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1. 发明申请

US20120152217A1 TWO-STROKE ENGINE 有权
标题翻译：两冲程发动机
公开(公告)号：US20120152217A1
公开(公告)日：2012-06-21
申请号：US13326974
申请日：2011-12-15
申请人： Michael GRETHER , Robert Köhli , Stefan Kummermehr
发明人： Michael GRETHER , Robert Köhli , Stefan Kummermehr
IPC分类号： F02B33/04 , F02B33/30
CPC分类号： F02B33/04
摘要： A two-stroke engine has a cylinder with a combustion chamber which is bounded by a piston which drives a crankshaft which rotates in a crankcase. The crankcase is connected to the combustion chamber via an overflow passage in the lower dead centre region of the piston. The two stroke engine has an intake passage. A carburetor forms a section of the intake passage. The intake passage is partially divided into an air passage, which supplies combustion air into an overflow passage, and a mixture passage which opens into the crankcase. A throttle valve mounted pivotably in the carburetor controls the combustion air quantity supplied to the air and mixture passages. An air-guiding element arranged on the passage wall of the air passage guides the combustion air passing between the throttle valve and passage wall in the idling position of the throttle valve in the direction of the mixture passage.
摘要翻译：二冲程发动机具有带有燃烧室的气缸，燃烧室由驱动在曲轴箱中旋转的曲轴的活塞限定。曲轴箱通过活塞下死点中的溢流通道连接到燃烧室。两冲程发动机具有进气通道。化油器形成进气通道的一部分。进气通道部分地分成空气通道，其将燃烧空气供应到溢流通道中，以及通向通向曲轴箱的混合通道。可转动地安装在化油器中的节流阀控制供应到空气和混合通道的燃烧空气量。布置在空气通道的通道壁上的空气引导元件沿着混合通道的方向引导在节流阀和通道壁之间通过节流阀的空转位置的燃烧空气。

2. 发明授权

US08667933B2 Two-stroke engine 失效
标题翻译：二冲程发动机
公开(公告)号：US08667933B2
公开(公告)日：2014-03-11
申请号：US13327054
申请日：2011-12-15
申请人： Michael Grether , Robert Köhli , Stefan Kummermehr
发明人： Michael Grether , Robert Köhli , Stefan Kummermehr
IPC分类号： F02B33/04 , F02B25/22 , F02B25/14 , F02B25/00
CPC分类号： F02B25/22 , F02B25/00 , F02B25/14 , F02M13/04 , F02M29/04 , F02M35/10085 , F02M35/1019 , F02M35/10196 , F02M35/10321 , F02M35/108
摘要： A two-stroke engine, comprising: a crankcase; a cylinder connected to said crankcase; a combustion chamber defined by a reciprocally mounted piston within said cylinder; a crankshaft mounted rotatably in said crankcase and drivingly connected with said piston; at least one overflow passage connecting the crankcase and the combustion chamber when the piston is positioned in the lower dead center region; a connecting stub attached to said cylinder which contains an intake passage that opens into the crankcase and supplies fuel and combustion air, said intake passage including therein an air-fuel mixture passage, wherein said connecting stub contains at least one section of the mixture passage; at least one fuel opening for supplying fuel into said mixture passage; and a guiding rib positioned within said connecting stub and oriented longitudinally in the mixture passage and protruding into the mixture passage.
摘要翻译：一种二冲程发动机，包括：曲轴箱; 连接到所述曲轴箱的气缸; 由所述气缸内的往复安装的活塞限定的燃烧室; 曲轴，可旋转地安装在所述曲轴箱中并与所述活塞驱动连接; 至少一个溢流通道，当活塞位于下死点区域时，连接曲轴箱和燃烧室; 安装在所述气缸上的连接短柱，该连接短柱包含通向所述曲轴箱并供给燃料和燃烧空气的进气通道，所述进气通道包括空气 - 燃料混合物通道，其中所述连接短管包含所述混合通道的至少一个部分; 至少一个用于向所述混合物通道供应燃料的燃料开口; 以及引导肋，其定位在所述连接短管内并在混合通道中纵向定向并突出到混合通道中。

