Ignition device for an internal combustion engine and method for its operation
    1.
    发明授权
    Ignition device for an internal combustion engine and method for its operation 有权
    内燃机点火装置及其运行方法

    公开(公告)号:US07552714B2

    公开(公告)日:2009-06-30

    申请号:US11838606

    申请日:2007-08-14

    IPC分类号: F02P5/06 F02P5/00

    CPC分类号: F02P1/04 F02P7/0775

    摘要: An ignition device for a motor unit with an internal combustion engine provided with a piston, a combustion chamber with a spark plug, a crankshaft driven by the piston, an intake port supplying combustion air to the combustion chamber, an exhaust for removing combustion gases from the combustion chamber, a signal generator driven by the crankshaft and emitting for one crankshaft revolution an alternating voltage signal, has an ignition unit that triggers a spark at the spark plug at a preselectable timing. The ignition unit is a module separate from the motor unit. An alternating voltage signal generated by the signal generator is supplied to the ignition unit as an information signal sufficient for operating the internal combustion engine. The alternating voltage signal is supplied to a first unit for energy processing and to a second unit for processing information for control of the internal combustion engine.

    摘要翻译: 一种用于具有内燃机的电动机单元的点火装置,其具有活塞,具有火花塞的燃烧室,由活塞驱动的曲轴,向燃烧室供应燃烧空气的进气口,用于从燃烧室排出燃烧气体的排气 燃烧室,由曲轴驱动并发出一个曲轴转速的信号发生器的交流电压信号,具有在可选择的时刻触发火花塞火花的点火单元。 点火单元是与电机单元分开的模块。 由信号发生器产生的交流电压信号作为足以操作内燃机的信息信号提供给点火单元。 交流电压信号被提供给用于能量处理的第一单元和用于处理内燃机控制信息的第二单元。

    Hand-guided work apparatus
    2.
    发明授权
    Hand-guided work apparatus 有权
    手动工作装置

    公开(公告)号:US08668025B2

    公开(公告)日:2014-03-11

    申请号:US13087025

    申请日:2011-04-14

    IPC分类号: B25B27/22

    摘要: A hand-guided work apparatus includes a combustion engine to drive a work tool. The combustion engine includes a crankcase (14) in which a crankshaft (16) is rotatably mounted about a rotational axis (44). A pressure sensor (27) and a temperature sensor (26) are arranged on the crankcase (14). The pressure sensor (27) and the temperature sensor (26) are arranged in a common sensor housing (31). In the typical put-down position (8) of the work apparatus, the pressure sensor (27) and the temperature sensor (26) are arranged below a plane (45) which is parallel to the horizontal storage surface (7) and contains the rotational axis (44) of the crankshaft (16). A connecting channel (25) is formed in the sensor housing (31). The connecting channel (25) connects the pressure sensor (27) to the crankcase interior (20) and the base (35) of the connecting channel (25) slopes down toward the crankcase interior (20) in the typical put-down position (8) of the work apparatus.

    摘要翻译: 手动作业装置包括驱动作业工具的内燃机。 内燃机包括曲轴箱(14),曲轴(16)围绕旋转轴线(44)可旋转地安装在该曲轴箱中。 压力传感器(27)和温度传感器(26)布置在曲轴箱(14)上。 压力传感器(27)和温度传感器(26)布置在公共传感器壳体(31)中。 在工作装置的典型的放下位置(8)中,压力传感器(27)和温度传感器(26)布置在与水平存储表面(7)平行的平面(45)的下方,并且包含 曲轴(16)的旋转轴线(44)。 连接通道(25)形成在传感器壳体(31)中。 连接通道(25)将压力传感器(27)连接到曲轴箱内部(20),并且连接通道(25)的基座(35)在典型的放下位置(...)向着曲轴箱内部(20) 8)工作装置。

    Method for operating an internal combustion engine
    3.
    发明授权
    Method for operating an internal combustion engine 有权
    操作内燃机的方法

    公开(公告)号:US08322326B2

    公开(公告)日:2012-12-04

    申请号:US12318640

    申请日:2009-01-05

    IPC分类号: F02P9/00 F02P5/15 G06F19/00

    摘要: An internal combustion engine (8) has an ignition device, a device for supplying fuel and a device for detecting the rpm of the engine (8). The engine (8) includes a permissible limit rpm (ng) and a control range (A) of the rpm (n) above the limit rpm (ng). A method for operating the engine (8) provides that the rpm of the engine (8) is limited in the control range (A) because of suppression of the ignition in individual engine cycles wherein the rpm (n) lies above a control rpm (na) lying in the control range (A). In the control range, and to improve the exhaust-gas values, the noncombustion engine cycle ratio (NECR) is adjusted. The NECR indicates the ratio of the number of engine cycles wherein the ignition is suppressed to the total number of ignitions.

