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    • 3. 发明授权
    • Four-stroke engine
    • 四冲程发动机
    • US06199532B1
    • 2001-03-13
    • US09411242
    • 1999-10-04
    • Jürgen HäberleinGeorg Becker
    • Jürgen HäberleinGeorg Becker
    • F01M100
    • F02B33/26F01M1/04F01M9/10F02B33/04
    • The invention is directed to a mixture lubricated four-stroke engine having a cylinder and a piston which delimits a combustion chamber in the cylinder. The piston drives a crankshaft via a connecting rod with the crankshaft being journalled in a crankcase. An inlet valve and an outlet valve are provided for the combustion chamber and have respective valve members which are actuated via a valve drive assembly driven by the crankshaft. The inlet valve is connected via an intake channel to a mixture-preparation device. The valve housing is, on the one hand, connected to the crankcase and, on the other hand, is flow connected via a connecting channel to the intake channel. The crankcase is connected to the mixture-preparation device exclusively via the valve housing, the connecting channel and the intake channel. In this way, an adequate lubrication and excellent acceleration performance is ensured with a constructively simple configuration and excellent exhaust-gas quality.
    • 本发明涉及一种混合润滑的四冲程发动机,其具有限定气缸中的燃烧室的气缸和活塞。 活塞通过连杆驱动曲轴,曲轴被安装在曲轴箱中。 为燃烧室提供入口阀和出口阀,并具有通过由曲轴驱动的阀驱动组件致动的各个阀构件。 入口阀通过进气通道连接到混合物制备装置。 一方面,阀壳体连接到曲轴箱,另一方面通过连接通道流体连接到进气通道。 曲轴箱仅通过阀壳体,连接通道和进气通道连接到混合物制备装置。 以这种方式,通过构造简单的结构和优异的废气质量,确保了充分的润滑和优异的加速性能。
    • 4. 发明授权
    • Internal combustion engine for a portable handheld work apparatus
    • 用于便携式手持式工作装置的内燃机
    • US6152098A
    • 2000-11-28
    • US229971
    • 1999-01-14
    • Georg BeckerJurgen HaberleinMarkus Husges
    • Georg BeckerJurgen HaberleinMarkus Husges
    • F01L1/02F01L1/18F02B1/04F02B63/02F02B75/02F01M1/00
    • F01L1/02F01L1/026F01L1/18F02B63/02F02B1/04F02B2075/027F02B2275/20
    • The invention is directed to an internal combustion engine for a portable handheld work apparatus. The engine includes a cylinder having a combustion chamber and a piston rotates a crankshaft via a connecting rod. The crankshaft is mounted in a crankcase and is connected to a cam drive. The cam drive drives a valve control for an inlet valve and an outlet valve. The inlet valve controls an overflow channel which leads from the crankcase to the combustion chamber, and the outlet valve controls an outlet channel branching away from the combustion chamber. Furthermore, an intake channel, which opens into the crankcase, and a housing, which is separate from the crankcase, are provided for the cam drive. In order to provide a lubrication for the cam drive which is independent of position, the cam drive is configured as a gear wheel drive and an oil sump is provided in the housing of the cam drive. At least one gear wheel of the cam drive is so arranged that it dips at least partially into the oil sump and pumps oil for lubricating the movable parts of the engine.
    • 本发明涉及用于便携式手持式工作装置的内燃机。 发动机包括具有燃烧室的气缸,活塞通过连杆旋转曲轴。 曲轴安装在曲轴箱中并连接到凸轮驱动器。 凸轮驱动器驱动进气阀和出口阀的阀门控制。 入口阀控制从曲轴箱引导到燃烧室的溢流通道,并且出口阀控制从燃烧室分支的出口通道。 此外,为凸轮驱动器设置有进入曲轴箱的进气通道和与曲轴箱分离的壳体。 为了提供与位置无关的凸轮驱动器的润滑,凸轮驱动器构造为齿轮驱动器,并且在凸轮驱动器的壳体中设置有油底壳。 凸轮驱动器的至少一个齿轮被布置成使得其至少部分地进入油底壳并且泵送油以润滑发动机的可移动部件。
    • 7. 发明授权
    • Hand-guided working tool such as a trimmer, motor chainsaw, or cutter
with an internal combustion engine with an air intake blower
    • 手动工作工具,如修边机,电动锯或切割机,带有进气鼓风机的内燃机
    • US06062177A
    • 2000-05-16
    • US855729
    • 1997-05-09
    • Georg BeckerHans-Georg WiedmannDieter Angstenberger
    • Georg BeckerHans-Georg WiedmannDieter Angstenberger
    • F01P5/06F02B63/02F02B75/02F01P7/00
    • F01P5/06F02B63/02F02B2075/025
    • A hand-guided working tool has a housing and an internal combustion engine arranged in the housing. The internal combustion engine has a cylinder, a crankshaft, and a crankcase enclosing the crankshaft. An air filter box including an air filter element is connected to the internal combustion engine. A tool is driven by the crankshaft. The housing has a blower chamber with a cooling air inlet, at least one combustion air inlet, and a combustion air outlet. A combustion air channel connects the combustion air outlet to the air filter box. A blower, driven by the crank shaft and arranged in the blower chamber, is provided for taking in cooling air through the cooling air inlet and supplying the cooling air to the internal combustion engine and for taking in combustion air through the at least one combustion air inlet and guiding the combustion air through the combustion air outlet, the combustion air channel, and the air filter box to the internal combustion engine. The blower includes a first blower wheel for conveying cooling air and a second blower wheel for conveying combustion air.
