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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
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。
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公开(公告)号：US5237787A
公开(公告)日：1993-08-24
申请号：US743159
申请日：1991-08-09
申请人： Paul W. Grether, deceased , Tina Grether, heir , Moritz Grether-Escher, heir , Michael Grether, heir
发明人： Paul W. Grether, deceased , Tina Grether, heir , Moritz Grether-Escher, heir , Michael Grether, heir
CPC分类号： E06B3/6715
摘要： The glazing element is provided with at least one tensioned insulation form (2) between two panes (1). Spring elements (3) secured to a tension profile (4) serve to place the film under tension. The spring elements are distributed over the entire film periphery. They are also elastically bendable in all directions transverse to their elongation, and are secured with their longitudinal direction essentially perpendicular to the film plane with one end at the film and the other end secured to the tension profile In this manner, the spring elements can elastically follow relative shape alterations of the film with respect to the tension profile by bending transversely to their longitudinal direction. In this novel construction, tension forces are distributed in all directions in the insulation film. No friction forces need to be overcome in order to tension the film. The entire tension taken up by the film support is so small that it is possible simply to adhere the tension profile inwardly to the panes. Simple helical coils can be used as the spring elements
摘要翻译： 玻璃元件在两个窗玻璃（1）之间设置有至少一个张紧绝缘层（2）。 固定到张力轮廓（4）的弹簧元件（3）用于将膜放置在张力下。 弹簧元件分布在整个胶片周边。 它们也可以在横向于它们的伸长的所有方向上弹性弯曲，并且其纵向方向基本上垂直于薄膜平面固定，其一端位于薄膜上，另一端固定在张力轮廓上。以这种方式，弹簧元件可以弹性地 通过相对于其纵向方向横向地弯曲而相对于张力轮廓跟随膜的相对形状变化。 在这种新颖的结构中，拉伸力分布在绝缘膜中的所有方向上。 为了拉紧薄膜，不需要克服摩擦力。 由薄膜支撑件吸收的整个张力非常小，可以简单地将张力分布向内附着到窗格上。 简单的螺旋线圈可用作弹簧元件
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公开(公告)号：US20060021729A1
公开(公告)日：2006-02-02
申请号：US10902447
申请日：2004-07-29
申请人： Paul Werner , Michael Grether
发明人： Paul Werner , Michael Grether
IPC分类号： B22D19/14
CPC分类号： C22C47/068 , B22D19/14 , B22F2998/00 , B22F2998/10 , C22C47/00 , C22C47/06 , C22C47/12 , B22F3/14
摘要： Methods for making metal matrix composite inserts and metal matrix composite articles.
摘要翻译： 制备金属基复合材料嵌件和金属基复合材料制品的方法。
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公开(公告)号：US5260112A
公开(公告)日：1993-11-09
申请号：US743017
申请日：1991-08-09
申请人： Paul W. Grether, deceased , Tina Grether, heir , Moritz Grether-Escher, heir , Michael Grether, heir
发明人： Paul W. Grether, deceased , Tina Grether, heir , Moritz Grether-Escher, heir , Michael Grether, heir
CPC分类号： E06B3/66319 , E06B2003/6638 , Y10T428/24777
摘要： In an edge connection for the panes (1, 2) of a compound glass element there is provided a spacing profile (3) which preferably consists of a poorly heat-conductive plastic material. This is adhered between the panes with a contact adhesive (4). As a vapour-barrier, a band (5) of a thin flat metal foil is applied around the exterior of the spacing profile. The outer surface (3.1) of the spacing profile is inwardly offset with respect to the flat metal band in the edge regions adjacent the panes, in such a way that peripherally running chambers (6) are created. These chambers are filled with a vapour-proof adhesive, preferably butyl-adhesive.
