Method for Determining the Crankshaft Position of a Rotating Crankshaft of an Internal Combustion Engine
    11.
    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。

    Method for determining the crankshaft position of a rotating crankshaft of an internal combustion engine
    12.
    发明授权
    Method for determining the crankshaft position of a rotating crankshaft of an internal combustion engine 有权
    用于确定内燃机的旋转曲轴的曲轴位置的方法

    公开(公告)号:US07621176B2

    公开(公告)日:2009-11-24

    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。

    Method for operating an internal combustion engine
    13.
    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:US07814888B2

    公开(公告)日:2010-10-19

    申请号:US12149176

    申请日:2008-04-28

    IPC分类号: F02M51/00

    摘要: A method for operating an internal combustion engine having a fuel system which feeds fuel at a given pressure to a metering valve provides that a controller defines the opening time and the closing time of the metering valve and correspondingly actuates the metering valve so that the metering valve opens and closes at the defined times. In order to permit precise metering of fuel even in high-speed internal combustion engines there is provision for the controller to define at least one of the times for the opening or closing of the metering valve while taking into account the counterpressure actually prevailing at the outlet opening of the metering valve.

    摘要翻译: 一种用于操作具有将给定压力的燃料供给到计量阀的燃料系统的内燃机的方法,其特征在于,控制器限定计量阀的打开时间和关闭时间并相应地致动计量阀,使得计量阀 在规定的时间内打开和关闭。 为了即使在高速内燃机中也允许精确计量燃料,控制器规定了打开或关闭计量阀的时间中的至少一个,同时考虑到出口处实际上的反压力 打开计量阀。

    Vacuum arrangement for a ground area
    14.
    发明授权
    Vacuum arrangement for a ground area 失效
    地面区域的真空布置

    公开(公告)号:US07441304B2

    公开(公告)日:2008-10-28

    申请号:US10908412

    申请日:2005-05-11

    IPC分类号: A47L5/14

    CPC分类号: A01D51/002

    摘要: A vacuum arrangement has a vacuum pipe having a vacuum opening facing a ground surface and adapted to pick up from the ground surface a material to be collected. The vacuum pipe conveys the material to be collected into a collecting container connected to the vacuum pipe. The vacuum pipe has a working area located within the area of the vacuum opening. At least one blower nozzle having a blower air exit is arranged such that a blower air flow exiting from the blower air exit is directed onto the ground surface into the working area. The blower air exit and the vacuum opening are positioned at a spacing relative to one another.

    摘要翻译: 真空装置具有真空管,该真空管具有面向地面的真空开口,并适于从地面拾取待收集的材料。 真空管将要收集的材料输送到与真空管连接的收集容器中。 真空管具有位于真空开口区域内的工作区域。 具有鼓风机空气出口的至少一个鼓风机喷嘴被布置成使得从鼓风机空气出口排出的鼓风机气流被引导到地面上进入工作区域。 鼓风机空气出口和真空开口以相对于彼此的间隔定位。

    Water Supply for a Hand-Held Power Tool
    15.
    发明申请
    Water Supply for a Hand-Held Power Tool 有权
    手持式电动工具的供水

    公开(公告)号:US20070240313A1

    公开(公告)日:2007-10-18

    申请号:US11306878

    申请日:2006-01-13

    IPC分类号: B25F3/00

    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。

    Manually guided apparatus for collecting fruits or nuts

    公开(公告)号:US20060180513A1

    公开(公告)日:2006-08-17

    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.

    Vacuum Arrangement for a Ground Area
    19.
    发明申请
    Vacuum Arrangement for a Ground Area 失效
    地面真空布置

    公开(公告)号:US20050257510A1

    公开(公告)日:2005-11-24

    申请号:US10908412

    申请日:2005-05-11

    IPC分类号: A01D51/00 A01D61/00

    CPC分类号: A01D51/002

    摘要: A vacuum arrangement has a vacuum pipe having a vacuum opening facing a ground surface and adapted to pick up from the ground surface a material to be collected. The vacuum pipe conveys the material to be collected into a collecting container connected to the vacuum pipe. The vacuum pipe has a working area located within the area of the vacuum opening. At least one blower nozzle having a blower air exit is arranged such that a blower air flow exiting from the blower air exit is directed onto the ground surface into the working area. The blower air exit and the vacuum opening are positioned at a spacing relative to one another.

    摘要翻译: 真空装置具有真空管,该真空管具有面向地面的真空开口,并适于从地面拾取待收集的材料。 真空管将要收集的材料输送到与真空管连接的收集容器中。 真空管具有位于真空开口区域内的工作区域。 具有鼓风机空气出口的至少一个鼓风机喷嘴被布置成使得从鼓风机空气出口排出的鼓风机气流被引导到地面上进入工作区域。 鼓风机空气出口和真空开口以相对于彼此的间隔定位。

    Method and Device for Priming a Fuel Metering Device
    20.
    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。