公开(公告)号：US08947024B2

公开(公告)日：2015-02-03

申请号：US13523701

申请日：2012-06-14

申请人： Rene Wichert ,  Gernot Liebhard ,  Rudolf Saemann

发明人： Rene Wichert ,  Gernot Liebhard ,  Rudolf Saemann

IPC分类号： H02P1/00 ,  H02P6/00 ,  H02P27/06

CPC分类号： H02P6/00

摘要： An electric motor includes an arrangement of windings provided for driving the rotor, with the windings being connected to an energy source to develop torque which drives the rotor. The electric circuits of corresponding ones of the windings each have a potential point, the voltage (UL, UG) of which is supplied to an evaluation unit via an adaptation device. The adaptation device can be operated in two switchable adaptation stages and is connected to a drive circuit that operates in dependence upon the rotational position of the rotor. The drive circuit switches the adaptation device into the first stage having a high sensitivity or into the second stage having a low sensitivity in dependence upon the rotational position of the rotor of the motor, such that the number of required analog inputs at a microprocessor in the evaluation unit can be kept low.

摘要翻译： 电动机包括设置用于驱动转子的绕组的布置，绕组连接到能量源以产生驱动转子的转矩。 绕组中相应的绕组的电路各有一个电势点，其电压（UL，UG）通过自适应装置提供给评估单元。 适配装置可以在两个可切换适应级中操作，并且连接到根据转子的旋转位置而操作的驱动电路。 驱动电路根据电动机的转子的旋转位置将适配装置切换到具有高灵敏度的第一级或具有低灵敏度的第二级，使得在微处理器中的所需模拟输入的数量 评估单位可以保持较低。

公开(公告)号：US08573323B2

公开(公告)日：2013-11-05

申请号：US13074079

申请日：2011-03-29

申请人： Matthias Müller ,  Heiko Roβkamp ,  Gernot Liebhard ,  Michael Renz

发明人： Matthias Müller ,  Heiko Roβkamp ,  Gernot Liebhard ,  Michael Renz

IPC分类号： H02K7/14

CPC分类号： A01D34/902 ,  A01G3/06 ,  B25F5/008 ,  B25F5/02

摘要： A hand-held power tool has a tool member and a motor drivingly connected to the tool member, wherein the motor is arranged in a motor housing. A battery for driving the tool member is provided. A guide shaft has arranged on its first end the battery and on its second end the motor housing and the tool member. A rotatably power output part arranged on the motor housing is drivingly connected to the motor. The power output part supports the tool member. Cooling air is sucked through the guide shaft into the motor housing. Between the power output part and the motor housing an annular air exit gap is formed through which the cooling air exits the motor housing. At least one guide vane that projects into the annular air exit gap is provided.

摘要翻译： 手持电动工具具有工具构件和驱动地连接到工具构件的电动机，其中电动机布置在电动机壳体中。 提供用于驱动工具构件的电池。 引导轴在其第一端上布置有电池，并且在其第二端上布置有电动机壳体和工具构件。 布置在马达壳体上的可旋转动力输出部分驱动地连接到马达。 电源输出部分支持工具部件。 冷却空气通过导向轴吸入电动机壳体。 在动力输出部分和马达壳体之间形成环形空气出口间隙，冷却空气通过该空气出口间隙离开马达壳体。 提供突出到环形空气出口间隙中的至少一个导向叶片。

公开(公告)号：US20110241457A1

公开(公告)日：2011-10-06

申请号：US13074079

申请日：2011-03-29

申请人： Matthias Müller ,  Heiko Roßkamp ,  Gernot Liebhard ,  Michael Renz

发明人： Matthias Müller ,  Heiko Roßkamp ,  Gernot Liebhard ,  Michael Renz

IPC分类号： H02K7/14

CPC分类号： A01D34/902 ,  A01G3/06 ,  B25F5/008 ,  B25F5/02

摘要： A hand-held power tool has a tool member and a motor drivingly connected to the tool member, wherein the motor is arranged in a motor housing. A battery for driving the tool member is provided. A guide shaft has arranged on its first end the battery and on its second end the motor housing and the tool member. A rotatably power output part arranged on the motor housing is drivingly connected to the motor. The power output part supports the tool member. Cooling air is sucked through the guide shaft into the motor housing. Between the power output part and the motor housing an annular air exit gap is formed through which the cooling air exits the motor housing. At least one guide vane that projects into the annular air exit gap is provided.

