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    • 1. 发明申请
    • Rolling prevention device
    • 防滚装置
    • US20070052290A1
    • 2007-03-08
    • US11490550
    • 2006-07-21
    • Yong Hwang
    • Yong Hwang
    • B60T8/42
    • B60T7/122B60T8/341B60T8/4275
    • A rolling prevention device for vehicles including a solenoid valve and relief valve parallel to each other. The solenoid valve and relief valve are connected to at least one hydraulic circuit, which is adapted to receive a hydraulic pressure from a master cylinder operated if a brake pedal is pressed. The relief valve has a valve sheet formed at an outer diameter portion thereof with a bypass. The bypass can be processed with ease by forming a V-shaped groove in the outer diameter portion or cutting and flattening a part of the outer diameter portion. Since a pressure in each wheel cylinder is able to be gently lowered via the bypass even if the brake pedal is released, a desired braking force can be maintained until a sufficient engine power is obtained, thus preventing unintentional rolling of a vehicle on a slope.
    • 一种用于车辆的防滚动装置,其包括彼此平行的电磁阀和安全阀。 电磁阀和安全阀连接到至少一个液压回路,该液压回路适于在按压制动踏板时从主缸接收液压。 安全阀具有在其外径部分处形成有旁路的阀片。 可以通过在外径部分中形成V形槽或者对外径部分的一部分进行切割和平坦化来容易地处理旁路。 由于即使制动踏板被释放,每个轮缸中的压力也能够通过旁路轻轻地降低,因此可以保持所需的制动力,直到获得足够的发动机功率,从而防止车辆在斜坡上的无意滚动。
    • 2. 发明申请
    • Frame for cathode ray tube
    • 阴极射线管框架
    • US20060082281A1
    • 2006-04-20
    • US11249434
    • 2005-10-14
    • Yong Hwang
    • Yong Hwang
    • H01J29/80
    • H01J29/073H01J2229/0722
    • A frame for a cathode ray tube including a substantially rectangular frame body having longer and shorter sides, and one or more beads formed on each of the longer frame sides, and one or more beads formed on each of the shorter frame sides, wherein at least one of the beads formed on each of the longer frame sides has a shape different from the shape of the beads formed on each of the shorter frame sides, to increase the rigidity of the longer frame side. The number of the beads formed on each of the longer frame sides may be different from the number of the beads formed on each of the shorter frame sides, to increase the rigidity of the longer frame side.
    • 一种用于阴极射线管的框架,包括具有较长和短边的大致矩形的框架体,以及形成在每个较长框架侧上的一个或多个凸珠,以及形成在每个较短框架侧上的一个或多个凸珠,其中至少 形成在每个较长框架侧上的一个珠具有与形成在每个较短框架侧上的珠的形状不同的形状,以增加较长框架侧的刚度。 形成在每个较长框架侧上的珠的数量可以不同于在每个较短框架侧上形成的珠的数量,以增加较长框架侧的刚度。
    • 4. 发明授权
    • Automatic test circuit for a semiconductor memory device capable of
generating internal ras and cas signals, and row and column address
signals
    • 能够产生内部ras和cas信号的半导体存储器件的自动测试电路,以及行和列地址信号
    • US5579271A
    • 1996-11-26
    • US554698
    • 1995-11-07
    • Seon I. SohnYong Hwang
    • Seon I. SohnYong Hwang
    • G11C11/401G11C29/00G11C29/14G11C29/46
    • G11C29/46
    • An automatic test circuit for automatically testing the operation of a semiconductor memory device to check whether it is normal or abnormal. The automatic test circuit comprises a test command signal generation stage for generating a test command signal in response to an external row address strobe signal, an external column address strobe signal, an external write signal and an external read signal, a row address signal generation stage for generating an internal row address strobe signal and a row address signal in response to the external row address strobe signal and the test command signal from the test command signal generation stage, and a column address signal generation stage for generating an internal column address strobe signal and a column address signal in response to the internal row address strobe signal from the row address signal generation stage and the test command signal from the test command signal generation stage.
    • 一种自动测试电路,用于自动测试半导体存储器件的操作,以检查其是否正常或异常。 自动测试电路包括用于响应于外部行地址选通信号,外部列地址选通信号,外部写入信号和外部读取信号产生测试命令信号的测试命令信号产生级,行地址信号产生级 用于响应于来自测试命令信号产生级的外部行地址选通信号和测试命令信号产生内部行地址选通信号和行地址信号;以及列地址信号产生级,用于产生内部列地址选通信号 以及响应于来自行地址信号生成级的内部行地址选通信号和来自测试命令信号生成级的测试命令信号的列地址信号。
    • 6. 发明申请
    • Funnel for slim cathode ray tubes
    • US20060255709A1
    • 2006-11-16
    • US11346165
    • 2006-02-03
    • Yong Hwang
    • Yong Hwang
    • H01J29/86H01J29/92H01J61/30
    • H01J29/861H01J29/87
    • Disclosed herein is a funnel for slim cathode ray tubes. The funnel is constructed such that the deflection angle of an electron beam is 120 degrees or more. On the assumption that, at a top of round (TOR) part located between a body and a yoke part, the thickness of each long side (x-axis) is Tx, the thickness of each short side (y-axis) is Ty, and the thickness of each diagonal part is Td, the following inequality is satisfied: Td>Tx>Ty. The TOR part has a horizontal inner curvature, a horizontal outer curvature, and a vertical outer curvature, which are convex toward the outside of the funnel, and a vertical inner curvature, which is convex toward the inside of the funnel. On the assumption that, at the body from a seal edge, at which the body is joined with a panel, to the TOR part, the thickness of each long side (x-axis) is Bx, the thickness of each short side (y-axis) is By, and the thickness of each diagonal part is Bd, the thickness ratio of the body from the seal edge to the ⅔ point of the body is set such that the following inequality is satisfied: Bx>By>Bd.