3. 发明授权

US09353675B2 Two-stroke engine 有权
标题翻译：二冲程发动机
公开(公告)号：US09353675B2
公开(公告)日：2016-05-31
申请号：US13326974
申请日：2011-12-15
申请人： Michael Grether , Robert Köhli , Stefan Kummermehr
发明人： Michael Grether , Robert Köhli , Stefan Kummermehr
IPC分类号： F02B25/00 , F02B33/04
CPC分类号： F02B33/04
摘要： A two-stroke engine has a cylinder with a combustion chamber which is bounded by a piston which drives a crankshaft which rotates in a crankcase. The crankcase is connected to the combustion chamber via an overflow passage in the lower dead center region of the piston. The two stroke engine has an intake passage. A carburetor forms a section of the intake passage. The intake passage is partially divided into an air passage, which supplies combustion air into an overflow passage, and a mixture passage which opens into the crankcase. A throttle valve mounted pivotably in the carburetor controls the combustion air quantity supplied to the air and mixture passages. An air-guiding element arranged on the passage wall of the air passage guides the combustion air passing between the throttle valve and passage wall in the idling position of the throttle valve in the direction of the mixture passage.
摘要翻译：二冲程发动机具有带有燃烧室的气缸，燃烧室由驱动在曲轴箱中旋转的曲轴的活塞限定。曲轴箱通过活塞下死点中的溢流通道连接到燃烧室。两冲程发动机具有进气通道。化油器形成进气通道的一部分。进气通道部分地分成空气通道，其将燃烧空气供应到溢流通道中，以及通向通向曲轴箱的混合通道。可转动地安装在化油器中的节流阀控制供应到空气和混合通道的燃烧空气量。布置在空气通道的通道壁上的空气引导元件沿着混合通道的方向引导在节流阀和通道壁之间通过节流阀的空转位置的燃烧空气。

4. 发明授权

US06293981B1 Arrangement of an air filter and a membrane carburetor 失效
标题翻译：空气过滤器和膜式化油器的布置
公开(公告)号：US06293981B1
公开(公告)日：2001-09-25
申请号：US09548631
申请日：2000-04-13
申请人： Hans Holderle , Stefan Kummermehr , Johannes Menzel , Helmut Zimmermann , Bernd Knödler , Horst Denner
发明人： Hans Holderle , Stefan Kummermehr , Johannes Menzel , Helmut Zimmermann , Bernd Knödler , Horst Denner
IPC分类号： B01D3530
CPC分类号： F02M35/024 , F02B63/02 , F02B2075/025 , F02B2075/027 , F02M17/04 , Y10S55/28
摘要： The invention is directed to an arrangement of an air filter (1) and a membrane carburetor (2). The membrane carburetor (2) has an intake channel section (3) configured in the carburetor housing (4) and fuel-conducting channels (6) open into the intake channel section (3). The channels (6) are supplied from a fuel-filled control chamber (7) which is configured in the carburetor housing (4). The control chamber (7) is partitioned from a compensation chamber (11) via a control membrane (10). The compensation chamber (11) communicates with the housing (14, 16) of the air filter (1) via a compensation channel (13) downstream of an air filter element (39). The air filter housing (14) engages over the membrane carburetor (2) essentially on the side of the compensation chamber (11) and the clean chamber (24) of the air filter housing (14) communicates with the intake channel section via a connecting stub (37) which lies approximately at right angles to the intake channel section (3). The connecting stub (37) is used as a connection between the clean chamber (24) of the air filter (1) and a flow space (26) mounted forward of the intake channel section (3) in order to ensure a reliable compensation where available space is tight. The volume of the flow space (26) is greater than the volume of the connecting stub (37) and the compensation channel (13) branches away from the flow space (26).
摘要翻译：本发明涉及一种空气过滤器（1）和膜式化油器（2）的布置。膜化油器（2）具有构造在化油器壳体（4）中的进气通道部分（3）和通向进气通道部分（3）的燃料传导通道（6）。通道（6）由配置在化油器壳体（4）中的燃料填充控制室（7）供给。控制室（7）经由控制膜（10）与补偿室（11）分隔开。补偿室（11）通过空气过滤元件（39）下游的补偿通道（13）与空气过滤器（1）的壳体（14,16）连通。空气过滤器壳体（14）基本上在补偿室（11）的侧面上接合在膜化油器（2）上，并且空气过滤器壳体（14）的清洁室（24）通过连接短柱（37）大致与进气通道部分（3）成直角。连接短管（37）用作空气过滤器（1）的清洁室（24）和安装在进气通道部分（3）前方的流动空间（26）之间的连接，以确保可靠的补偿可用空间紧张。流动空间（26）的容积大于连接短管（37）的体积，并且补偿通道（13）远离流动空间（26）分支。

