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    • 1. 发明授权
    • Low-dropout regulator, power management system, and method of controlling low-dropout voltage
    • 低压差稳压器,电源管理系统以及低压差电压控制方法
    • US09213347B2
    • 2015-12-15
    • US14556110
    • 2014-11-29
    • Je-Kook KimSang-Yong ParkChan-Woo ParkYoung-Hoon LeeByeong-Ha Park
    • Je-Kook KimSang-Yong ParkChan-Woo ParkYoung-Hoon LeeByeong-Ha Park
    • G05F1/575
    • G05F1/575
    • A low-dropout regulator comprises an analog-to-digital converter that converts a feedback analog voltage signal into a digital signal, a phase synthesizing unit that generates a first control signal having a pulse width corresponding to error information in the digital signal by performing phase synthesis according to clock skew control, a charge pump circuit that selects a charge loop or a discharge loop based on polarity information in the digital signal, and generates an output control voltage according to current that flows during a period corresponding to the pulse width of the first control signal in the selected loop, and an output circuit that generates an output voltage based on an input voltage and the output control voltage, and generates the feedback analog voltage signal based on the output voltage.
    • 低压差稳压器包括将反馈模拟电压信号转换为数字信号的模数转换器,相位合成单元,通过执行相位产生具有对应于数字信号中的误差信息的脉冲宽度的第一控制信号 根据时钟偏移控制进行合成的电荷泵电路,根据数字信号中的极性信息选择充电回路或放电回路的电荷泵电路,并根据在与脉冲宽度对应的周期期间流动的电流产生输出控制电压 所选择的回路中的第一控制信号,以及基于输入电压和输出控制电压产生输出电压的输出电路,并且基于输出电压生成反馈模拟电压信号。
    • 6. 发明授权
    • Movable grating control
    • 可移动光栅控制
    • US06945867B2
    • 2005-09-20
    • US10643180
    • 2003-08-19
    • Chan-Woo Park
    • Chan-Woo Park
    • F24F13/08F24F13/12F24F7/00
    • F24F13/082F24F13/12
    • A grating assembly drive means is connected to control the movement of the movable grating between OPEN and CLOSED positions relative to a fixed grating. The drive means moves the movable grating through yieldable connection when moving toward CLOSED position, whereby when such movement is blocked by a foreign object the movable grating stops without damaging the object or the drive. On the other hand movement by the drive means toward OPEN position is direct after removal of any slack caused by a previous yielding.
    • 光栅组件驱动装置被连接以控制可移动光栅相对于固定光栅的OPEN和CLOSED位置之间的移动。 驱动装置在朝着关闭位置移动可移动光栅通过可屈服连接时,由此当这种运动被异物阻挡时,可移动光栅停止而不损坏物体或驱动器。 另一方面,在去除由先前的屈服引起的任何松弛之后,驱动装置向OPEN位置的移动是直接的。
    • 8. 发明申请
    • MUTUALLY CONVERTIBLE BOILER BETWEEN NORMAL TYPE AND CONDENSING TYPE
    • 正常类型和冷凝类型之间的可转换锅炉
    • US20090050077A1
    • 2009-02-26
    • US10588664
    • 2004-12-15
    • Won-Kyu KimMyung-Gi MinChan-Woo Park
    • Won-Kyu KimMyung-Gi MinChan-Woo Park
    • F24D19/00F24H9/00F28F13/06
    • F24H1/287F24D12/02F24D2200/04F24D2200/18F24H1/52F24H8/00F24H8/006F24H9/165Y02B10/70Y02B30/102Y02B30/106Y02B30/14
    • Disclosed is a boiler which is easily convertible from a normal type oil boiler to a condensing type oil boiler or vice versa thereby reducing manufacturing costs for the boiler. A size and a weight of the boiler are reduced by vertically installing a latent heat exchanger in an outer housing of the boiler together with a combustion chamber and a main heat exchanger. The boiler includes a combustion chamber, a heat exchange section, and an outer housing. Coupling holes are formed in the outer housing, a circulation chamber is formed at a lower portion of the outer housing, a burner is provided at an upper portion of the combustion chamber so as to generate heat in a downward direction thereof, the combustion chamber is vertically installed in one of the coupling holes, and a lower portion of the combustion chamber is communicated with the circulation chamber. The heat exchange section includes first and second heat exchangers and is vertically installed in the outer housing adjacent to the combustion chamber. An upper portion of the heat exchange section is coupled to one of the coupling holes and a lower portion of the heat exchange section is communicated with the circulation chamber. A funnel is provided at an upper portion of the outer housing so as to discharge an exhaust gas derived from combustion of the fuel in the combustion chamber, and a noise-absorbing container is provided at the upper portion of the outer housing so as to connect the funnel with the outer housing.
    • 公开了一种易于从正常型油锅炉转换成冷凝型油锅炉的锅炉,反之亦然,从而降低了锅炉的制造成本。 锅炉的尺寸和重量通过与燃烧室和主热交换器一起垂直地安装在锅炉的外壳中的潜热交换器来减少。 锅炉包括燃烧室,热交换部和外壳。 在外壳中形成有耦合孔,在外壳的下部形成有循环室,在燃烧室的上部设有燃烧器,以向下方向产生热量,燃烧室为 垂直安装在一个联接孔中,并且燃烧室的下部与循环室连通。 热交换部分包括第一和第二热交换器,并且垂直地安装在邻近燃烧室的外壳中。 所述热交换部的上部与所述连接孔中的一个连接,所述热交换部的下部与所述循环室连通。 在外壳的上部设有漏斗,以排出来自燃烧室内的燃料的燃烧的废气,在外壳的上部设置有吸音容器,以连接 漏斗与外壳。
    • 10. 发明授权
    • Washing machine with wobbling unit and clutch
    • 洗衣机配有摆动单元和离合器
    • US07316134B2
    • 2008-01-08
    • US10739264
    • 2003-12-19
    • Myung-Gyu LeeHyung-Gyoon KimChan-Woo ParkSang-Goo Yoon
    • Myung-Gyu LeeHyung-Gyoon KimChan-Woo ParkSang-Goo Yoon
    • D06F37/40
    • D06F13/08D06F23/04
    • A washing machine with a wobbling unit including a washing plate which wobbles in a vertical direction without rotating, thus washing laundry. The wobbling unit further includes a vertical rotating shaft rotating by a washing shaft and an inclined rotating shaft provided at a predetermined position above the vertical rotating shaft. A first rotary member allows the vertical rotating shaft to rotate along with the inclined rotating shaft. A second rotary member rotatably receives the inclined rotating shaft therein. The wobbling unit also includes a projecting pin, a wobbling pin, and a leveling pin to control positions of the first and second rotary members. A position of the washing plate is changed to a level position or a wobbling position by an operation of the pins. Further, a clutch is mounted to the second rotary member so that the position of the washing plate is securely changed to a desired position.
    • 一种具有摆动单元的洗衣机,其包括在垂直方向上摆动而不旋转的洗涤板,从而洗涤衣物。 摇摆单元还包括由洗涤轴旋转的垂直旋转轴和设置在垂直旋转轴上方的预定位置的倾斜旋转轴。 第一旋转构件允许竖直旋转轴与倾斜的旋转轴一起旋转。 第二旋转构件可旋转地接收其中的倾斜旋转轴。 摆动单元还包括突出销,摆动销和调平销,以控制第一和第二旋转构件的位置。 通过销的操作将洗涤板的位置改变为水平位置或摆动位置。 此外,将离合器安装到第二旋转构件,使得洗涤板的位置被牢固地改变到期望的位置。