摘要翻译： 手持电动工具具有工具构件和驱动地连接到工具构件的电动机，其中电动机布置在电动机壳体中。 提供用于驱动工具构件的电池。 引导轴在其第一端上布置有电池，并且在其第二端上布置有电动机壳体和工具构件。 布置在马达壳体上的可旋转动力输出部分驱动地连接到马达。 电源输出部分支持工具部件。 冷却空气通过导向轴吸入电动机壳体。 在动力输出部分和马达壳体之间形成环形空气出口间隙，冷却空气通过该空气出口间隙离开马达壳体。 提供突出到环形空气出口间隙中的至少一个导向叶片。

公开(公告)号：US20110094762A1

公开(公告)日：2011-04-28

申请号：US12690363

申请日：2010-01-20

申请人： Gernot Liebhard

发明人： Gernot Liebhard

IPC分类号： B23Q17/00 ,  H02J7/04 ,  G01R31/36

CPC分类号： H04Q9/00 ,  G01R31/3658 ,  H04Q2209/30

摘要： An electric power tool has a drive motor and an electronic control unit. Power is supplied by a battery pack with several individual cells and a monitoring circuit for the operating parameters of the cells. A communication line connects electronic control unit and monitoring circuit. Digital data are exchanged through the communication line between electronic control unit and monitoring circuit. A controller controls data traffic through sending and receiving units. The communication voltage is higher than a permissible input voltage level of the controller and lower than a maximum battery pack voltage. The receiving unit, as a filter, converts a received first signal level that is lower than a first voltage to a LOW signal and lowers a received second signal level that is higher than a second voltage to the input voltage level of the controller and relays the second signal level as a HIGH signal.

摘要翻译： 电动工具具有驱动电机和电子控制单元。 电源由具有几个单独电池的电池组提供，并且用于电池的工作参数的监控电路。 通信线路连接电子控制单元和监控电路。 数字数据通过电子控制单元和监控电路之间的通信线进行交换。 控制器通过发送和接收单元控制数据流量。 通信电压高于控制器允许的输入电压电平，低于最大电池组电压。 作为滤波器的接收单元将接收到的低于第一电压的第一信号电平转换为低电平信号，并将接收到的高于第二电压的第二信号电平降低到控制器的输入电压电平，并将该继电器 第二信号电平作为高电平信号。

公开(公告)号：US08353362B2

公开(公告)日：2013-01-15

申请号：US12709658

申请日：2010-02-22

申请人： Gernot Liebhard ,  Ante Hamersmit

发明人： Gernot Liebhard ,  Ante Hamersmit

IPC分类号： B25F5/00

CPC分类号： B25F5/001 ,  A01G3/053 ,  H01H2300/026

摘要： A hand-held power tool has a device housing and at least one grip disposed on the device housing. An electric drive motor is arranged in the device housing for operating a working tool. A battery pack provides electric energy for operating the electric drive motor. An electronic control unit is connected to the electric drive motor and the battery pack. An operating element disposed on the grip controls the electric drive motor. An electric actuator is acted upon by the operating element and the output signal of the electric actuator is supplied to the electronic control unit. Electric energy is applied to the electric drive motor by the electronic control unit as a function of a position of the operating element, wherein in a first dead travel range of the operating element that adjoins an inoperative position of the operating element the supplied electric energy is zero.

