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公开(公告)号：US07309028B2
公开(公告)日：2007-12-18
申请号：US11248816
申请日：2005-10-12
IPC分类号： B05B9/08
CPC分类号： B05B7/2408 , B05B7/1422 , B05B7/1427
摘要： A portable sprayer having a backpack to which are secured a blower unit and a supply tank. The blower unit includes a drive motor and a blower driven thereby. The blower unit is mounted on the backpack by at least one anti-vibration element. The supply tank, for example for spray agent, is mechanically separated from the blower unit and is also mounted on the backpack by at least one anti-vibration element. A removable, at least approximately rigid connection element is provided for coupling the supply tank and the blower unit together or for isolating them from one another with respect to vibrations.
摘要翻译： 一种便携式喷雾器，其具有固定鼓风机单元和供应罐的背包。 鼓风机单元包括驱动马达和由此驱动的鼓风机。 鼓风机单元通过至少一个防振元件安装在背包上。 供应罐，例如用于喷雾剂，与鼓风机单元机械分离，并且还通过至少一个防振元件安装在背包上。 提供了可移除的，至少近似刚性的连接元件，用于将供应箱和鼓风机单元联接在一起或用于将其相对于振动彼此隔离。
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公开(公告)号：US20070136976A1
公开(公告)日：2007-06-21
申请号：US11603061
申请日：2006-11-22
申请人： Michael Raffenberg
发明人： Michael Raffenberg
IPC分类号： A47L9/00
CPC分类号： H05F3/02 , A01G20/43 , A47L5/14 , A47L9/2842 , A47L9/2857 , A47L9/2889
摘要： A work apparatus such as a blower apparatus (1) or a spray apparatus (31) has a drive motor (5), a blower wheel (11) and a blower tube (12). The blower wheel (11) is driven by the drive motor (5) and moves a flow of air through the blower tube (12). The work apparatus (1, 31) has a back carrier (2) on which the drive motor (5) is mounted. In order to avoid electrostatic charges during operation, the back carrier (2) has an arrangement which establishes an electrically conductive connection between the work apparatus (1, 31) and the operator (18) of the work apparatus (1, 31) during operation thereof.
摘要翻译： 诸如鼓风机装置（1）或喷雾装置（31）的工作装置具有驱动马达（5），鼓风机叶轮（11）和鼓风机管（12）。 鼓风机叶轮（11）由驱动马达（5）驱动，并使空气流通过鼓风机管（12）。 工作装置（1,31）具有安装有驱动马达（5）的后托架（2）。 为了避免在操作期间的静电荷，背部载体（2）具有在操作期间在工作装置（1,31）和作业装置（1）的操作者（18）之间建立导电连接的装置 其中。
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公开(公告)号：US08746191B2
公开(公告)日：2014-06-10
申请号：US13423074
申请日：2012-03-16
CPC分类号： F02B25/20 , F02M35/1019 , F02M35/108
摘要： A two-stroke engine has an intake arrangement including a carburetor. An intake channel divides into a mixture channel and an air channel. An intermediate flange is mounted between the carburetor and the cylinder. This flange has a carburetor connecting surface, which faces toward the carburetor, and a cylinder connecting surface which faces toward the cylinder. Referred to the flow direction in the intake channel, the air channel divides upstream of the cylinder connecting surface into two branches. The first branch has a first longitudinal center axis and the second branch has a second longitudinal center axis. The intersect points of the center axes with the connecting surfaces are mutually connected via an imaginary connecting line in the carburetor connecting surface or the cylinder connecting surface. The two connecting lines conjointly define an angle β in the carburetor connecting surface with this angle being greater than 0°.
摘要翻译： 二冲程发动机具有包括化油器的进气装置。 进气通道分为混合通道和空气通道。 中间法兰安装在化油器和气缸之间。 该法兰具有朝向化油器的化油器连接表面和朝向气缸的气缸连接表面。 参考进气通道中的流动方向，空气通道将气缸连接表面的上游分为两个分支。 第一分支具有第一纵向中心轴线，第二分支具有第二纵向中心轴线。 中心轴与连接面的交点经由化油器连接面或气缸连接面的假想连接线相互连接。 两条连接线共同定义一个角度＆bgr; 在化油器连接面上，该角度大于0°。
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公开(公告)号：US06491004B2
公开(公告)日：2002-12-10
申请号：US09795391
申请日：2001-03-01
申请人： Heiko Rosskamp , Michael Raffenberg
发明人： Heiko Rosskamp , Michael Raffenberg
IPC分类号： F02B3304
CPC分类号： F02F1/22 , F02B17/00 , F02B25/16 , F02B25/20 , F02B33/04 , F02B33/30 , F02B63/02 , F02B2075/025
摘要： The invention relates to a two-stroke engine in a portable handheld work apparatus such as a motor chain saw. A combustion chamber (3) is formed in a cylinder (2) and is delimited by a piston (5). The piston (5) drives a crankshaft (7) via a connecting rod (6). The crankshaft is journalled in a crankcase (4). Air is supplied to the combustion chamber (3) via a first outlet-near transfer channel (15); whereas, the air/fuel mixture, which is needed for operation, flows in via a second outlet-remote transfer channel (12) from the crankcase (4). The constructive volume of the outlet-near transfer channel (15) is designed to be approximately 20% to 60% of the volumetric total air input of the engine (1) in order to achieve a complete charge of the combustion chamber while having low scavenging losses.
