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公开(公告)号：US10920901B2
公开(公告)日：2021-02-16
申请号：US16479245
申请日：2018-01-18
发明人： Jens Peter Ramler , Patrick Levien , Patrick Schlauch , Peter Kofink , Wolfgang Layher , Bruno Staiger , Marc Staiger , Stefan Waldinsperger , Marcus Wieduwilt
摘要： The invention relates to an electromagnetic valve having a valve housing (2) and a valve opening (29) with a valve seat (8) and an electric drive coil (3) and a magnetic yoke (11) and a longitudinal centre axis (14). The magnetic yoke (11) is assigned a metallic plate armature (5) which is mounted movably and has an armature disc (48). The armature disc (48) lies sealingly with a sealing surface (9) against the valve seat (8) in a first switching position of the valve, and opens the valve seat (8) in a second switching position of the valve. According to the invention, the valve seat (8) is configured on a valve component (18), wherein the valve component (18) has at least one valve opening (29) which lies at a radial spacing (r) from the longitudinal centre axis (14). The valve seat (8) of the valve opening (29), which valve seat (8) corresponds with direct body contact with the sealing surface (9) of the armature disc (48) of the plate armature (7), consists of metal.
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公开(公告)号：US20190383415A1
公开(公告)日：2019-12-19
申请号：US16479245
申请日：2018-01-18
发明人： Jens Peter Ramler , Patrick Levien , Patrick Schlauch , Peter Kofink , Wolfgang Layher , Bruno Staiger , Marc Staiger , Stefan Waldinsperger , Marcus Wieduwilt
摘要： The invention relates to an electromagnetic valve having a valve housing (2) and a valve opening (29) with a valve seat (8) and an electric drive coil (3) and a magnetic yoke (11) and a longitudinal centre axis (14). The magnetic yoke (11) is assigned a metallic plate armature (5) which is mounted movably and has an armature disc (48). The armature disc (48) lies sealingly with a sealing surface (9) against the valve seat (8) in a first switching position of the valve, and opens the valve seat (8) in a second switching position of the valve. According to the invention, the valve seat (8) is configured on a valve component (18), wherein the valve component (18) has at least one valve opening (29) which lies at a radial spacing (r) from the longitudinal centre axis (14). The valve seat (8) of the valve opening (29), which valve seat (8) corresponds with direct body contact with the sealing surface (9) of the armature disc (48) of the plate armature (7), consists of metal.
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3.发明授权Handheld work apparatus and suction head for connection to a fuel line in a handheld work apparatus 有权用于连接到手持式工作装置中的燃料管线的手持式工作装置和吸头公开(公告)号：US09273658B2
公开(公告)日：2016-03-01
申请号：US13684404
申请日：2012-11-23
CPC分类号： F02M69/52 , B01D35/02 , B01D35/027 , B01D35/06 , F02B63/02 , F02M27/045 , F02M37/007 , F02M37/22 , F02M2037/228
摘要： A handheld work apparatus includes a fuel tank, into which a flexible fuel line projects. A suction head is arranged at the free end of the fuel line. The suction head is connected via the fuel line to a fuel supply device of an internal combustion engine of the work apparatus. The suction head has at least one weight member. The weight member is formed at least partially as a magnet to achieve good cleaning of the fuel without a substantial increase in the weight of the work apparatus.
摘要翻译： 手持式工作装置包括燃料箱，柔性燃料管线投入到燃料箱中。 在燃油管路的自由端设有一个吸头。 吸头通过燃料管路连接到作业装置的内燃机的燃料供给装置。 吸头具有至少一个重量件。 重量构件至少部分地形成为磁体，以实现对燃料的良好清洁，而不会显着增加作业装置的重量。
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公开(公告)号：US20130340722A1
公开(公告)日：2013-12-26
申请号：US13707832
申请日：2012-12-07
IPC分类号： F02B15/00
CPC分类号： F02B15/00 , F02M1/16 , F02M37/0023 , F02M37/0029 , F02M37/007 , F02M37/16 , F02M37/18 , F02M37/20 , F02M69/10
摘要： An internal combustion engine has a fuel system that has a fuel valve with a housing, wherein in the housing a fuel chamber is formed. A fuel pump pumps fuel from a fuel tank into the fuel chamber. A conveying pump provides forced conveyance of fuel into the fuel system. A feed line is connected to the fuel chamber of the fuel valve. The conveying pump is arranged in the feed line and supplies fuel to the fuel chamber. A relief line is connected to the fuel chamber of the fuel valve and a first valve is arranged in the relief line.