    • 7. 发明申请
    • Oil treatment system
    • 油处理系统
    • US20060091050A1
    • 2006-05-04
    • US11300094
    • 2005-12-12
    • Yong Hwang
    • Yong Hwang
    • B04B1/00
    • B01D17/0202A47J37/1223B01D21/009B01D21/26B01D2221/06
    • The invention is directed to an oil treatment apparatus and method for treatment of oil which transports oil to be treated from a source through a first conduit to a treatment station. The treatment station includes a filter system capable of extracting particulate material from the oil and removing particulate material from the filter system as it is removed from the oil. The treated oil may then be transported for reuse, preferably in a continuous cycle with the source of the oil. A prefiltering system may be used to further enhance maintaining the quality of the oil and/or in efficiently treating the oil while accommodating throughout requirements. The prefiltering system may include a comminuter to reduce the size of larger particles in the oil, a coarse filtering system to remove larger particle, a system to introduce a treatment material to the oil or other system to facilitate processing. The filtering system is designed to remove particles from the oil having a size of fifteen microns or smaller in the preferred embodiment.
    • 本发明涉及一种用于处理油的油处理设备和方法,其将待处理的油通过第一管道输送到处理站。 处理站包括一个过滤系统,能够从油中提取颗粒物质,并从滤油器系统中除去颗粒物质,从油中除去。 然后处理的油可以被运输以重新使用,优选地与油源连续循环。 可以使用预过滤系统来进一步增强油的质量和/或在容纳整个要求的同时有效地处理油。 预过滤系统可以包括用于减小油中更大颗粒的尺寸的粉碎机,用于除去较大颗粒的粗过滤系统,将处理材料引入油或其它系统以促进处理的系统。 过滤系统设计成在优选实施例中从具有15微米或更小尺寸的油中除去颗粒。
    • 8. 发明申请
    • Electro-hydraulic brake system
    • 电动液压制动系统
    • US20070126282A1
    • 2007-06-07
    • US11524760
    • 2006-09-20
    • Yong Hwang
    • Yong Hwang
    • B60T13/16B60T8/42
    • B60T8/4081
    • An electro-hydraulic brake (EHB) system including a pump to pump and discharge oil in a reservoir, an accumulator to temporarily store the oil discharged from the pump, inlet valves to deliver the oil stored in the accumulator into the respective wheel cylinders, a return flow path connecting the wheel cylinders to the reservoir, outlet valves provided on the return flow path and adapted to discharge the oil from the wheel cylinders to the reservoir, cut-off valves to open and close flow paths between the wheel cylinders and an exit of a master cylinder, and a simulator. The simulator includes a first chamber communicating with the exit of the master cylinder, a second chamber connected to an entrance of the pump, and a simulator valve. The simulator having the above described configuration is able to prevent deterioration in the reliability and durability of the EHB system and to reduce the installation space of the master cylinder.
    • 一种电动液压制动器(EHB)系统,包括泵以泵送并在油箱中排出油的蓄电池,用于临时存储从泵排出的油的蓄能器,用于将存储在蓄电池中的油输送到相应的轮缸中的入口阀, 将轮缸连接到储存器的返回流动路径,设置在回流路径上的出口阀,其适于将油从轮缸排放到储存器,截止阀以打开和关闭轮缸与出口之间的流动路径 主缸和模拟器。 模拟器包括与主缸的出口连通的第一室,连接到泵入口的第二室和模拟阀。 具有上述结构的模拟器能够防止EHB系统的可靠性和耐久性的劣化,并且减小主缸的安装空间。
    • 10. 发明申请
    • Turbine type electric fuel pump for automobile
    • 汽轮机型电动燃油泵
    • US20050025616A1
    • 2005-02-03
    • US10896499
    • 2004-07-22
    • Jin JangSang ParkSang NohYong Hwang
    • Jin JangSang ParkSang NohYong Hwang
    • F02M59/12F04D29/18F04D5/00
    • F04D29/188
    • Provided is a turbine type electric fuel pump for an automobile having a casing in which a pump portion and a motor portion are installed. The pump portion includes a fuel intake case having a fuel intake hole, a fuel discharge case having a fuel discharge hole, and an impeller installed on a pumping chamber. An inlet side ring type duct is connected to the fuel intake hole. An outlet side ring type duct is connected to the fuel discharge hole. The impeller includes a disc portion in which a shaft assembly portion is formed at the center thereof, a plurality of blades extending from an outer circumferential surface of the disc portion outwardly in a radial direction, and a ring portion connecting the blades along the outer circumferential surface of the disc portion. The outer circumferential surface of the disc portion gradually protrudes outwardly in a radial direction of the impeller from both upper and lower sides thereof to a center thereof. The inner circumferential surface of the ring portion gradually protrudes inwardly in a radial direction of the impeller from both upper and lower sides thereof to a center thereof.
    • 提供一种用于汽车的涡轮式电动燃料泵,其具有其中安装有泵部分和马达部分的壳体。 泵部分包括具有燃料进入孔的燃料进入壳体,具有燃料排出孔的燃料排出壳体和安装在泵送室上的叶轮。 入口侧环型管道连接到燃料进入孔。 出口侧环形管道连接到燃料排放孔。 叶轮包括在其中心处形成有轴组件部分的盘部分,从盘部分的外圆周表面沿径向向外延伸的多个叶片,以及沿着外周部连接叶片的环部分 盘部分的表面。 盘部的外周面从叶轮的上下方向向中心渐渐地从叶轮的径向向外侧突出。 环状部的内周面从叶轮的上下方向向中心渐渐地从叶轮的径向向内侧突出。