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公开(公告)号:US06222285B1
公开(公告)日:2001-04-24
申请号:US09391283
申请日:1999-09-07
IPC分类号: H01H4720
CPC分类号: H02P25/14 , A47L7/0095 , A47L9/2805 , A47L9/2842 , A47L9/2868 , Y10T307/461 , Y10T307/469 , Y10T307/826 , Y10T307/852
摘要: A sensing circuit is useful with a power outlet and a power tool having power supplied thereto via the power outlet. The sensing circuit includes a generator, a transmitter, and a detector. A first signal having a high frequency is developed by the generator and supplied to a first terminal of the power outlet by the transmitter. The detector is coupled to the second terminal of the power outlet and tuned in accordance with the high frequency to develop a second signal indicative of whether the power tool is coupled to the power outlet. The sensing circuit may be used in conjunction with a regulating circuit and a two-position switch useful for controlling the electrical energy supplied to the power tool and a vacuum cleaner having the power outlet disposed thereon.
摘要翻译: 感测电路对于电源插座和具有通过电源插座供电的电源的电动工具是有用的。 感测电路包括发生器,发射器和检测器。 具有高频率的第一信号由发生器产生并由发射器提供给电源插座的第一端子。 检测器耦合到电源插座的第二端子并根据高频进行调谐,以产生指示电动工具是否耦合到电源插座的第二信号。 感测电路可以与调节电路和用于控制供给电动工具的电能的双位置开关和具有设置在其上的电力出口的真空吸尘器一起使用。
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公开(公告)号:US5747973A
公开(公告)日:1998-05-05
申请号:US763805
申请日:1996-12-11
CPC分类号: H02M5/2573 , G05F1/45 , H02J1/14 , Y10T307/469
摘要: A regulating switch circuit for conditioning operation of a first load upon operation of a second load wherein the first load and the second load consume electrical energy from a power source includes a detecting means for detecting the operation of the second load and a sensing means for sensing an amount a parameter of the electrical energy supplied to at least one of the first and second loads exceeds a predetermined level. A load control device couples at least one of the first and second loads to the power source wherein the load control device has a control terminal. A control circuit is coupled to the control terminal of the load control device and is responsive to the sensing means and the detecting means to variably adjust the electrical energy supplied by the power source to at least one of the first and second loads to limit the parameter of the electrical energy to the predetermined level.
摘要翻译: 一种调节开关电路,用于在第二负载操作时调节第一负载的操作,其中第一负载和第二负载消耗来自电源的电能包括用于检测第二负载的操作的检测装置和用于感测的感测装置 提供给第一和第二负载中的至少一个的电能的参数的量超过预定水平。 负载控制装置将第一和第二负载中的至少一个耦合到电源,其中负载控制装置具有控制端子。 控制电路耦合到负载控制装置的控制端,并响应于感测装置和检测装置,将电源提供的电能可变地调整到第一和第二负载中的至少一个,以限制参数 的电能达到预定水平。
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公开(公告)号:US06637068B2
公开(公告)日:2003-10-28
申请号:US09949216
申请日:2001-09-07
IPC分类号: A47L900
CPC分类号: A47L7/0028 , A47L7/0038 , A47L7/0042
摘要: A vacuum cleaner is provided having a tank with an inlet for receiving liquid material and defining an interior. An air impeller housing has an opening in air flow communication with the tank interior, and an air impeller is disposed inside the air impeller housing. A motor is disposed inside a motor housing and operatively coupled to the air impeller, and a switch is provided having a first position in which power is provided to the motor and a second position in which power to the motor is interrupted. A float is disposed in the tank and a float rod extends between the tank and the switch, the float rod being capable of moving the switch from the first position to the second position. A seal is positioned intermediately along the float rod to create a water-tight barrier between opposite ends of the float rod.
摘要翻译: 提供一种吸尘器,其具有带有用于接收液体材料并限定内部的入口的罐。 空气叶轮壳体具有与罐内部的气流连通的开口,并且空气叶轮布置在空气叶轮壳体内。 电动机设置在电动机壳体内部并且可操作地联接到空气叶轮,并且提供开关,其具有向电动机供电的第一位置和电动机的电力中断的第二位置。 浮子设置在储罐中,浮子杆在罐和开关之间延伸,浮子杆能够将开关从第一位置移动到第二位置。 密封件沿着浮子杆定位,以在浮子杆的相对端之间形成防水屏障。
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公开(公告)号:USD683090S1
公开(公告)日:2013-05-21
申请号:US29420974
申请日:2012-05-15
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公开(公告)号:US08179004B2
公开(公告)日:2012-05-15
申请号:US12614098
申请日:2009-11-06
IPC分类号: H02K11/00
CPC分类号: H01H1/5866 , A47L5/22 , A47L9/28 , A47L9/2868 , A47L9/2889 , H01H9/02 , H02K5/225 , H02K11/20
摘要: A new motor assembly uses a switch module to facilitate the assembly of an electric motor. The switch module can be prefabricated, and is connected to a terminal block on the motor by plug and socket connectors on the terminal block and on a terminal end of the module. The switch module is pre-wired with a power inlet and a switch, eliminating the need for a worker on the motor assembly line to make difficult electrical connections to a traditional terminal block. The switch is arranged in a switch housing that fits within an extension on the motor housing. An interior support wall on the housing fits within a channel between the switch housing and the rest of the switch module, helping to hold the assembly in position. The power inlet is positioned laterally outward from the terminal end and laterally inward of the switch.
摘要翻译: 新的电动机组件使用开关模块来促进电动机的组装。 开关模块可以预制,并通过端子块和模块终端上的插头和插座连接器连接到电机上的端子块。 开关模块通过电源插座和开关进行预接线,不需要电机组装线上的工作人员与传统接线端子进行困难的电气连接。 开关布置在开关壳体中,该开关壳体适合于电机壳体上的延伸部分。 壳体上的内部支撑壁装配在开关壳体和开关模块的其余部分之间的通道内,有助于将组件保持在适当位置。 动力入口从终端横向向外定位,横向位于开关的内侧。
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公开(公告)号:USD623367S1
公开(公告)日:2010-09-07
申请号:US29343615
申请日:2009-09-16
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公开(公告)号:US07721384B2
公开(公告)日:2010-05-25
申请号:US11213387
申请日:2005-08-25
IPC分类号: A47L5/36
CPC分类号: A47L5/36 , A47L5/14 , A47L9/0081
摘要: A pneumatic cleaner that can be worn as a backpack has a reduced unit overall depth. The impeller shaft is mounted at an acute angle. Tangential airflow chambers are disposed around the motor assembly and substantially surround the impeller. Two of the airflow chambers extend substantially the entire overall unit depth, and have lateral lengths that exceed the overall unit depth.
摘要翻译: 可以作为背包穿戴的气动清洁器具有减少的单元总体深度。 叶轮轴以锐角安装。 切向气流室设置在马达组件周围并且基本上围绕叶轮。 两个气流室基本上延伸整个整个单元深度,并具有超过整个单元深度的横向长度。
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公开(公告)号:USD573320S1
公开(公告)日:2008-07-15
申请号:US29279936
申请日:2007-05-11
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公开(公告)号:USD568565S1
公开(公告)日:2008-05-06
申请号:US29279962
申请日:2007-05-11
申请人: John Griffin , Robert L. Crevling, Jr. , Li Liu
设计人: John Griffin , Robert L. Crevling, Jr. , Li Liu
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公开(公告)号:USD565266S1
公开(公告)日:2008-03-25
申请号:US29237168
申请日:2005-08-25
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