    摘要翻译: 内燃机(8)具有点火装置,燃料供给装置和检测发动机(8)的转速的装置。 发动机(8)包括容许极限转速(ng)和高于极限转速(ng)的转速(n)的控制范围(A)。 用于操作发动机(8)的方法提供了在控制范围(A)中限制发动机(8)的转速,这是因为在各个发动机循环中抑制点火,其中rpm(n)位于控制转速以上 na)位于控制范围(A)。 在控制范围内,为了提高排气值,调整了无燃机发动机的循环比(NECR)。 NECR表示点火被抑制到点火总数的发动机循环次数的比率。

    Method for Determining the Crankshaft Position of a Rotating Crankshaft of an Internal Combustion Engine
    6.
    发明申请
    Method for Determining the Crankshaft Position of a Rotating Crankshaft of an Internal Combustion Engine 有权
    用于确定内燃机旋转曲轴的曲轴位置的方法

    公开(公告)号:US20080041144A1

    公开(公告)日:2008-02-21

    申请号:US11838233

    申请日:2007-08-14

    IPC分类号: G01L3/26

    摘要: The absolute crankshaft angle of an internal combustion engine of a hand-held power tool is to be determined. The engine has a cylinder with a combustion chamber delimited by a piston that drives a crankshaft in a crankcase. The crankcase is connected by a transfer passage to the combustion chamber and the transfer port of the transfer passage is piston-controlled. Ignition takes place at an adjusted crankshaft angle. The energy supply unit of the engine is driven by the crankshaft and provides electric energy for ignition. The crankshaft angle is determined in that a signal generator is provided as an energy supply unit and generates an alternating voltage signal caused by a crankshaft revolution. An operating pressure signal of the engine is detected by a pressure sensor. The output signals of the pressure sensor and of the signal generator are linked with one another for determining the absolute crankshaft angle.

    摘要翻译: 要确定手持式电动工具的内燃机的绝对曲轴角度。 发动机具有气缸,其具有由驱动曲轴箱中的曲轴的活塞限定的燃烧室。 曲轴箱通过传送通道连接到燃烧室,传送通道的传送口由活塞控制。 点火发生在调整后的曲轴角度。 发动机的能量供给单元由曲轴驱动,并提供点火用电能。 确定曲轴角度是指信号发生器被设置为能量供应单元并且产生由曲轴转动引起的交流电压信号。 发动机的工作压力信号由压力传感器检测。 压力传感器和信号发生器的输出信号彼此相连以确定绝对的曲轴角度。

    Water supply for a hand-held power tool
    7.
    发明授权
    Water supply for a hand-held power tool 有权
    手持式电动工具供水

    公开(公告)号:US07713111B2

    公开(公告)日:2010-05-11

    申请号:US11306878

    申请日:2006-01-13

    IPC分类号: B24B55/02 B24B23/00

    摘要: A device for supplying water to a cutting wheel of a hand-held cut-off machine has a water-conducting line and a valve arrangement arranged in the line. The valve arrangement has a shut-off valve for controlling the water flow flowing through the line. The shut-off valve is actuated as a function of an operating signal of the cut-off machine such that in operation of the cut-off machine the water flow through the line is released by the shut-off valve. The shut-off valve interrupts the water flow through the line when the operating signal is absent.

    摘要翻译: 用于向手持式切断机的切割轮供水的装置具有配置在该管路中的导水管和阀装置。 阀装置具有用于控制流过管线的水流的截止阀。 截止阀根据切断机的操作信号被致动,使得在切断机的操作中,流过管线的水被截止阀释放。 当操作信号不存在时,截止阀会中断通过管路的水流。

    Method and Device for Priming a Fuel Metering Device
    8.
    发明申请
    Method and Device for Priming a Fuel Metering Device 有权
    用于启动燃料计量装置的方法和装置

    公开(公告)号:US20100101523A1

    公开(公告)日:2010-04-29

    申请号:US12576468

    申请日:2009-10-09

    IPC分类号: F02M1/16

    摘要: In a method for priming a fuel metering device for an internal combustion engine with a piston arranged in a combustion chamber and driving a crankshaft that is rotatably supported in a crankcase, with a fuel pump that conveys fuel from a fuel tank to a metering valve that opens into a metering chamber at alternating operating pressure, and with a control unit that calculates and controls timing for the metering valve for metering a fuel quantity corresponding to a load situation of the internal combustion engine, the metering valve is kept open, independent of the calculated timing for the metering valve, for a priming duration in a starting phase of the internal combustion engine when the alternating operating pressure of the metering chamber at the mouth of the metering valve is negative and when a fuel system pressure in the fuel metering device is below a target pressure.