5. 发明申请

US20050051127A1 Starter device for an internal combustion engine 有权
标题翻译：内燃机起动装置
公开(公告)号：US20050051127A1
公开(公告)日：2005-03-10
申请号：US10936542
申请日：2004-09-09
申请人： Roland Adam , Markus Keller , Stefan Kummermehr , Heiko Pinkawa , Jens Kern , Reinhard Friedrich
发明人： Roland Adam , Markus Keller , Stefan Kummermehr , Heiko Pinkawa , Jens Kern , Reinhard Friedrich
IPC分类号： F02N3/02 , F02N5/02 , F02N15/02 , F02N1/00
CPC分类号： F02N15/023
摘要： A starter device (1) for an internal combustion engine has a starter drum (4) which acts upon a spring housing (11) when starting. An intermediate spring (10) is arranged in the spring housing (11). One end of the intermediate spring (10) is fixed to the spring housing (11) and the other end of the intermediate spring (10) can be coupled to the crankshaft (3) of the engine via a first catch (23). The spring housing (11) and the starter drum (4) are journalled on a shaft (7) held at one end. The center of gravity (S) of the spring housing (11) lies in the region of the support of the spring housing (11) in order to reduce the acting bearing forces and to increase the service life of the starter device.
摘要翻译：一种用于内燃机的起动装置（1）具有在起动时作用在弹簧壳体（11）上的起动鼓（4）。中间弹簧（10）布置在弹簧壳体（11）中。中间弹簧（10）的一端固定在弹簧壳体（11）上，而中间弹簧（10）的另一端可经由第一卡扣（23）与发动机的曲轴（3）相连。弹簧壳体（11）和起动器鼓（4）被轴颈安装在保持在一端的轴（7）上。弹簧壳体（11）的重心（S）位于弹簧壳体（11）的支撑件的区域中，以便减小作用的支承力并增加起动装置的使用寿命。

6. 发明授权

US08356805B2 Carburetor for an internal combustion engine 有权
标题翻译：用于内燃机的化油器
公开(公告)号：US08356805B2
公开(公告)日：2013-01-22
申请号：US12727277
申请日：2010-03-19
申请人： Sebastian Hänssler , Stefan Kummermehr , Stefan Borchert , Alexander Kraus
发明人： Sebastian Hänssler , Stefan Kummermehr , Stefan Borchert , Alexander Kraus
IPC分类号： F02M1/02
CPC分类号： F02M1/02 , F02B63/02 , F02D2009/0205
摘要： A carburetor for an internal combustion engine has a carburetor housing and a mixture forming passage provided in the carburetor housing. A throttle and a choke valve are rotatably arranged in the mixture forming passage on a throttle shaft and a choke shaft, respectively. A lever arrangement has a throttle adjusting lever mounted on the throttle shaft and a choke adjusting lever mounted on the choke shaft. The throttle valve and the choke valve are adjustable in several operating positions and the lever arrangement assumes appropriate positions corresponding to the operational positions, respectively. A release device for releasing a locking action between the throttle adjusting lever and the choke adjusting lever when an emergency stop is actuated is provided. A spring forcing the choke adjusting lever in a direction toward an engagement plane with the throttle adjusting lever.
摘要翻译：用于内燃机的化油器具有化油器壳体和设置在化油器壳体中的混合物形成通道。节气门和阻流阀分别可旋转地布置在节流轴和阻风轴上的混合物形成通道中。杠杆装置具有安装在节气门轴上的节流调节杆和安装在节流轴上的节流调节杆。节流阀和阻风门在多个操作位置是可调节的，并且杠杆装置分别对应于操作位置的适当位置。提供了一种释放装置，用于在紧急停止致动时释放节气门调节杆和节流调节杆之间的锁定动作。弹簧将扼流器调节杆朝着与节流调节杆接合的方向。

