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公开(公告)号：US07066120B2
公开(公告)日：2006-06-27
申请号：US10799167
申请日：2004-03-12
IPC分类号： F02B75/00
CPC分类号： F02F1/22 , F02B63/02 , F02B75/16 , F02B2075/025
摘要： A two-cycle engine is provided that has a cylinder in which is formed a combustion chamber delimited by a reciprocating piston that via a connecting rod drives a crankshaft rotatably mounted in a crankcase. An inlet is provided for a supply of fuel into the crankcase, and an outlet leads out of the combustion chamber. In predetermined positions of the piston the crankcase communicates with the combustion chamber via at least one transfer channel. The cover is secured to a connecting flange of the cylinder, the cover closes off the transfer channel on an outer side of a cylinder, the connecting flange is inclined relative to the longitudinal axis of the cylinder by an angle that opens in a direction toward the crankcase.
摘要翻译： 提供了一种双循环发动机，其具有气缸，其中形成有由往复活塞限定的燃烧室，所述往复活塞通过连杆驱动可旋转地安装在曲轴箱中的曲轴。 设置有用于将燃料供应到曲轴箱中的入口，并且出口引出燃烧室外。 在活塞的预定位置，曲轴箱经由至少一个传送通道与燃烧室连通。 盖被固定到圆柱体的连接凸缘上，盖子封闭在气缸的外侧上的传送通道，连接凸缘相对于气缸的纵向轴线倾斜一个朝向 曲轴箱。
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公开(公告)号：US06945203B2
公开(公告)日：2005-09-20
申请号：US10444358
申请日：2003-05-23
申请人： Helmar Amend , Klaus-Martin Uhl , Werner Geyer , Claus Fleig
发明人： Helmar Amend , Klaus-Martin Uhl , Werner Geyer , Claus Fleig
IPC分类号： F02B17/00 , F02B25/04 , F02B25/22 , F02B25/24 , F02B33/04 , F02B33/44 , F02B63/02 , F02B75/02 , F02B75/16 , F02F1/22
CPC分类号： F02B25/24 , F02B17/00 , F02B25/04 , F02B25/22 , F02B33/04 , F02B33/44 , F02B63/02 , F02B75/16 , F02B2075/025 , F02F1/22
摘要： A two-cycle engine is provided, especially in a manually-guided implement such as a power chain saw, a brush cutter, a trimmer or the like, and has a cylinder in which is formed a combustion chamber that is delimited by a reciprocating piston that, via a connecting rod, drives a crankshaft that is rotatably mounted in a crankcase. In prescribed positions of the piston, the combustion chamber is connected with the crankcase via at least two transfer channels. At least one air channel is provided that opens out at an air channel window at the cylinder in the region of the piston, and that, in prescribed positions of the piston, is connected with at least two transfer channels via a piston window formed in the piston. To achieve a good scavenging of the combustion chamber, and hence low exhaust gas values of the engine, structural features are provided on the piston window for the defined distribution of air to the transfer channels.
摘要翻译： 提供了一种双冲程发动机，特别是在诸如动力链锯，刷子切割器，修剪器等的手动引导工具中，并且具有形成有由往复活塞限定的燃烧室的气缸 通过连杆驱动可旋转地安装在曲轴箱中的曲轴。 在活塞的规定位置，燃烧室通过至少两个传送通道与曲轴箱连接。 提供至少一个空气通道，其在活塞的区域中在气缸的空气通道窗口处开口，并且在活塞的规定位置处，通过形成在活塞中的活塞窗口与至少两个传送通道连接 活塞。 为了实现燃烧室的良好的清除，因此发动机的排气值低，在活塞窗上设置了用于将空气定义为传送通道的分布的结构特征。
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公开(公告)号：US20050045124A1
公开(公告)日：2005-03-03
申请号：US10444358
申请日：2003-05-23
申请人： Helmar Amend , Klaus-Martin Uhl , Werner Geyer , Claus Fleig
发明人： Helmar Amend , Klaus-Martin Uhl , Werner Geyer , Claus Fleig
IPC分类号： F02B17/00 , F02B25/04 , F02B25/22 , F02B25/24 , F02B33/04 , F02B33/44 , F02B63/02 , F02B75/02 , F02B75/16 , F02F1/22
CPC分类号： F02B25/24 , F02B17/00 , F02B25/04 , F02B25/22 , F02B33/04 , F02B33/44 , F02B63/02 , F02B75/16 , F02B2075/025 , F02F1/22
摘要： A two-cycle engine is provided, especially in a manually-guided implement such as a power chain saw, a brush cutter, a trimmer or the like, and has a cylinder in which is formed a combustion chamber that is delimited by a reciprocating piston that, via a connecting rod, drives a crankshaft that is rotatably mounted in a crankcase. In prescribed positions of the piston, the combustion chamber is connected with the crankcase via at least two transfer channels. At least one air channel is provided that opens out at an air channel window at the cylinder in the region of the piston, and that, in prescribed positions of the piston, is connected with at least two transfer channels via a piston window formed in the piston. To achieve a good scavenging of the combustion chamber, and hence low exhaust gas values of the engine, structural features are provided on the piston window for the defined distribution of air to the transfer channels.