摘要翻译： 本发明涉及一种便携式手持式工作装置例如电动链锯的二冲程发动机。 燃烧室（3）形成在气缸（2）中并且由活塞（5）限定。 活塞（5）通过连杆（6）驱动曲轴（7）。 曲轴被轴颈安装在曲轴箱（4）中。 空气通过第一出口 - 近转移通道（15）供应到燃烧室（3）。 而操作所需的空气/燃料混合物经由第二出口 - 远程输送通道（12）从曲轴箱（4）流入。 出口 - 近转移通道（15）的结构体积被设计为发动机（1）的体积总空气输入的大约20％至60％，以便实现燃烧室的完全充电，同时具有低的清除 损失。
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公开(公告)号：US07673813B2
公开(公告)日：2010-03-09
申请号：US11592182
申请日：2006-11-03
申请人： Michael Raffenberg , Heiko Rosskamp , Thomas Stark , Markus Pfeifer , Heinz Hettmann , Markus Zeller , Klaus Langhans , Sebastian Hansen , Hans-Georg Wiedmann , Matthias Müller
发明人： Michael Raffenberg , Heiko Rosskamp , Thomas Stark , Markus Pfeifer , Heinz Hettmann , Markus Zeller , Klaus Langhans , Sebastian Hansen , Hans-Georg Wiedmann , Matthias Müller
CPC分类号： A01M11/00 , A01M7/0021 , A01M9/0046 , B05B7/2475 , Y10T137/86558 , Y10T137/87161
摘要： A portable spray apparatus (1) is provided to selectively discharge liquid spray medium and solid dust medium with a blower airflow (7) generated by a blower (6). An adaptor (8) is provided which has at least a channel section (9) of a liquids channel (10) for the liquid spray medium and a channel section (11) of a solids channel (12) for the solid dust medium. The adaptor (8) is releasably connected to a supply vessel (4). The liquids channel (10) and the solids channel (12) open into the blower airflow (7). Various built-in positions of the supply vessel (4) and of the adaptor (8) are freely selectable relative to each other and to the blower unit (3) by the operator. In one built-in position, the liquids channel (10) is connected via its channel section (9) to an interior space (13) of the supply vessel (4) and, in another built-in position, the solids channel (12) is connected to this interior space (13) via the channel section (11) thereof.
摘要翻译： 提供一种便携式喷雾装置（1），用于通过鼓风机（6）产生的鼓风机气流（7）选择性地排出液体喷射介质和固体粉尘介质。 提供了适配器（8），其具有用于液体喷射介质的液体通道（10）的至少一个通道部分（9）和用于固体粉尘介质的固体通道（12）的通道部分（11）。 适配器（8）可释放地连接到供应容器（4）。 液体通道（10）和固体通道（12）通向鼓风机气流（7）。 供应容器（4）和适配器（8）的各种内置位置可由操作员相对于彼此和鼓风机单元（3）自由地选择。 在一个内置位置，液体通道（10）经由其通道部分（9）连接到供应容器（4）的内部空间（13），并且在另一内置位置中，固体通道（12 ）经由其通道部分（11）连接到该内部空间（13）。
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公开(公告)号：US06523509B2
公开(公告)日：2003-02-25
申请号：US09945623
申请日：2001-09-05
IPC分类号： F02B3304
CPC分类号： F02B25/16 , F02B33/04 , F02B63/02 , F02B75/16 , F02B2075/025
摘要： The invention relates to a two-stroke engine for a portable handheld work apparatus such as a motor-driven chain saw, cutoff machine, brushcutter or the like. A crankcase (4) is formed below the engine cylinder (2). A piston (5) moves up and down in the cylinder (2) and drives a crankshaft (7) rotatably journalled in the crankcase (4). A fuel-containing mixture is supplied via a membrane carburetor (8) to the combustion chamber (3) delimited between the piston (5) and the cylinder (2). A bypass channel (22) is provided parallel thereto and supplies essentially fuel-free air to the combustion chamber (3). The bypass channel (22) opens into a channel segment (21) via a connecting piece (24) fixedly attached to the cylinder (2). The channel segment (21) is formed in the cylinder wall (16). A spark plug (20) and an ignition control device (34) are assigned to the combustion chamber (3). The ignition control device (34) is fixedly mounted with a portion to the cylinder (2) via one attachment point (40) and is fixedly mounted to the connecting piece (24) via another attachment point (41).
