IMPELLER, ELECTRIC AIR BLOWER USING SAME, AND ELECTRIC CLEANER USING ELECTRIC AIR BLOWER
    17.
    发明申请
    IMPELLER, ELECTRIC AIR BLOWER USING SAME, AND ELECTRIC CLEANER USING ELECTRIC AIR BLOWER 审中-公开
    叶轮,使用相同的电动鼓风机,以及使用电动风机的电动清洁机

    公开(公告)号:US20120294739A1

    公开(公告)日:2012-11-22

    申请号:US13519003

    申请日:2011-02-16

    CPC classification number: F04D29/281 A47L5/22 F04D17/025

    Abstract: An impeller of the present invention includes a front surface shroud including an air intake port; a back surface shroud provided facing the front surface shroud; a first inducer provided between the front surface shroud and the back surface shroud and including a plurality of first blade sections provided around a first hub portion; a second inducer including a plurality of second blade sections connected to the first blade section of the first inducer and provided around a second hub portion; and a plurality of blades connected to the second blade section of the second inducer. A multi-blade structure of the inducer thus can be realized, and an impeller of high performance and low noise can be provided.

    Abstract translation: 本发明的叶轮具有包括进气口的前表面罩, 背面罩设置成面向前表面罩; 设置在所述前表面护罩和所述后表面护罩之间并且包括围绕第一毂部设置的多个第一叶片部分的第一诱导器; 第二导流器,包括多个第二叶片部分,其连接到第一导流器的第一叶片部分并设置在第二毂部分周围; 以及连接到所述第二导流器的第二叶片部分的多个叶片。 因此可以实现导流器的多叶片结构,并且可以提供高性能和低噪声的叶轮。

    SEMICONDUCTOR INTEGRATED CIRCUIT
    18.
    发明申请
    SEMICONDUCTOR INTEGRATED CIRCUIT 有权
    半导体集成电路

    公开(公告)号:US20110063029A1

    公开(公告)日:2011-03-17

    申请号:US12727509

    申请日:2010-03-19

    Abstract: A semiconductor integrated circuit includes a first input terminal configured to input a first input voltage, a second input terminal configured to input a second input voltage, a differential amplifier configured to generate a differential output voltage by amplifying a differential input voltage obtained from a difference between the first input voltage input by the first input terminal and the second input voltage input by the second input terminal, a switch configured to electrically connect or cut off the first input terminal and the second input terminal, and a sample hold unit connected to a power supply which generates a reference voltage and configured to generate an offset correction voltage of the differential amplifier based on the differential output voltage and the reference voltage when the first input terminal and the second input terminal are electrically connected by the switch.

    Abstract translation: 半导体集成电路包括被配置为输入第一输入电压的第一输入端子和被配置为输入第二输入电压的第二输入端子,差分放大器,被配置为通过放大由差分输入电压 由第一输入端子输入的第一输入电压和由第二输入端子输入的第二输入电压,被配置为电连接或切断第一输入端子和第二输入端子的开关,以及连接到电力的采样保持单元 电源,其产生参考电压,并且被配置为当第一输入端子和第二输入端子通过开关电连接时,基于差分输出电压和参考电压产生差分放大器的偏移校正电压。

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