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公开(公告)号：US20060137653A1
公开(公告)日：2006-06-29
申请号：US11314401
申请日：2005-12-21
IPC分类号： F02D11/04
摘要： A manually guided implement driven by an internal combustion engine having a carburetor that is actuated by a throttle lever arrangement, which includes a throttle lever that is mounted in the implement so as to be pivotable about a pivot axis, and also includes a transmission element that operatively connects the throttle lever with the carburetor. The transmission element is an essentially rigid connecting rod that is mounted on the throttle lever and on an actuating lever of the carburetor.
摘要翻译： 一种由内燃机驱动的手动导向器具，该内燃机具有由节流杆装置致动的化油器，该节流杆装置包括安装在工具中以便绕枢转轴线枢转的节流杆，并且还包括传动元件， 将节气门杆与化油器连接起来。 传动元件是一个基本上刚性的连杆，安装在油门杆和化油器的驱动杆上。
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公开(公告)号：US07278395B2
公开(公告)日：2007-10-09
申请号：US11314401
申请日：2005-12-21
IPC分类号： F02D11/04
摘要： A manually guided implement driven by an internal combustion engine having a carburetor that is actuated by a throttle lever arrangement, which includes a throttle lever that is mounted in the implement so as to be pivotable about a pivot axis, and also includes a transmission element that operatively connects the throttle lever with the carburetor. The transmission element is an essentially rigid connecting rod that is mounted on the throttle lever and on an actuating lever of the carburetor.
摘要翻译： 一种由内燃机驱动的手动导向器具，该内燃机具有由节流杆装置致动的化油器，该节流杆装置包括安装在工具中以便绕枢转轴线枢转的节流杆，并且还包括传动元件， 将节气门杆与化油器连接起来。 传动元件是一个基本上刚性的连杆，安装在油门杆和化油器的驱动杆上。
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公开(公告)号：US07021253B2
公开(公告)日：2006-04-04
申请号：US10799165
申请日：2004-03-12
申请人： Helmar Amend , Klaus-Martin Uhl
发明人： Helmar Amend , Klaus-Martin Uhl
IPC分类号： F02B33/04
CPC分类号： F02B33/04 , F02B25/14 , F02B25/22 , F02B2075/025
摘要： A two-cycle engine is provided and includes a cylinder in which is formed a combustion chamber delimited by a reciprocating piston that via a connecting rod drives a crankshaft rotatably mounted in a crankcase that, in predetermined positions of the piston, communicates with the combustion chamber via transfer channels. The cylinder has an outlet from the combustion chamber. An intake duct leads into the crankcase for a supply of fuel, and an air duct supplies substantially fuel-free air. In the vicinity of the piston the air duct is divided into two branches that open out at air openings of a connecting flange formed on the cylinder. A cover is disposed on the connecting flange and extends over the air openings. A flow divider on the connecting flange projects beyond a plane thereof and into the cover. The flow divider divides an air flow in the air duct to the two branches.
摘要翻译： 提供了一个双冲程发动机，包括一个气缸，其中形成有一个由往复运动的活塞限定的燃烧室，通过连杆驱动一个可旋转地安装在曲轴箱中的曲轴，在曲轴箱内的预定位置与燃烧室 通过传输通道。 气缸具有来自燃烧室的出口。 入口管道通向曲轴箱供给燃料，空气管道基本上无燃料空气。 在活塞附近，空气管道被分成在气缸上形成的连接凸缘的空气开口处开放的两个分支。 盖子设置在连接凸缘上并且在空气开口上延伸。 连接凸缘上的分流器突出超过其平面并进入盖中。 分流器将空气管道中的空气流分成两个分支。
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公开(公告)号：US07458153B2
公开(公告)日：2008-12-02
申请号：US10864347
申请日：2004-06-10
申请人： Klaus-Martin Uhl , Helmar Amend
发明人： Klaus-Martin Uhl , Helmar Amend
CPC分类号： B23P15/00 , F02F1/002 , F02F1/04 , F02F1/22 , Y10T29/49231 , Y10T29/4927 , Y10T29/49272 , Y10T29/49989 , Y10T29/49995
摘要： At least one transfer channel (9, 29) is formed in the cylinder wall (4, 24) of the cylinder (1, 21) for a two-stroke engine. The transfer channel (9, 29) is closed to the cylinder outer side (5, 25) by a cover (10, 30). The method for making the cylinder (1, 21) provides that the cover (10, 30) is assembled in a first step on the cylinder (1, 21) and, in a second step, the cylinder bore (3, 23) is machined.
