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    • 1. 发明申请
    • AIR SUPPLY DEVICE
    • 空气供应装置
    • WO2012001731A1
    • 2012-01-05
    • PCT/JP2010/004276
    • 2010-06-28
    • Husqvarna Zenoah Co., Ltd.FUKUSHIMA, YoshinoriNODA, Hiroyuki
    • FUKUSHIMA, YoshinoriNODA, Hiroyuki
    • F02M35/04F02M35/024F02M17/34
    • F02M35/10F02B25/22F02B2075/025F02M17/34F02M33/02F02M35/0207F02M35/048F02M35/08F02M35/1019F02M35/10196F02M35/108
    • An air supply device (2) used in a two-stroke engine includes: an insulator (14) having an insulator mixture passage (17) that is in communication with an intake port (5A) provided in an engine body (1) of the two-stroke engine, the insulator being attached to the engine body (1); a carburetor (15) having an insulator mixture passage (17) that is in communication with an insulator mixture passage (17), the carburetor (15) being attached to the insulator (14); an air cleaner (16) having a mixture-side opening (25) that is in communication with the carburetor mixture passage (19), the air cleaner (16) being attached to the carburetor (15); an accumulating portion (29) that accumulates a blow-back fuel returned through the mixture-side opening 25, the accumulating portion (29) being provided inside the air cleaner (16); and an auxiliary passage having a base end connected to the accumulating portion (29) and a distal end connected to a portion affected by a pressure fluctuation inside a crankcase chamber provided in the engine body (1).
    • 用于二冲程发动机的供气装置(2)包括:绝缘体(14),其具有与设置在所述发动机主体(1)中的进气口(5A)连通的绝缘体混合通道(17) 二冲程发动机,绝缘体连接到发动机主体(1)上; 具有与绝缘体混合物通道(17)连通的绝缘体混合物通道(17)的化油器(15),化油器(15)附接到绝缘体(14); 具有与化油器混合通路(19)连通的混合侧开口(25)的空气滤清器(16),所述空气滤清器(16)安装在化油器(15)上; 累积部分(29),其累积通过混合物侧开口25返回的回吹燃料,蓄积部分(29)设置在空气净化器(16)内; 以及辅助通路,其具有连接到所述蓄积部(29)的基端部,以及与设置在所述发动机主体(1)内的曲轴箱室内受压力波动影响的部分连接的远端。
    • 3. 发明申请
    • 携帯型作業機
    • 便携式工作机
    • WO2007132915A1
    • 2007-11-22
    • PCT/JP2007/060121
    • 2007-05-17
    • 株式会社ゼノア杉下 悠
    • 杉下 悠
    • F02B63/00F01P5/06F02M35/04F02M35/16
    • F02B63/02F01P5/06F02B25/20F02M35/06F02M35/1017F02M35/10196
    •  携帯型作業機であるチェーンソー1は、エンジン15が収容される本体ボディ11と、エンジン15で駆動される冷却ファン19と、エンジン15への混合気を生成するキャブレター36と、冷却ファン19近傍とキャブレター36の吸気通路とを直に連通させる吸気用連通路37と、この吸気用連通路37の途中で、かつキャブレター36が収容されるキャブ室43の外部に配置されたエアクリーナ25とを備え、吸気用連通路37のうち、少なくともエアクリーナ25よりも下流側の通路部分が密閉空間になっている。
    • 一种便携式作业机械的链锯(1)具有用于容纳发动机的主体(11),由发动机(15)驱动的冷却风扇(19),用于产生混合气体的化油器(36) 对于发动机(15),用于将冷却风扇(19)附近的直接相互连接的化油器(36)的进气通道的进气通路(37)和设置在中间部的空气滤清器 在吸气化油器(36)的化油器室(43)外部的进气通路(37)中。 至少在空气滤清器(25)的下游侧的进气通路(37)的该部分为封闭空间。
    • 4. 发明申请
    • CONNECTING DEVICE FOR A FUEL SUPPLY UNIT
    • 用于燃料供应单元的连接装置
    • WO99031378A1
    • 1999-06-24
    • PCT/SE1998/002125
    • 1998-11-24
    • F02B63/02F02M35/10
    • F02M35/10078F02B63/02F02M35/1017F02M35/1019F02M35/10196
    • A connecting device (1) for a fuel supply unit (2), such as a carburetor, to a cylinder (3) of an internal combustion engine, said connecting device is mainly composed of a flexible inlet bellow (4) with an inlet duct (5). The bellow (4) has at its one end a first flange part (6), which surrounds the inlet duct and furthest out has a projecting outer edge (7) intended to be pushed upon a projecting inlet stud (8) of the cylinder, and the inlet bellow is at its other end mounted to the fuel supply unit (2). The inlet stud (8) has besides an inlet opening (13), at least one cavity (14) by the side of the inlet opening and the inlet bellow is arranged with at least one from the first flange part (6) projecting nose part (15) intended to protrude into the cavity (14) when the inlet bellow in an axial direction is being pushed upon the inlet stud (8).