7. 发明授权

US09016246B2 Portable handheld work apparatus having an internal combustion engine 有权
标题翻译：具有内燃机的便携式手持式工作装置
公开(公告)号：US09016246B2
公开(公告)日：2015-04-28
申请号：US13458756
申请日：2012-04-27
申请人： Jan Kurzenberger , Thorsten Hecht , Sebastian Hänssler , Stefan Kummermehr
发明人： Jan Kurzenberger , Thorsten Hecht , Sebastian Hänssler , Stefan Kummermehr
IPC分类号： F01P1/02 , F02M31/14 , F01P1/06 , F02B63/02 , F02F1/30 , F02F1/34 , F02M15/02 , F02M35/10
CPC分类号： F02M31/145 , F01P1/02 , F01P1/06 , F01P2001/026 , F01P2060/10 , F02B63/02 , F02F1/30 , F02F1/34 , F02M15/02 , F02M35/1017 , F02M35/1019 , F02M35/10268 , Y02T10/126
摘要： In an internal combustion engine (2) of a portable handheld work apparatus, the cylinder (3) is provided with cooling ribs (4, 4′). A cooling airflow is generated by the fan wheel (13) and is guided over the cooling ribs. A carburetor (9) is temperaturized as required by the heated cooling air. A control of the cooling airflow to the carburetor (9) takes place in that an opening (11), which passes the heated cooling air, is selectively closed or opened via a closure element (12). In order to obtain improved cooling of the cylinder during summer operation as well as during winter operation, the closure element (12) is provided with at least one air guide wall which extends essentially transversely to the cooling airflow and causes this cooling air to be partially backed up and deflected.
摘要翻译：在便携式手持式工作装置的内燃机（2）中，气缸（3）设置有冷却肋（4,4'）。风扇叶轮（13）产生冷却气流，并在冷却肋条上引导。化油器（9）根据加热的冷却空气的要求进行加热。进入化油器（9）的冷却气流的控制是通过经过加热的冷却空气的开口（11）经由闭合元件（12）选择性地关闭或打开的。为了在夏季操作期间以及在冬季操作期间获得改进的气缸冷却，封闭元件（12）设置有至少一个空气引导壁，其基本上横向于冷却气流延伸并且使该冷却空气部分地备份和偏转。

8. 发明授权

US08215278B2 Internal combustion engine having an elastic connector and method of producing same 有权
标题翻译：具有弹性连接器的内燃机及其制造方法
公开(公告)号：US08215278B2
公开(公告)日：2012-07-10
申请号：US12360337
申请日：2009-01-27
申请人： Stefan Kummermehr , Stefan Richter , Thomas Techow , Viktoria Schmidt , Christoph von Hiller , Ralf Steidinger , Eberhard Bohnaker , Manfred Rabis
发明人： Stefan Kummermehr , Stefan Richter , Thomas Techow , Viktoria Schmidt , Christoph von Hiller , Ralf Steidinger , Eberhard Bohnaker , Manfred Rabis
IPC分类号： F02M35/10 , F02M23/00 , F02B31/00
CPC分类号： F02B31/04 , F02B25/14 , F02B25/22 , F02B31/08 , F02M13/04 , F02M35/10085 , F02M35/10137 , F02M35/1019 , F02M35/10196 , F02M35/108 , Y02T10/146
摘要： An internal combustion engine having a cylinder, a fuel-supply mechanism, and an elastic connector for connecting the fuel supply mechanism to the cylinder. The connector has a first channel for fuel/air mixture and a second channel for combustion air. The connector has a first connection end and a second connection end at which the two channels open out. The two channels are separated from one another by a partition that extends in the longitudinal direction of the channels. The partition is twisted about its longitudinal central axis between the first and second connection ends to achieve a great elasticity of the connector. To produce the elastic connector, a respective core is used for each channel, and the cores are moved relative to one another to enable removal of the connector from a mold.
摘要翻译：具有气缸，燃料供给机构和用于将燃料供给机构连接到气缸的弹性连接器的内燃机。连接器具有用于燃料/空气混合物的第一通道和用于燃烧空气的第二通道。连接器具有第一连接端和两个通道打开的第二连接端。两个通道通过在通道的纵向方向上延伸的隔板彼此分开。分隔件围绕其纵向中心轴线在第一和第二连接端之间扭转以实现连接器的大的弹性。为了制造弹性连接器，对于每个通道使用相应的芯，并且芯相对于彼此移动以使得连接器能够从模具移除。