摘要翻译： 在用于二冲程发动机的气缸（1,21）的气缸壁（4,24）中形成有至少一个传送通道（9,29）。 传送通道（9,29）通过盖（10,30）与气缸外侧（5,25）相关。 制造气缸（1,21）的方法规定，盖子（10,30）以第一步骤组装在气缸（1,21）上，并且在第二步骤中，气缸孔（3,23）是 加工。
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公开(公告)号：US07159314B2
公开(公告)日：2007-01-09
申请号：US10664944
申请日：2003-09-22
申请人： Klaus Bröckel , Hartmut Fischer , Heiko Rosskamp , Helmar Amend , Igor Klaric
发明人： Klaus Bröckel , Hartmut Fischer , Heiko Rosskamp , Helmar Amend , Igor Klaric
IPC分类号： B23P11/00
CPC分类号： B23P13/00 , B23P15/00 , F02F1/10 , F02F1/22 , Y10T29/4927 , Y10T29/49995
摘要： A cylinder housing (1) is cast with a cylinder wall (2) in the making of a cylinder for an internal combustion engine. The cylinder wall delimits an interior space (3) for accommodating a reciprocating piston and, thereafter, a control window (5) is machined into the cylinder wall (2) as an opening of a transfer channel (4) into the interior space (3). A two-stage machining for forming the control window (5) is provided in order to make possible a rapid and cost effective manufacture of the cylinder. In a first step with a work tool (7) having a rotating primary movement (11), a breakthrough (10) is machined into the cylinder wall (2) and, in a second step with a work tool, the breakthrough (10) is widened to the wanted dimensions of the control window (5).
摘要翻译： 在制造用于内燃机的气缸的情况下，气缸壳体（1）铸有气缸壁（2）。 气缸壁限定用于容纳往复活塞的内部空间（3），此后，将控制窗（5）作为输送通道（4）的开口加工到气缸壁（2）内进入内部空间（3） ）。 提供了一种用于形成控制窗（5）的两阶段加工，以便能够快速且成本有效地制造气缸。 在具有旋转主运动（11）的作业工具（7）的第一步骤中，穿透（10）被加工到气缸壁（2）中，并且在具有工作工具的第二步骤中，穿透（10） 扩大到控制窗口（5）的想要的尺寸。
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公开(公告)号：US08033896B2
公开(公告)日：2011-10-11
申请号：US12168175
申请日：2008-07-07
申请人： Helmar Amend , Joachim Hoffmann , Ernst Buck
发明人： Helmar Amend , Joachim Hoffmann , Ernst Buck
CPC分类号： B24B55/052 , B28D7/02
摘要： A protective cover of a hand-held cut-off machine has a bracket that is secured on the exterior side of the protective cover. The bracket is locked in at least one locked position with at least one locking projection in at least one receptacle of the protective cover. The bracket is releasable from the locked position by a movement of the bracket in the release direction. A simple release of the bracket can be achieved in that the protective cover has means that move the locking projection upon movement of the bracket in the release direction at least partially out of the receptacle.
摘要翻译： 手持式切断机的保护盖具有固定在保护罩外侧的支架。 支架被锁定在至少一个锁定位置，在保护罩的至少一个容座中具有至少一个锁定突起。 支架通过支架沿释放方向的移动而从锁定位置释放。 可以实现支架的简单释放，因为保护罩具有使支架沿释放方向移动时至少部分地从容器移出的装置。
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公开(公告)号：US20090013541A1
公开(公告)日：2009-01-15
申请号：US12168175
申请日：2008-07-07
申请人： Helmar Amend , Joachim Hoffmann , Ernst Buck
发明人： Helmar Amend , Joachim Hoffmann , Ernst Buck
CPC分类号： B24B55/052 , B28D7/02
摘要： A protective cover of a hand-held cut-off machine has a bracket that is secured on the exterior side of the protective cover. The bracket is locked in at least one locked position with at least one locking projection in at least one receptacle of the protective cover. The bracket is releasable from the locked position by a movement of the bracket in the release direction. A simple release of the bracket can be achieved in that the protective cover has means that move the locking projection upon movement of the bracket in the release direction at least partially out of the receptacle.
摘要翻译： 手持式切断机的保护盖具有固定在保护罩外侧的支架。 支架被锁定在至少一个锁定位置，在保护罩的至少一个容座中具有至少一个锁定突起。 支架通过支架沿释放方向的移动而从锁定位置释放。 可以实现支架的简单释放，因为保护罩具有使支架沿释放方向移动时至少部分地从容器移出的装置。
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