    • 一种用于诸如化油器的燃料供应单元(2)与内燃机的气缸(3)的连接装置(1),所述连接装置主要由柔性入口波纹管(4)组成,其具有入口管 (5)。 波纹管(4)在其一端具有包围入口管道并且最远的第一凸缘部分(6),其具有旨在被推到气缸的突出入口螺柱(8)上的突出外边缘(7) 并且入口波纹管在其另一端安装到燃料供应单元(2)。 入口螺柱(8)除了具有入口开口(13)之外,入口开口侧和入口波纹管的至少一个空腔(14)设置有至少一个从第一凸缘部分(6)伸出的鼻部 (15),当所述入口波纹管沿轴向方向被推入所述入口螺柱(8)时意图伸出到所述空腔(14)中。
    • 5. 发明申请
    • TWO-STROKE INTERNAL COMBUSTION ENGINE
    • 两冲程内燃机
    • WO2016155780A1
    • 2016-10-06
    • PCT/EP2015/056948
    • 2015-03-31
    • HUSQVARNA AB
    • LUNDGREN, AlexanderBERNEKLEV, JoelSCHOUG, Tommy
    • F02M35/10F02M35/108F02B25/22F02D9/02
    • F02B25/06F02B25/22F02B75/02F02B2075/025F02D9/02F02D2009/0252F02M35/1017F02M35/10196F02M35/108
    • An internal combustion engine (10), including a cylinder (15) with a cylinder wall (12) defining a combustion chamber (32), a piston (13) reciprocally disposed within the combustion chamber (32) a crankcase (16) including a crankshaft (11) rotatably disposed therein, the piston (13) being connected to the crankshaft (11) by a connecting rod (17), a first scavenger duct (3) extending between the combustion chamber (32) and the crankcase (16), the first scavenger duct (3) including a top port (31a) and a bottom port (31b), a fuel and air inlet channel (22) in fluid communication with the crankcase (16) by way of a piston ported fuel and air inlet port (23) so that the fuel and air inlet channel (22) delivers a fuel and air mixture to the crankcase (16), and an airhead channel (6) in fluid communication with the first scavenger duct (3) by way of a first piston ported air inlet port (7), characterized in that the fuel and air inlet channel (22) is in fluid communication with the airhead channel (6) so that the fuel and air mixture is combinable with the air flow from the airhead channel (6).
    • 一种内燃机(10),包括具有限定燃烧室(32)的气缸壁(12)的气缸(15),往复地设置在燃烧室(32)内的活塞(13),曲轴箱(16) 曲轴(11)可旋转地设置在其中,活塞(13)通过连杆(17)连接到曲轴(11),在燃烧室(32)和曲轴箱(16)之间延伸的第一清流通道(3) ,所述第一清流管(3)包括顶部端口(31a)和底部端口(31b),通过活塞端口的燃料和空气与所述曲轴箱(16)流体连通的燃料和空气入口通道(22) 入口端口(23),使得燃料和空气入口通道(22)将燃料和空气混合物输送到曲轴箱(16),以及与第一清流导管(3)流体连通的空气通道(6),通过 第一活塞端口空气入口(7),其特征在于,燃料和空气入口通道(22)与气囊c流体连通 通道(6),使得燃料和空气混合物可与来自气道通道(6)的气流组合。
    • 10. 发明申请
    • A DEVICE FOR SUPPLYING AN INTERNAL COMBUSTION ENGINE
    • 一种用于供应内燃机的装置
    • WO2009087163A1
    • 2009-07-16
    • PCT/EP2009/050111
    • 2009-01-07
    • EMAK S.P.A.FERRARI, Marco
    • FERRARI, Marco
    • F02M35/10
    • F02M35/10196F02M17/34F02M35/10019F02M35/10275
    • A device for supplying an internal combustion engine (1 ), comprising a carburettor(72) and an air filter (71 ) installed on an air intake line (70), through which the air filtered by the filter (71 ) is conveyed into the carburettor (72), and an anti-backflow element (8) located in series on the air intake line (70) between the carburettor (72) and the air filter (71 ), in which the anti- backflow element (8) exhibits an external casing (80) comprising a perimetral band (81 ) including at least a portion substantially circular in development closed by two side walls (82, 83), such as to internally define at least a compartment (84) in communication with the carburettor (72) through a duct (85) opening in the perimeteral band (81 ) and developing tangentially relative to the circularly developing portion, the compartment (84) also in communication with the air filter (71 ) through a first duct (86) opening in one of the side walls (82, 83).
    • 一种用于供应内燃机(1)的装置,包括安装在进气管(70)上的化油器(72)和空气过滤器(71),由过滤器(71)过滤的空气通过该装置被输送到 化油器(72)和位于化油器(72)和空气过滤器(71)之间的进气管线(70)上串联的防回流元件(8),其中防回流元件(8) 外壳(80)包括周边带(81),所述外围带(81)包括由两个侧壁(82,83)封闭的基本上呈圆形的基本上圆形的部分,例如至少内部限定与所述化油器连通的隔室(84) (72)通过在周边带(81)中开口并相对于圆形显影部分切向显影的管道(85),隔室(84)还通过第一管道(86)开口与空气过滤器(71)连通 在一个侧壁(82,83)中。