摘要翻译： 在用于复合玻璃元件的窗玻璃（1,2）的边缘连接处，设置有优选由导热不良的塑料材料组成的间隔分布（3）。 这被粘接在具有接触粘合剂（4）的玻璃板之间。 作为蒸气阻挡层，薄片状金属箔的带（5）被施加在间隔分布的外部周围。 间隔轮廓的外表面（3.1）相对于邻近窗格的边缘区域中的平坦金属带向内偏移，从而产生外围运行室（6）。 这些室充满防蒸汽粘合剂，优选丁基粘合剂。
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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
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。
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公开(公告)号：US20120297631A1
公开(公告)日：2012-11-29
申请号：US13474965
申请日：2012-05-18
申请人： Niels KUNERT , Jürgen AUPPERLE , Michael GRETHER
发明人： Niels KUNERT , Jürgen AUPPERLE , Michael GRETHER
CPC分类号： F02P5/1508 , F02B63/02 , F02D2400/06 , F02P3/055 , F02P5/02 , F02P5/04 , F02P5/1504 , F02P5/1506 , Y02T10/46
摘要： A working apparatus has an internal combustion engine which drives at least one tool via a clutch. The clutch starts the coupling process at an initial engagement speed when the internal combustion engine is accelerated. The internal combustion engine has a piston, an ignition device and an ignition timing control device. The control device provides a first ignition timing for idling and a second ignition timing for full load operation, which is earlier than the first ignition timing. A method for operating the working apparatus provides that the ignition timing is adjusted toward “late,” with respect to the first ignition timing, when the engine speed drops in a first speed range above the idling speed and below the initial engagement speed.
摘要翻译： 工作装置具有通过离合器驱动至少一个工具的内燃机。 当内燃机加速时，离合器以初始接合速度开始联接过程。 内燃机具有活塞，点火装置和点火正时控制装置。 控制装置为空载运行提供第一点火正时和提供比第一点火正时更早的满载运行的第二点火正时。 一种操作该加工装置的方法，其特征在于，当所述发动机转速在空转速度以上且低于初始接合速度的第一速度范围内时，相对于所述第一点火正时，向所述后期调整所述点火正时。
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公开(公告)号：US20120060381A1
公开(公告)日：2012-03-15
申请号：US13225789
申请日：2011-09-06
申请人： Niels Kunert , Michael Grether
发明人： Niels Kunert , Michael Grether
CPC分类号： F02B25/14 , F02B25/22 , F02B33/04 , F02B63/02 , F02B2075/025
摘要： A hand-held power tool has a two-stroke engine with a cylinder with combustion chamber and a piston disposed therein that drives a crankshaft supported in a crankcase. In at least one piston position, crankcase and combustion chamber are connected by a transfer passage. An air passage supplies in at least one piston position combustion air to the transfer passage. A mixture passage for fuel/air mixture is provided. Air and mixture passages in operation are at least partially connected to each other. Part of the mixture passage is formed in a carburetor where a fuel port opens into the mixture passage. The mixture passage opens into the crankcase with a piston-controlled mixture inlet having a width in circumferential direction of the cylinder. Upon upward piston stroke the mixture inlet is connected to the crankcase with a portion of the width before a connection of air passage and transfer passage is established.
摘要翻译： 手持式电动工具具有二冲程发动机，其具有带有燃烧室的气缸和设置在其中的活塞，其驱动支撑在曲轴箱中的曲轴。 在至少一个活塞位置，曲轴箱和燃烧室通过传送通道连接。 空气通道在至少一个活塞位置供应燃烧空气到输送通道。 提供了用于燃料/空气混合物的混合通道。 运行中的空气和混合物通道至少部分地彼此连接。 混合物通道的一部分形成在燃料口通向混合通道的化油器中。 混合物通道通过活塞控制的混合物入口打开到曲轴箱中，该入口具有圆柱体的圆周方向的宽度。 在向上活塞冲程时，混合物入口在空气通道和输送通道的连接建立之前与宽度的一部分连接。
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公开(公告)号：US20060024489A1
公开(公告)日：2006-02-02
申请号：US10901753
申请日：2004-07-29
申请人： Paul Werner , Michael Grether
发明人： Paul Werner , Michael Grether
CPC分类号： B22D19/14 , Y10T428/12493 , Y10T428/249927 , Y10T428/25 , Y10T428/294
摘要： Metal matrix composite inserts and methods of making the same. The inserts are useful in making metal matrix composite articles.
