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公开(公告)号：US06314922B1
公开(公告)日：2001-11-13
申请号：US09360107
申请日：1999-07-23
申请人： Helmut Zimmermann , Werner Geyer , Jörg Schlossarczyk , Hans Nickel , Harald Schliemann , Gunter Stein , Peter Stücke , Bernhard Dürr , Axel Klimmek
发明人： Helmut Zimmermann , Werner Geyer , Jörg Schlossarczyk , Hans Nickel , Harald Schliemann , Gunter Stein , Peter Stücke , Bernhard Dürr , Axel Klimmek
IPC分类号： F01P704
CPC分类号： F02M35/1017 , B25F5/008 , B27B17/00 , F02B63/02 , F02B2075/025 , F02M35/10013 , F02M35/10262 , Y02T10/146
摘要： A hand-held working tool has a housing and an internal combustion engine arranged in the housing and comprising a crankshaft and an air filter. A tool is driven by the crankshaft of the internal combustion engine. A fan housing is attached to the engine housing and has an air inlet. A fan wheel is arranged in the fan housing and is driven by the crankshaft of the internal combustion engine to supply cooling air, sucked in through the air inlet, to the internal combustion engine. The fan housing has a bottom extending radially to the crankshaft. The bottom and a side of the fan wheel facing the bottom define a chamber in the fan housing. The bottom has a combustion air outlet. A combustion air channel is connected to the combustion air outlet and to the air filter. The combustion air outlet is axially supplying combustion air from the chamber through the combustion air channel into the air filter of internal combustion engine. The fan housing has a channel wall having a bottom portion connected to the face of the bottom remote from the fan wheel and covering the bottom partially to form a double-walled bottom. The end face portion of the combustion air channel is defined by the bottom and the bottom portion of the channel wall. In an alternative embodiment the combustion air channel is provided in a hollow beam of a support that supports the drive unit of the working tool.
摘要翻译： 一种手持式工具具有壳体和布置在壳体中的内燃机，包括曲轴和空气过滤器。 工具由内燃机的曲轴驱动。 风扇壳体附接到发动机壳体并具有进气口。 风扇轴设置在风扇壳体中，并由内燃机的曲轴驱动，以将通过空气入口吸入的冷却空气供给到内燃机。 风扇壳体具有径向延伸到曲轴的底部。 风扇轮的底部和面向底部的一侧限定了风扇壳体中的室。 底部有一个燃烧空气出口。 燃烧空气通道连接到燃烧空气出口和空气过滤器。 燃烧空气出口轴向地将来自腔室的燃烧空气通过燃烧空气通道供应到内燃机的空气过滤器中。 风扇壳体具有通道壁，该通道壁的底部连接到远离风扇叶的底部的表面，并部分地覆盖底部以形成双壁底部。 燃烧空气通道的端面部分由通道壁的底部和底部限定。 在替代实施例中，燃烧空气通道设置在支撑工作工具的驱动单元的支撑件的中空梁中。
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公开(公告)号：US5522143A
公开(公告)日：1996-06-04
申请号：US338874
申请日：1994-11-14
CPC分类号： B27B17/14
摘要： The invention is directed to a tensioning arrangement for saw chains of motor-driven chain saws which include a device for longitudinally displacing the guide bar. The clamped guide bar is released so that the adjusting arrangement can be actuated for the longitudinal displacement of the guide bar. By rotating a disc having a spiral slot, a slide piece, which is coupled to the guide bar, is displaced in the longitudinal direction. Assembly is simplified and handling facilitated when the tension in the saw chain is adjusted. This is achieved by making the slide piece on the spiral disc so that it is not released therefrom but instead is held so as to be rotationally and longitudinally displaceable. The slide piece is fixedly connected to the guide bar by using appropriate attachment devices.
摘要翻译： 本发明涉及一种用于电动链锯的锯链的张紧装置，其包括用于纵向移位导向杆的装置。 夹紧的导杆被释放，使得调节装置可以被致动以引导杆的纵向位移。 通过旋转具有螺旋槽的盘，联接到导杆的滑动件在纵向方向上移位。 当锯链中的张力被调整时，装配被简化和处理。 这是通过将滑动片制成螺旋盘而使其不被释放而是被保持为可旋转和纵向移位的。 滑块通过使用适当的附接装置固定地连接到导杆。
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公开(公告)号：US5491899A
公开(公告)日：1996-02-20
申请号：US296153
申请日：1994-08-29
IPC分类号： B27B17/14
CPC分类号： B27B17/14 , Y10T83/7239
摘要： The invention is directed to a tensioning arrangement for a saw chain of a motor-driven chain saw. The saw chain runs on a guide bar mounted on the motor housing of the chain saw. The tensioning arrangement includes a rotatable disc having a spirally-shaped guide slot in which a lug of a slide piece engages. The longitudinal displacement of the guide bar is provided by rotating the disc. The guide slot in the disc extends over a rotational angle of at least 270.degree.. A still lesser slope of the guide slot is provided with a rotational angle in the range of 360.degree. to 450.degree.. The tensioning arrangement is especially suitable for adjusting the guide bar in motor-driven chain saws thereby adjusting the tension in the saw chain.