摘要翻译： 内燃机具有燃料系统，该燃料系统具有带有壳体的燃料阀，其中在壳体中形成燃料室。 燃料泵将燃料从燃料箱泵入燃料室。 输送泵提供强制的燃料输送到燃料系统中。 进料管线连接到燃料阀的燃料室。 输送泵布置在进料管线中并将燃料供应到燃料室。 救生线连接到燃料阀的燃料室，第一阀布置在救生线中。
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公开(公告)号：US20130340693A1
公开(公告)日：2013-12-26
申请号：US13707771
申请日：2012-12-07
IPC分类号： F01P5/04
摘要： A power tool has an internal combustion engine with a cylinder. An injection valve supplies fuel to the internal combustion engine. A fuel pump conveys fuel from a fuel tank to the injection valve. A fan wheel is provided that is driven by the internal combustion engine. The cylinder is arranged in a first cooling zone of the power tool and the fan wheel conveys cooling air through the first cooling zone. The fuel pump is arranged in a second cooling zone of the power tool. Between the first cooling zone and the second cooling zone a buffer zone is arranged. The buffer zone is separated by at least one first partition from the first cooling zone and by at least one second petition from the second cooling zone.
摘要翻译： 电动工具具有带气缸的内燃机。 喷射阀向内燃机供应燃料。 燃料泵将燃料从燃料箱传送到喷射阀。 提供由内燃机驱动的风扇叶轮。 气缸布置在动力工具的第一冷却区域中，风扇叶轮通过第一冷却区域传送冷却空气。 燃料泵布置在电动工具的第二冷却区域中。 在第一冷却区和第二冷却区之间布置缓冲区。 缓冲区由与第一冷却区的至少一个第一分隔开和至少一个来自第二冷却区的第二次请求隔开。
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公开(公告)号：US20130146028A1
公开(公告)日：2013-06-13
申请号：US13707625
申请日：2012-12-07
IPC分类号： F02M69/54
CPC分类号： F02M69/54 , F02M1/16 , F02M37/0023 , F02M37/007 , F02M37/16
摘要： An internal combustion engine has a fuel supply device, wherein the fuel supply device includes a fuel pump, a fuel pressure damper, an injection valve, and a fuel pressure regulator. The fuel pressure damper has a damper membrane separating a damper chamber and a damper back chamber from each other. The damper chamber of the fuel pressure damper is loaded with a first reference pressure. The fuel pressure regulator regulates a pressure of fuel supplied by the fuel pump to the injection valve based on a second reference pressure of the fuel pressure regulator. The first reference pressure and the second reference pressure are adjusted relative to each other.
摘要翻译： 内燃机具有燃料供给装置，其特征在于，所述燃料供给装置具备燃料泵，燃料压力调节器，喷射阀以及燃料压力调节器。 燃料压力阻尼器具有将阻尼室和减震器后室彼此分离的阻尼膜。 燃料压力调节器的阻尼室被加载第一参考压力。 燃料压力调节器基于燃料压力调节器的第二参考压力来调节由燃料泵供应到喷射阀的燃料的压力。 第一参考压力和第二参考压力相对于彼此调节。
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7.发明申请HANDHELD WORK APPARATUS AND SUCTION HEAD FOR CONNECTION TO A FUEL LINE IN A HANDHELD WORK APPARATUS 有权手持式工作装置中的燃油管线连接手术装置和吸头公开(公告)号：US20130133620A1
公开(公告)日：2013-05-30
申请号：US13684404
申请日：2012-11-23
IPC分类号： F02M69/52
CPC分类号： F02M69/52 , B01D35/02 , B01D35/027 , B01D35/06 , F02B63/02 , F02M27/045 , F02M37/007 , F02M37/22 , F02M2037/228
摘要： A handheld work apparatus includes a fuel tank (8), into which a flexible fuel line (9) projects. A suction head (12, 46, 56, 66) is arranged at the free end (45) of the fuel line (9). The suction head is connected via the fuel line (9) to a fuel supply device (10) of an internal combustion engine (5) of the work apparatus. The suction head (12, 46, 56, 66) has at least, one weight member (16, 17, 47, 57, 67). The weight member (16, 47, 57, 67) is formed at least partially as a magnet to achieve good cleaning of the fuel without a substantial increase in the weight of the work apparatus.