摘要翻译： 手持式电动工具具有装置壳体和设置在装置壳体上的至少一个把手。 电动驱动马达布置在装置壳体中，用于操作工作工具。 电池组提供用于操作电动马达的电能。 电子控制单元连接到电驱动电动机和电池组。 设置在把手上的操作元件控制电动马达。 电动执行器由操作元件作用，并且电致动器的输出信号被提供给电子控制单元。 根据操作元件的位置，通过电子控制单元将电能施加到电动驱动马达上，其中在操作元件的第一死区行进范围内，邻接操作元件的不工作位置，所提供的电能为 零。

公开(公告)号：US20120066916A1

公开(公告)日：2012-03-22

申请号：US13230298

申请日：2011-09-12

申请人： Georg Heinzelmann ,  Gernot Liebhard ,  Dirk Förstner

发明人： Georg Heinzelmann ,  Gernot Liebhard ,  Dirk Förstner

IPC分类号： B27B17/00

CPC分类号： B25F5/008 ,  B23Q11/14

摘要： A handheld work apparatus has an electric drive motor (24) and a power supply unit for the drive motor (24). The power supply unit is arranged in a receptacle (7) of a housing (2) of the work apparatus. The work apparatus has an electronic control (17) and a blower wheel (29) for conveying cooling air. The blower wheel (29) is driven by a drive motor (24). The housing (2) has at least one air inlet opening (10) for cooling air via which the blower wheel (29) draws in a first cooling air flow (22) during operation. A second cooling air flow (23) is drawn into the housing (2) via the receptacle (7).

摘要翻译： 手持式作业装置具有电驱动马达（24）和用于驱动马达（24）的电源单元。 电源单元布置在工作设备的壳体（2）的插座（7）中。 工作装置具有用于输送冷却空气的电子控制装置（17）和送风轮（29）。 鼓风机轮（29）由驱动马达（24）驱动。 壳体（2）具有用于冷却空气的至少一个空气入口（10），在操作期间鼓风机叶轮（29）经由该吸入口吸入第一冷却空气流（22）。 第二冷却空气流（23）经由容器（7）被吸入壳体（2）中。

公开(公告)号：US20100218966A1

公开(公告)日：2010-09-02

申请号：US12709658

申请日：2010-02-22

申请人： Gernot Liebhard ,  Ante Hamersmit

发明人： Gernot Liebhard ,  Ante Hamersmit

IPC分类号： B25F5/00 ,  H02K7/14 ,  H02P7/292 ,  H02P6/08 ,  F16P3/20

CPC分类号： B25F5/001 ,  A01G3/053 ,  H01H2300/026

摘要： A hand-held power tool has a device housing and at least one grip disposed on the device housing. An electric drive motor is arranged in the device housing for operating a working tool. A battery pack provides electric energy for operating the electric drive motor. An electronic control unit is connected to the electric drive motor and the battery pack. An operating element disposed on the grip controls the electric drive motor. An electric actuator is acted upon by the operating element and the output signal of the electric actuator is supplied to the electronic control unit. Electric energy is applied to the electric drive motor by the electronic control unit as a function of a position of the operating element, wherein in a first dead travel range of the operating element that adjoins an inoperative position of the operating element the supplied electric energy is zero.

摘要翻译： 手持式电动工具具有装置壳体和设置在装置壳体上的至少一个把手。 电动驱动马达布置在装置壳体中，用于操作工作工具。 电池组提供用于操作电动马达的电能。 电子控制单元连接到电驱动电动机和电池组。 设置在把手上的操作元件控制电动马达。 电动执行器由操作元件作用，并且电致动器的输出信号被提供给电子控制单元。 根据操作元件的位置，通过电子控制单元将电能施加到电动驱动马达上，其中在操作元件的第一死区行进范围内，邻接操作元件的不工作位置，所提供的电能为 零。

公开(公告)号：US08796972B2

公开(公告)日：2014-08-05

申请号：US13438478

申请日：2012-04-03

申请人： René Wichert ,  Gernot Liebhard

发明人： René Wichert ,  Gernot Liebhard

IPC分类号： H02P27/00

CPC分类号： H02P29/032 ,  G01R31/024 ,  H02P29/0241

摘要： The invention relates to a method for starting an electronic drive circuit for the windings of an electric motor. A control unit, which is connected to a voltage source, is provided as well as a capacitor connected via a system switch element to the connecting terminals of the voltage source. The capacitor is connected across the input terminals parallel to the drive circuit. An operating circuit controls the system switch element. In order to start the motor, the operating circuit closes the system switch element and charges the capacitor and after the charging of the capacitor, opens the system switch element again. A test step is then started by the control unit, the drive circuit being supplied exclusively by the capacitor voltage (UC) during the test step.