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公开(公告)号：US08733318B2
公开(公告)日：2014-05-27
申请号：US12731338
申请日：2010-03-25
IPC分类号： F02D9/08
CPC分类号： F02M35/1019 , F02B23/0627 , F02B31/08 , F02D9/1035 , Y02T10/146
摘要： An internal combustion engine having an intake channel that is divided by a partition into an air duct and a mixture duct. The partition has a connecting opening that at least at full throttle of the internal combustion engine is substantially closed. A main fuel opening opens out into the mixture duct. At least one further fuel opening is provided that opens out into the mixture duct at a first distance relative to the wall of the intake channel and at a second distance relative to the partition.
摘要翻译： 一种具有进气通道的内燃机，该进气通道被隔板分成空气管道和混合管道。 该分隔件具有至少在内燃机的全节气门处基本上关闭的连接开口。 主燃料开口通向混合管道。 提供至少一个另外的燃料开口，其相对于进气通道的壁以相对于分隔件的第二距离以第一距离向混合物管道打开。
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公开(公告)号：US07979958B2
公开(公告)日：2011-07-19
申请号：US11603061
申请日：2006-11-22
申请人： Michael Raffenberg
发明人： Michael Raffenberg
IPC分类号： A47L5/14
CPC分类号： H05F3/02 , A01G20/43 , A47L5/14 , A47L9/2842 , A47L9/2857 , A47L9/2889
摘要： A work apparatus such as a blower apparatus (1) or a spray apparatus (31) has a drive motor (5), a blower wheel (11) and a blower tube (12). The blower wheel (11) is driven by the drive motor (5) and moves a flow of air through the blower tube (12). The work apparatus (1, 31) has a back carrier (2) on which the drive motor (5) is mounted. In order to avoid electrostatic charges during operation, the back carrier (2) has an arrangement which establishes an electrically conductive connection between the work apparatus (1, 31) and the operator (18) of the work apparatus (1, 31) during operation thereof.
摘要翻译： 诸如鼓风机装置（1）或喷雾装置（31）的工作装置具有驱动马达（5），鼓风机叶轮（11）和鼓风机管（12）。 鼓风机叶轮（11）由驱动马达（5）驱动，并使空气流通过鼓风机管（12）。 工作装置（1,31）具有安装有驱动马达（5）的后托架（2）。 为了避免在操作期间的静电荷，背部载体（2）具有在操作期间在工作装置（1,31）和作业装置（1）的操作者（18）之间建立导电连接的装置 其中。
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公开(公告)号：US20100242904A1
公开(公告)日：2010-09-30
申请号：US12731338
申请日：2010-03-25
IPC分类号： F02D9/08
CPC分类号： F02M35/1019 , F02B23/0627 , F02B31/08 , F02D9/1035 , Y02T10/146
摘要： An internal combustion engine having an intake channel that is divided by a partition into an air duct and a mixture duct. The partition has a connecting opening that at least at full throttle of the internal combustion engine is substantially closed. A main fuel opening opens out into the mixture duct. At least one further fuel opening is provided that opens out into the mixture duct at a first distance relative to the wall of the intake channel and at a second distance relative to the partition.
摘要翻译： 一种具有进气通道的内燃机，该进气通道被隔板分成空气管道和混合管道。 该分隔件具有至少在内燃机的全节气门处基本上关闭的连接开口。 主燃料开口通向混合管道。 提供至少一个另外的燃料开口，其相对于进气通道的壁以相对于分隔件的第二距离以第一距离向混合物管道打开。
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公开(公告)号：US20060131763A1
公开(公告)日：2006-06-22
申请号：US11303057
申请日：2005-12-14
申请人： Michael Raffenberg
发明人： Michael Raffenberg
IPC分类号： F02M5/08
CPC分类号： F02D9/104 , F02B63/02 , F02B2075/025 , F02M9/08 , Y10S261/01
摘要： A carburetor comprising a mixture channel and an air channel that are separated from one another, wherein a fuel opening opens into the mixture channel. A throttle element is rotatable about an axis of rotation that extends transverse of the direction of flow in the mixture channel and in the air channel and extends through both channels. As a function of its position, the throttle element throttles a flow cross-section of the mixture channel and the air channel. The flow cross-section of a portion of the mixture channel and/or of the air channel has a non-circular shape in the vicinity of the throttle element.
摘要翻译： 一种化油器，包括彼此分离的混合通道和空气通道，其中燃料开口通向混合通道。 节流元件围绕旋转轴线旋转，该旋转轴线横向于混合通道中和空气通道中的流动方向延伸并且延伸穿过两个通道。 作为其位置的函数，节流元件节流混合通道和空气通道的流动横截面。 混合通道和/或空气通道的一部分的流动横截面在节流元件附近具有非圆形形状。
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