    摘要翻译: 在一种用于启动内燃机的燃料计量装置的方法中,其具有布置在燃烧室中的活塞并驱动可旋转地支撑在曲轴箱中的曲轴,燃料泵将燃料从燃料箱传送到计量阀, 在交替的操作压力下打开计量室,并且控制单元计算和控制计量阀的计时用于计量对应于内燃机的负载情况的燃料量的计时阀,计量阀保持打开,独立于 当计量阀的口处的计量室的交替操作压力为负时,并且当燃料计量装置中的燃料系统压力是在燃料计量装置的燃料系统压力时,计量阀的计时时间为内燃机起动阶段的起动持续时间 低于目标压力。

    Manually guided apparatus for collecting fruits or nuts
    9.
    发明授权
    Manually guided apparatus for collecting fruits or nuts 有权
    用于收集水果或坚果的手动导引装置

    公开(公告)号:US07591378B2

    公开(公告)日:2009-09-22

    申请号:US11349698

    申请日:2006-02-08

    IPC分类号: B07B1/49

    CPC分类号: A01D51/002

    摘要: A manually guided apparatus for collecting objects, especially fruits and nuts, including a pick-up drum rotatably mounted in the drum chamber of a housing. The drum is disposed approximately transverse to the direction of operation, and is rotationally driven by a drive unit. The housing has a wall section extending over the width of the drum approximately at the level of the outer diameter thereof. A ground support is disposed in the region of ends of the drum. A collection channel provides communication for picked-up objects between the drum chamber and a collection receptacle for receiving the objects. The wall section of the housing and the drum cooperate with one another such that objects are accelerated along the wall section toward the collection channel and are ejected out of the drum chamber along a trajectory into the collection receptacle. A handle is operatively connected to the housing for moving the housing in the direction of operation.

    摘要翻译: 用于收集物体,特别是水果和坚果的手动引导装置,包括可旋转地安装在壳体的鼓室中的拾取鼓。 滚筒大致横向于操作方向设置,并由驱动单元旋转驱动。 壳体具有在鼓的宽度上大致在其外径的水平面上延伸的壁部分。 地面支架设置在滚筒的端部区域。 收集通道提供在鼓室和用于接收物体的收集容器之间的拾取物体的通信。 壳体和鼓的壁部分彼此协作,使得物体沿着壁部分朝向收集通道加速并且沿着轨迹被排出鼓室以进入收集容器。 手柄可操作地连接到壳体,用于沿着操作方向移动壳体。

    Internal combustion engine and method for operating an internal combustion engine
    10.
    发明授权
    Internal combustion engine and method for operating an internal combustion engine 有权
    内燃机和操作内燃机的方法

    公开(公告)号:US07536983B2

    公开(公告)日:2009-05-26

    申请号:US11623763

    申请日:2007-01-17

    IPC分类号: F02B25/00

    摘要: An internal combustion engine has a cylinder with a combustion chamber delimited by a reciprocating piston that drives a crankshaft rotatably supported in a crankcase. The internal combustion engine has an intake passage, an exhaust connected to the combustion chamber, a device supplying fuel, and a control device controlling at least one operating parameter of the internal combustion engine. The internal combustion engine is operated in that a pressure is measured in operation of the internal combustion engine, an adjustable value for at least one operating parameter of the internal combustion engine is deteremined based on the measured pressure, and the determined adjustable value is set for optimized running of the engine.

    摘要翻译: 内燃机具有气缸,其具有由往复活塞限定的燃烧室,所述往复活塞驱动曲轴可旋转地支撑在曲轴箱中。 内燃机具有进气通道,连接到燃烧室的排气口,供给燃料的装置以及控制内燃机的至少一个运行参数的控制装置。 内燃机的操作是在内燃机的运行中测量压力,基于测量的压力确定内燃机的至少一个操作参数的可调整值,并且将确定的可调整值设置为 优化运行的发动机。