摘要翻译： 本发明涉及一种用于电动链锯锯锯的张紧装置。 锯链在安装在链锯的马达壳体上的导杆上运行。 张紧装置包括具有螺旋状导向槽的可旋转盘，其中滑块的凸耳接合在其中。 通过旋转盘来提供导杆的纵向位移。 盘中的引导槽在至少270°的旋转角度上延伸。 引导槽的较小的斜面设置有360°至450°范围内的旋转角度。 张紧装置特别适用于调整电动链锯中的导杆，从而调节锯链中的张力。
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公开(公告)号：US5358062A
公开(公告)日：1994-10-25
申请号：US098891
申请日：1993-07-29
CPC分类号： E21B3/035 , E21B11/005 , E21B44/00 , E21B44/04
摘要： The invention directed to a portable handheld drilling apparatus for receiving and driving a drill which can encounter a drilling resistance during a drilling operation thereby causing the drilling apparatus to undergo an unwanted rotational movement. The drilling apparatus of the invention includes: a handle for holding by an operator while performing the drilling operation; a drive motor; a transmission for driving the drill; a centrifugal clutch assembly mounted between the drive motor and the transmission; a brake device movable between an inactive position and a braking position; a trigger lever movable between a first position wherein the trigger lever is at rest and a second position; the trigger lever being operatively connected to the brake device so as to trip the brake device into the braking position when the trigger lever moves from the first position into the second position; and, an actuating device for acting upon the trigger lever to cause the trigger lever to move into the second position when the unwanted rotational movement exceeds a pregiven limit value.
摘要翻译： 本发明涉及一种用于接收和驱动钻孔的便携式手持式钻孔设备，钻头在钻井操作期间可能会遇到钻井阻力，从而导致钻井设备经历不必要的旋转运动。 本发明的钻井装置包括：在进行钻井作业时由操作者保持的手柄; 驱动电机; 用于驱动钻头的变速器; 安装在驱动电动机和变速器之间的离心式离合器组件; 制动装置，其可在非活动位置和制动位置之间移动; 触发杆，其可在触发器杆处于静止状态的第一位置和第二位置之间移动; 触发杆可操作地连接到制动装置，以便当触发器杆从第一位置移动到第二位置时使制动装置跳闸到制动位置; 以及当不需要的旋转运动超过预定极限值时，用于作用在触发杆上的致动装置，以使触发杆移动到第二位置。
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5.发明授权公开(公告)号：US07363910B2
公开(公告)日：2008-04-29
申请号：US11494501
申请日：2006-07-28
申请人： Eberhard Schieber , Heinrich Leufen , Mohamed Abou-Aly , Hans Nickel , Heiko Rosskamp , Jörg Schlossarczyk
发明人： Eberhard Schieber , Heinrich Leufen , Mohamed Abou-Aly , Hans Nickel , Heiko Rosskamp , Jörg Schlossarczyk
IPC分类号： F02P3/08
CPC分类号： F02P3/0807 , F02D2200/1012 , F02D2400/06 , F02P9/002
摘要： An ignition circuit is for an internal combustion engine in a handheld portable work apparatus. A combustion chamber (4) is configured in the cylinder (3) of the engine (1) which is delimited by a piston (5) driving a crankshaft (7). A pole wheel (10) revolves with the crankshaft (7) and is assigned to an induction loop (13). The pole wheel periodically changes the magnetic flux in the induction loop. An ignition capacitor (16) is charged by a charge coil (14) of the induction loop and is discharged via a discharge circuit (15) via an ignition coil (17). The ignition coil is connected to a spark plug (19) projecting into the combustion chamber. For achieving a powerful ignition spark, the discharge of the ignition capacitor is prevented by an rpm evaluation circuit (23) when the rpm curve (30) exhibits an rpm change (Δn) which exceeds a pregiven threshold value.