    • 手动工作工具具有设置在壳体中的壳体和内燃机。 内燃机具有圆筒,曲轴和包围曲轴的曲轴箱。 包括空气过滤器元件的空气过滤器盒连接到内燃机。 工具由曲轴驱动。 壳体具有带有冷却空气入口的鼓风机室,至少一个燃烧空气入口和燃烧空气出口。 燃烧空气通道将燃烧空气出口连接到空气过滤器箱。 由曲柄轴驱动并设置在鼓风机室中的鼓风机用于通过冷却空气入口吸入冷却空气,并将冷却空气供应到内燃机,并通过至少一个燃烧空气吸入燃烧空气 通过燃烧空气出口,燃烧空气通道和空气过滤器箱将燃烧空气引入并引导到内燃机。 鼓风机包括用于输送冷却空气的第一鼓风机轮和用于输送燃烧空气的第二鼓风机轮。
    • 9. 发明授权
    • Portable handheld work apparatus having a four-stroke engine
    • 具有四冲程发动机的便携式手持式工作装置
    • US06167874A
    • 2001-01-02
    • US09456994
    • 1999-12-07
    • Georg BeckerJ{umlaut over (u)}rgen H{umlaut over (a)}berlein
    • Georg BeckerJ{umlaut over (u)}rgen H{umlaut over (a)}berlein
    • F02B2506
    • F01M9/10F01M1/04F02B63/02F02B2075/025F02B2075/027
    • The invention relates to a motor-driven chain saw having an internal combustion engine for driving the saw chain of the chain saw. The engine is mounted in the housing of the chain saw and includes a cylinder and a combustion chamber formed in the cylinder. The combustion chamber is delimited by a piston and the piston drives a crankshaft via a connecting rod. The crankshaft is rotatably journalled in a crankcase. An inlet and an outlet are provided for gas exchange in the combustion chamber and the inlet is connected via an intake channel to a mixture preparation device. A stroke/bore ratio of less than 0.8 is used in order to provide an engine of reduced structural elevation which is useable in all positions. The inlet and outlet are controlled via valves having a valve drive charged with the air/fuel lubricating oil mixture supplied via the mixture preparation device.
    • 本发明涉及一种具有驱动链锯锯链的内燃机的电动链锯。 发动机安装在链锯的壳体中,并且包括形成在气缸中的气缸和燃烧室。 燃烧室由活塞限定,活塞通过连杆驱动曲轴。 曲轴可旋转地轴颈安装在曲轴箱中。 提供入口和出口用于燃烧室中的气体交换,并且入口通过进气通道连接到混合物制备装置。 使用小于0.8的行程/孔径比来提供可在所有位置使用的结构升高的发动机。 入口和出口通过具有带有通过混合物制备装置供应的空气/燃料润滑油混合物的阀驱动器的阀来控制。
    • 10. 发明授权
    • Reciprocating piston engine
    • 往复活塞发动机
    • US6109251A
    • 2000-08-29
    • US358477
    • 1999-07-21
    • Jurgen HaberleinGeorg Becker
    • Jurgen HaberleinGeorg Becker
    • F01M13/00F01M13/02F01M13/04
    • F01M13/02F01M13/0011F01M13/04F01M2013/0422
    • The invention relates to a reciprocating piston engine having a piston which moves upwardly and downwardly and which rotatably drives a crankshaft and components connected therewith via a connecting rod. The crankshaft is journalled in the crankcase which has a crankcase venting system to compensate pressure in the interior space of the crankcase. The venting system includes a venting line leading away from the interior space of the crankcase. The venting line is configured as a channel in a rotating component in order to achieve a functionally reliable pressure compensation with high separating action. The channel defines a connection between the interior space of the crankcase and the atmosphere. A valve is mounted in this channel and this valve becomes unblocked under the action of centrifugal force and seals the crankcase with respect to fluids when the engine is at standstill.
    • 本发明涉及一种往复式活塞发动机,其具有向上和向下运动的活塞,并且可旋转地驱动曲轴和经由连接杆与其连接的部件。 曲轴被轴颈安装在具有曲轴箱排气系统的曲轴箱中,以补偿曲轴箱内部空间中的压力。 排气系统包括一个远离曲轴箱内部空间的排气管。 通气线被配置为旋转部件中的通道,以便实现具有高分离作用的功能可靠的压力补偿。 通道限定了曲轴箱的内部空间与大气之间的连接。 阀门安装在该通道中,该阀在离心力的作用下变得不堵塞,并且当发动机停止时相对于流体密封曲轴箱。