摘要翻译： 手持式作业装置包括燃料箱（8），弹性燃料管路（9）投入到燃料箱中。 在燃料管路（9）的自由端（45）设有吸头（12,46,56,66）。 吸头通过燃料管路（9）与工作装置的内燃机（5）的燃料供给装置（10）连接。 吸头（12,46,56,66）具有至少一个配重构件（16,17,47,57,67）。 重量构件（16,47,57,67）至少部分地形成为磁体，以实现对燃料的良好清洁，而不会显着增加作业装置的重量。
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公开(公告)号：US10145346B2
公开(公告)日：2018-12-04
申请号：US14620027
申请日：2015-02-11
发明人： Jens Ramler , Felix Mayer , Wolfgang Layher , Georg Maier , Takumi Nonaka , Hiroyuki Oka , Hideki Watanabe
摘要： An electromagnetic fuel valve has a valve chamber, a valve element and a valve seat assigned to the valve element. The valve chamber is delimited by an electromagnetic drive which moves the valve element relative to the valve seat. The drive includes a receiving housing for a coil carrier with an electrical coil. A magnet core is inserted into the coil carrier and has an end section facing the valve element. At an open sealing end facing toward the valve chamber, a sealing element is arranged between the end section of the magnet core and the receiving housing. To achieve good sealing, that end section of the magnet core situated in the sealing element expands the sealing element and compresses the material thereof radially against the edge of the sealing end of the receiving housing to seal the valve chamber to the interior space of the receiving housing.
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公开(公告)号：US09534528B2
公开(公告)日：2017-01-03
申请号：US13707832
申请日：2012-12-07
CPC分类号： F02B15/00 , F02M1/16 , F02M37/0023 , F02M37/0029 , F02M37/007 , F02M37/16 , F02M37/18 , F02M37/20 , F02M69/10
摘要： An internal combustion engine has a fuel system that has a fuel valve with a housing, wherein in the housing a fuel chamber is formed. A fuel pump pumps fuel from a fuel tank into the fuel chamber. A conveying pump provides forced conveyance of fuel into the fuel system. A feed line is connected to the fuel chamber of the fuel valve. The conveying pump is arranged in the feed line and supplies fuel to the fuel chamber. A relief line is connected to the fuel chamber of the fuel valve and a first valve is arranged in the relief line.
摘要翻译： 内燃机具有燃料系统，该燃料系统具有带有壳体的燃料阀，其中在壳体中形成燃料室。 燃料泵将燃料从燃料箱泵入燃料室。 输送泵提供强制的燃料输送到燃料系统中。 进料管线连接到燃料阀的燃料室。 输送泵布置在进料管线中并将燃料供应到燃料室。 救生线连接到燃料阀的燃料室，第一阀布置在救生线中。
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公开(公告)号：US09175594B2
公开(公告)日：2015-11-03
申请号：US13707771
申请日：2012-12-07
IPC分类号： F01P7/04 , F01P5/04 , F01P1/06 , F01P5/06 , F01P11/12 , F01P1/02 , F02B63/02 , F01P5/02 , F01P1/10
摘要： A power tool has an internal combustion engine with a cylinder. An injection valve supplies fuel to the internal combustion engine. A fuel pump conveys fuel from a fuel tank to the injection valve. A fan wheel is provided that is driven by the internal combustion engine. The cylinder is arranged in a first cooling zone of the power tool and the fan wheel conveys cooling air through the first cooling zone. The fuel pump is arranged in a second cooling zone of the power tool. Between the first cooling zone and the second cooling zone a buffer zone is arranged. The buffer zone is separated by at least one first partition from the first cooling zone and by at least one second petition from the second cooling zone.
摘要翻译： 电动工具具有带气缸的内燃机。 喷射阀向内燃机供应燃料。 燃料泵将燃料从燃料箱传送到喷射阀。 提供由内燃机驱动的风扇叶轮。 气缸布置在动力工具的第一冷却区域中，风扇叶轮通过第一冷却区域传送冷却空气。 燃料泵布置在电动工具的第二冷却区域中。 在第一冷却区和第二冷却区之间布置缓冲区。 缓冲区由与第一冷却区的至少一个第一分隔和至少一个第二冷却区的第二次请求隔开。
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