摘要翻译： 本发明涉及一种启动用于电动机绕组的电子驱动电路的方法。 提供连接到电压源的控制单元以及经由系统开关元件连接到电压源的连接端子的电容器。 电容器连接在平行于驱动电路的输入端上。 操作电路控制系统开关元件。 为了启动电机，操作电路关闭系统开关元件并对电容充电，并在电容充电后再次打开系统开关元件。 然后由控制单元开始测试步骤，驱动电路在测试步骤期间由电容器电压（UC）专门提供。

公开(公告)号：US20120249027A1

公开(公告)日：2012-10-04

申请号：US13438478

申请日：2012-04-03

申请人： René Wichert ,  Gernot Liebhard

发明人： René Wichert ,  Gernot Liebhard

IPC分类号： H02P1/16

CPC分类号： H02P29/032 ,  G01R31/024 ,  H02P29/0241

摘要： The invention relates to a method for starting an electronic drive circuit for the windings of an electric motor. A control unit, which is connected to a voltage source, is provided as well as a capacitor connected via a system switch element to the connecting terminals of the voltage source. The capacitor is connected across the input terminals parallel to the drive circuit. An operating circuit controls the system switch element. In order to start the motor, the operating circuit closes the system switch element and charges the capacitor and after the charging of the capacitor, opens the system switch element again. A test step is then started by the control unit, the drive circuit being supplied exclusively by the capacitor voltage (UC) during the test step.

摘要翻译： 本发明涉及一种启动用于电动机绕组的电子驱动电路的方法。 提供连接到电压源的控制单元以及经由系统开关元件连接到电压源的连接端子的电容器。 电容器连接在平行于驱动电路的输入端上。 操作电路控制系统开关元件。 为了启动电机，操作电路关闭系统开关元件并对电容充电，并在电容充电后再次打开系统开关元件。 然后由控制单元开始测试步骤，驱动电路在测试步骤期间由电容器电压（UC）专门提供。

公开(公告)号：US09138884B2

公开(公告)日：2015-09-22

申请号：US13230298

申请日：2011-09-12

申请人： Georg Heinzelmann ,  Gernot Liebhard ,  Dirk Förstner

发明人： Georg Heinzelmann ,  Gernot Liebhard ,  Dirk Förstner

IPC分类号： B23Q11/14 ,  B25F5/00

CPC分类号： B25F5/008 ,  B23Q11/14

摘要： A handheld work apparatus has an electric drive motor (24) and a power supply unit for the drive motor (24). The power supply unit is arranged in a receptacle (7) of a housing (2) of the work apparatus. The work apparatus has an electronic control (17) and a blower wheel (29) for conveying cooling air. The blower wheel (29) is driven by a drive motor (24). The housing (2) has at least one air inlet opening (10) for cooling air via which the blower wheel (29) draws in a first cooling air flow (22) during operation. A second cooling air flow (23) is drawn into the housing (2) via the receptacle (7).

摘要翻译： 手持式作业装置具有电驱动马达（24）和用于驱动马达（24）的电源单元。 电源单元布置在工作设备的壳体（2）的插座（7）中。 工作装置具有用于输送冷却空气的电子控制装置（17）和送风轮（29）。 鼓风机轮（29）由驱动马达（24）驱动。 壳体（2）具有用于冷却空气的至少一个空气入口（10），在操作期间鼓风机叶轮（29）经由该吸入口吸入第一冷却空气流（22）。 第二冷却空气流（23）经由容器（7）被吸入壳体（2）中。