摘要翻译： 金属基复合材料刀片及其制作方法。 刀片可用于制造金属基复合制品。
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公开(公告)号：US09109569B2
公开(公告)日：2015-08-18
申请号：US13474965
申请日：2012-05-18
申请人： Niels Kunert , Jürgen Aupperle , Michael Grether
发明人： Niels Kunert , Jürgen Aupperle , Michael Grether
CPC分类号： F02P5/1508 , F02B63/02 , F02D2400/06 , F02P3/055 , F02P5/02 , F02P5/04 , F02P5/1504 , F02P5/1506 , Y02T10/46
摘要： A working apparatus has an internal combustion engine which drives at least one tool via a clutch. The clutch starts the coupling process at an initial engagement speed when the internal combustion engine is accelerated. The internal combustion engine has a piston, an ignition device and an ignition timing control device. The control device provides a first ignition timing for idling and a second ignition timing for full load operation, which is earlier than the first ignition timing. A method for operating the working apparatus provides that the ignition timing is adjusted toward “late,” with respect to the first ignition timing, when the engine speed drops in a first speed range above the idling speed and below the initial engagement speed.
摘要翻译： 工作装置具有通过离合器驱动至少一个工具的内燃机。 当内燃机加速时，离合器以初始接合速度开始联接过程。 内燃机具有活塞，点火装置和点火正时控制装置。 控制装置为空载运行提供第一点火正时和提供比第一点火正时更早的满载运行的第二点火正时。 一种操作该加工装置的方法，其特征在于，当所述发动机转速在空转速度以上且低于初始接合速度的第一速度范围内时，相对于所述第一点火正时，向所述“点火时刻”调整所述点火正时。
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公开(公告)号：US08863705B2
公开(公告)日：2014-10-21
申请号：US13225789
申请日：2011-09-06
申请人： Niels Kunert , Michael Grether
发明人： Niels Kunert , Michael Grether
CPC分类号： F02B25/14 , F02B25/22 , F02B33/04 , F02B63/02 , F02B2075/025
摘要： A hand-held power tool has a two-stroke engine with a cylinder with combustion chamber and a piston disposed therein that drives a crankshaft supported in a crankcase. In at least one piston position, crankcase and combustion chamber are connected by a transfer passage. An air passage supplies in at least one piston position combustion air to the transfer passage. A mixture passage for fuel/air mixture is provided. Air and mixture passages in operation are at least partially connected to each other. Part of the mixture passage is formed in a carburetor where a fuel port opens into the mixture passage. The mixture passage opens into the crankcase with a piston-controlled mixture inlet having a width in circumferential direction of the cylinder. Upon upward piston stroke the mixture inlet is connected to the crankcase with a portion of the width before a connection of air passage and transfer passage is established.
摘要翻译： 手持式电动工具具有二冲程发动机，其具有带有燃烧室的气缸和设置在其中的活塞，其驱动支撑在曲轴箱中的曲轴。 在至少一个活塞位置，曲轴箱和燃烧室通过传送通道连接。 空气通道在至少一个活塞位置供应燃烧空气到输送通道。 提供了用于燃料/空气混合物的混合通道。 运行中的空气和混合物通道至少部分地彼此连接。 混合物通道的一部分形成在燃料口通向混合通道的化油器中。 混合物通道通过活塞控制的混合物入口打开到曲轴箱中，该入口具有圆柱体的圆周方向的宽度。 在向上活塞冲程时，混合物入口在空气通道和输送通道的连接建立之前与宽度的一部分连接。
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