摘要翻译： 点火电路是用于手持便携式工作装置中的内燃机。 燃烧室（4）构造在发动机（1）的气缸（3）中，其由驱动曲轴（7）的活塞（5）限定。 极轮（10）与曲轴（7）一起旋转并分配给感应回路（13）。 极轮周期性地改变感应回路中的磁通量。 点火电容器（16）由感应回路的充电线圈（14）充电，经由点火线圈（17）经由放电电路（15）放电。 点火线圈连接到突出到燃烧室中的火花塞（19）。 为了实现强烈的点火火花，当转速曲线（30）表现出超过预定阈值的转速变化（Deltan）时，通过转速评估电路（23）防止点火电容器的放电。
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公开(公告)号：US07325528B2
公开(公告)日：2008-02-05
申请号：US11333278
申请日：2006-01-18
申请人： Eberhard Schieber , Heinrich Leufen , Mohamed Abou-Aly , Hans Nickel , Heiko Rosskamp , Jörg Schlossarczyk , Klaus Geyer
发明人： Eberhard Schieber , Heinrich Leufen , Mohamed Abou-Aly , Hans Nickel , Heiko Rosskamp , Jörg Schlossarczyk , Klaus Geyer
CPC分类号： F02B25/14 , F02D37/02 , F02D41/061 , F02D41/08 , F02D41/1497 , F02D41/22 , F02D41/3058 , F02D2200/1012 , F02D2200/1015 , F02D2400/04 , F02D2400/06 , F02P5/045
摘要： The invention is directed to a method for operating a two-stroke engine having a cylinder in which a combustion chamber is formed and which includes devices for metering fuel and supplying combustion air as well as an ignition device for igniting a mixture in the combustion chamber. In the method, fuel and combustion air are supplied to the engine and the mixture in the combustion chamber is ignited. The combustion chamber is delimited by a piston which drives a crankshaft rotatably journalled in a crankcase. A control is provided which controls the metering of fuel and the ignition of the mixture in the combustion chamber. In the method, the two-stroke engine is controlled in at least one operating state so that the number of combustions is less than the number of revolutions of the crankshaft in the same time interval.
摘要翻译： 本发明涉及一种用于操作具有气缸的二冲程发动机的方法，其中形成有燃烧室，并且包括用于计量燃料和供应燃烧空气的装置以及用于点燃燃烧室中的混合物的点火装置。 在该方法中，将燃料和燃烧空气供给到发动机，并且燃烧室中的混合物被点燃。 燃烧室由活塞驱动，该曲轴可旋转地轴颈安装在曲轴箱中。 提供控制燃料的燃料计量和燃烧室中的混合物点燃的控制。 在该方法中，二冲程发动机被控制在至少一个操作状态，使得燃烧次数小于曲轴在同一时间间隔内的转数。
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公开(公告)号：US06256890B1
公开(公告)日：2001-07-10
申请号：US09350400
申请日：1999-07-08
申请人： Harald Schliemann , Manfred Rabis , Hans Nickel
发明人： Harald Schliemann , Manfred Rabis , Hans Nickel
IPC分类号： B23D5702
CPC分类号： B27B17/02
摘要： A mounting mechanism for an adjustable component that is to be held against an abutment surface of a housing, especially for the guide bar of a power chain saw, is provided. The mechanism includes at least two bolts that are provided on the housing, are spaced from one another, and project beyond the abutment surface of the housing and into an elongated opening of the component. At least one device is provided that extends into a gap between one of the bolts and at least one of the longitudinal edges of the elongated opening for engaging such at least one longitudinal edge.
摘要翻译： 提供了一种用于可调节部件的安装机构，该安装机构将抵靠住壳体的邻接表面，特别是用于动力链锯的引导杆。 该机构包括设置在壳体上的至少两个螺栓，彼此间隔开，并突出超出壳体的邻接表面并进入部件的细长开口。 提供至少一个装置，该装置延伸到一个螺栓之间的间隙中，以及细长开口的至少一个纵向边缘，用于接合至少一个纵向边缘。
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公开(公告)号：US06571756B1
公开(公告)日：2003-06-03
申请号：US09889065
申请日：2001-07-06
申请人： Heiko Rosskamp , Hans Nickel , Axel Klimmek , Thomas Stark , Peter Pretzsch
发明人： Heiko Rosskamp , Hans Nickel , Axel Klimmek , Thomas Stark , Peter Pretzsch
IPC分类号： F02B3304
CPC分类号： F02B25/22 , F02B63/02 , F02B2075/025 , F02B2075/027
摘要： The invention relates to a two-cycle engine for a drive engine in a portable, manually operated tool. The combustion chamber formed in a cylinder is delimited by a piston that moves up and down, whereby the piston, by means of a connecting rod, drives a crankshaft rotatably mounted in a crankcase. The combustion chamber has an outlet for removing waste gases, and provided for supplying a fuel/air mixture prepared by a mixture preparation device, and combustion air, are gas-supplying channels that open into the combustion chamber. In order to reduce scavenging losses, it is provided that for the entire duration of the gas exchange exclusively air flows in the area near the outlet and exclusively fuel/air mixture flows out of the crankcase in the area further away from the outlet.