9. 发明申请

US20100199931A1 Portable handheld work apparatus having an internal combustion engine 审中-公开
标题翻译：具有内燃机的便携式手持式工作装置
公开(公告)号：US20100199931A1
公开(公告)日：2010-08-12
申请号：US12658399
申请日：2010-02-09
申请人： Jan Kurzenberger , Thorsten Hecht , Sebastian Hänssler , Stefan Kummermehr
发明人： Jan Kurzenberger , Thorsten Hecht , Sebastian Hänssler , Stefan Kummermehr
IPC分类号： F01P7/02 , F02F1/06 , F02G5/00 , F02B77/02
CPC分类号： F02M31/145 , F01P1/06 , F01P2060/10 , F02B63/02 , F02F1/30 , F02F1/34 , F02M15/02 , F02M35/1017 , F02M35/1019 , F02M35/10268 , Y02T10/126
摘要： In an internal combustion engine (2) of a portable handheld work apparatus, the cylinder (3) is provided with cooling ribs (4, 4′). A cooling airflow is generated by the fan wheel (13) and is guided over the cooling ribs. A carburetor (9) is temperaturized as required by the heated cooling air. A control of the cooling airflow to the carburetor (9) takes place in that an opening (11), which passes the heated cooling air, is selectively closed or opened via a closure element (12). In order to obtain improved cooling of the cylinder during summer operation as well as during winter operation, the closure element (12) is provided with at least one air guide wall which extends essentially transversely to the cooling airflow and causes this cooling air to be partially backed up and deflected.
摘要翻译：在便携式手持式工作装置的内燃机（2）中，气缸（3）设置有冷却肋（4,4'）。风扇叶轮（13）产生冷却气流，并在冷却肋条上引导。化油器（9）根据加热的冷却空气的要求进行加热。进入化油器（9）的冷却气流的控制发生在通过加热的冷却空气的开口（11）经由闭合元件（12）选择性地关闭或打开。为了在夏季操作期间以及在冬季操作期间获得改进的气缸冷却，封闭元件（12）设置有至少一个空气引导壁，其基本上横向于冷却气流延伸并且使该冷却空气部分地备份和偏转。

10. 发明申请

US20090188461A1 Internal Combustion Engine Having An Elastic Connector And Method Of Producing Same 有权
标题翻译：具有弹性连接器的内燃机及其制造方法
公开(公告)号：US20090188461A1
公开(公告)日：2009-07-30
申请号：US12360337
申请日：2009-01-27
申请人： Stefan Kummermehr , Stefan Richter , Thomas Techow , Viktoria Schmidt , Christoph von Hiller , Ralf Steidinger , Eberhard Bohnaker , Manfred Rabis
发明人： Stefan Kummermehr , Stefan Richter , Thomas Techow , Viktoria Schmidt , Christoph von Hiller , Ralf Steidinger , Eberhard Bohnaker , Manfred Rabis
IPC分类号： F02M35/10 , B29C41/42
CPC分类号： F02B31/04 , F02B25/14 , F02B25/22 , F02B31/08 , F02M13/04 , F02M35/10085 , F02M35/10137 , F02M35/1019 , F02M35/10196 , F02M35/108 , Y02T10/146
摘要： An internal combustion engine having a cylinder, a fuel-supply mechanism, and an elastic connector for connecting the fuel supply mechanism to the cylinder. The connector has a first channel for fuel/air mixture and a second channel for combustion air. The connector has a first connection end and a second connection end at which the two channels open out. The two channels are separated from one another by a partition that extends in the longitudinal direction of the channels. The partition is twisted about its longitudinal central axis between the first and second connection ends to achieve a great elasticity of the connector. To produce the elastic connector, a respective core is used for each channel, and the cores are moved relative to one another to enable removal of the connector from a mold.
摘要翻译：具有气缸，燃料供给机构和用于将燃料供给机构连接到气缸的弹性连接器的内燃机。连接器具有用于燃料/空气混合物的第一通道和用于燃烧空气的第二通道。连接器具有第一连接端和两个通道打开的第二连接端。两个通道通过在通道的纵向方向上延伸的隔板彼此分开。分隔件围绕其纵向中心轴线在第一和第二连接端之间扭转以实现连接器的大的弹性。为了制造弹性连接器，对于每个通道使用相应的芯，并且芯相对于彼此移动以使得连接器能够从模具移除。

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