混合物通道。 空转燃料开口供给布置在混合通道内的次级通道。 在怠速位置，节气门元件可以布置成与次级通道中的上游入口相邻，并且节流元件可以具有在节流元件的空转位置处布置在入口开口的区域中的开口 并且将次级通道连接到位于节流元件上游的进气通道的区域。

    Carburettors
    5.
    发明授权
    Carburettors 有权
    化油器

    公开(公告)号：US07357377B2

    公开(公告)日：2008-04-15

    申请号：US10572330

    申请日：2004-09-16

    申请人： Stephen Brian Glover ,  Stephen Morris

    发明人： Stephen Brian Glover ,  Stephen Morris

    IPC分类号： F02M7/24

    CPC分类号： F02B25/22 ,  F02B2075/025 ,  F02M3/14 ,  F02M13/046 ,  Y10S261/01

    摘要： A carburettor is connected into the inlet duct (48) of an internal combustion engine. The inlet duct is divided by a dividing wall (64) into a rich passage (42) and a lean passage (44). The carburettor includes a fuel chamber (4) and defines a flow duct divided by a planar partition (66) into a rich duct (30) and a lean duct (32) which communicate with the rich and lean passages, respectively. The partition (66) defines an aperture (40) in which a planar butterfly valve (20) is pivotably mounted. A number of fuel supply orifices (61, 62) communicate with the fuel chamber (4) and with the duct (30) at a position opposite to the aperture (40). The butterfly valve (20) is pivotable between an open position, in which the flow duct is substantially open and the aperture (40) is substantially closed and all of the fuel flowing out of the fuel supply orifices (61, 62) flows into the rich duct (30), and a closed position, in which the flow duct is substantially closed and the aperture (40) is substantially open and the fuel flowing out of the fuel supply orifices flows into to both the rich and lean ducts. An idle fuel supply orifice (8) is provided in the dividing wall (64) and communicates with the rich and lean passages (42, 44) and with the fuel chamber (4) and with the atmosphere. Under idling operation of the engine, an air/fuel mixture is induced into the rich and lean passages not only through one of the fuel supply orifices (61) but also through the idle fuel supply orifice (8).

    摘要翻译： 化油器连接到内燃机的入口管道（48）中。 入口管道由分隔壁（64）分成富通道（42）和贫通道（44）。 化油器包括燃料室（4），并且将由平面分隔件（66）分隔成的分流管道分成富管道（30）和与富通道和贫通道连通的贫管道（32）。 分隔件（66）限定一个孔（40），平面蝶阀（20）可旋转地安装在该孔中。 多个燃料供给孔（61,62）与燃料室（4）和管道（30）在与孔（40）相对的位置处连通。 蝶阀（20）可以在打开位置之间枢转，在该打开位置，流动管道基本上是敞开的，孔（40）基本上是封闭的，并且从燃料供给孔（61,62）流出的所有燃料流入 富管（30）和关闭位置，其中流道基本上封闭，并且孔（40）基本上敞开，并且从燃料供应孔流出的燃料流入富管和贫管。 在分隔壁（64）中设置空闲燃料供给孔（8），并且与富和贫通道（42,44）和燃料室（4）以及大气连通。 在发动机的空转操作下，空气/燃料混合物不仅通过燃料供给孔（61）之一而且通过怠速燃料供给口（8）而被引入富气和贫气通道。

    Throttle body fuel injection
    6.
    发明授权
    Throttle body fuel injection 失效
    节气门体燃油喷射

    公开(公告)号：US4356801A

    公开(公告)日：1982-11-02

    申请号：US230228

    申请日：1981-02-02

    申请人： Kenneth A. Graham

    发明人： Kenneth A. Graham

    IPC分类号： F02D9/10 ,  F02M3/14 ,  F02M69/04 ,  F02M9/08

    CPC分类号： F02M69/042 ,  F02D9/101 ,  F02M3/14 ,  Y10S261/78 ,  Y10S261/82

    摘要： A throttle body fuel injection system comprises a fuel injector which sprays fuel into an induction bore of circular cross section for mixture with induction air passing through the bore. Fuel is injected exclusively upstream of the throttle blade and apertures are provided which, when the engine is idling with the blade occupying an idle position cracked open from its closed blade position, establish communication between points upstream and downstream of the throttle blade with the apertures being of sufficient size to conduct both the induction air and the entrained fuel as a mixture, allowing sonic velocities for best fuel atomization at engine idle.

    摘要翻译： 节气门体燃料喷射系统包括燃料喷射器，其将燃料喷射到圆形横截面的感应孔中，以与通过孔的感应空气混合。 燃料被专门注入节流叶片的上游，并且设置有孔，当发动机空转时，叶片占据从其封闭叶片位置开裂的空转位置，在节流叶片的上游和下游点之间建立连通，其中孔是 具有足够的尺寸以将感应空气和夹带的燃料作为混合物进行，从而允许声速在发动机空转时获得最佳燃料雾化。