摘要翻译： 本发明涉及一种用于便携式手动操作工具中的驱动发动机的双冲程发动机。 形成在气缸中的燃烧室由上下移动的活塞限定，借助连杆驱动活塞可旋转地安装在曲轴箱中的曲轴。 燃烧室具有用于除去废气的出口，用于供应由混合物制备装置和燃烧空气制备的燃料/空气混合物，是向燃烧室通入的气体供应通道。 为了减少清除损失，条件是，在气体交换的整个持续时间内，专用空气在出口附近的区域中流动，并且仅在燃料/空气混合物从更远离出口的区域中流出曲轴箱。
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公开(公告)号：US07013936B2
公开(公告)日：2006-03-21
申请号：US10644039
申请日：2003-08-20
申请人： Harald Schliemann , Hans Nickel
发明人： Harald Schliemann , Hans Nickel
IPC分类号： B65B1/04
CPC分类号： B67D7/005
摘要： An arrangement for decanting liquids includes a tubular-shaped support (1) having a flow channel (2). The flow channel (2) is blocked by a valve plate (3) which is coupled via axial connecting elements (4, 4′) to the relative movement of an inner sleeve (5) and an outer sleeve (6) of the support (1). The outer sleeve (6) lies in overlapment and the axial connecting elements (4, 4′) extend into the interior of the support. The valve plate (3) can be lifted from its valve seat against a spring force engaging at the inner sleeve (5) and at the outer sleeve (6). A radial flange collar (13) is formed on the outer sleeve (6). To ensure an accurate metering at the highest possible volume flow of the discharged liquid at low manufacturing costs, the valve plate (3) is mounted at a free end (9) of the support (1) and the axial connecting elements are configured as tension rods (4, 4′) and are arranged next to an edge of the valve plate (3).
摘要翻译： 用于倾析液体的装置包括具有流动通道（2）的管状支撑件（1）。 流动通道（2）被阀板（3）阻塞，阀板（3）通过轴向连接元件（4,4'）联接到支撑件的内套筒（5）和外套筒（6）的相对运动 1）。 外套筒（6）位于重叠中，并且轴向连接元件（4,4'）延伸到支撑件的内部。 阀板（3）可以抵抗与内套筒（5）和外套筒（6）接合的弹簧力从阀座提升。 径向凸缘轴环（13）形成在外套筒（6）上。 为了确保以低制造成本在排出液体的最大体积流量下的精确计量，阀板（3）安装在支撑件（1）的自由端（9）处，并且轴向连接元件被构造为张力 杆（4,4'）并且布置在阀板（3）的边缘旁边。
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公开(公告)号：US6079582A
公开(公告)日：2000-06-27
申请号：US787628
申请日：1997-01-23
申请人： Hans Nickel , Harald Schliemann
发明人： Hans Nickel , Harald Schliemann
CPC分类号： B60K15/0406 , Y10S220/33
摘要： A tank closure for a fill opening of a fuel tank has a closing device extending axially through the fill opening of the fuel tank. The closing device includes a grip for actuating the closing device. The closing device also includes a first clamping member and a second clamping member movable axially toward one another. The first clamping member has a first clamping surface and the second clamping member has a second clamping surface. The first and second clamping surfaces face one another and define therebetween an annular chamber. The first and second clamping surfaces are positioned at an angle .alpha. to one another. The closing device also includes a radially elastically expandable sealing ring positioned in the annular chamber.
摘要翻译： 用于燃料箱的填充开口的罐盖具有轴向延伸穿过燃料箱的填充开口的闭合装置。 关闭装置包括用于致动关闭装置的把手。 关闭装置还包括第一夹紧构件和可朝向彼此轴向移动的第二夹紧构件。 第一夹紧构件具有第一夹紧表面，并且第二夹紧构件具有第二夹紧表面。 第一和第二夹紧表面彼此面对并且在其间限定环形室。 第一和第二夹紧表面彼此成角度α。 闭合装置还包括定位在环形室中的径向可弹性膨胀的密封环。
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