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    • 5. 发明授权
    • Operation control method resonance frequency of reciprocating compressor
    • 往复式压缩机的运行控制方法共振频率
    • US06746211B2
    • 2004-06-08
    • US10201736
    • 2002-07-24
    • Kye-Si KwonHyuk LeeHyung-Jin Kim
    • Kye-Si KwonHyuk LeeHyung-Jin Kim
    • F04B4910
    • F04B35/045F04B49/065F04B2203/0404
    • An operation control method of a reciprocating compressor is disclosed in which, in case that a motor is overloaded, an operation frequency is increased to render magnetic fluxes of a magnet and an input current are mutually offset, so that a reciprocating compressor can be stably driven even in case of the overload. For this purpose, while the reciprocating compressor using an inverter is operated at a rated frequency, a current load of the motor is measured and the measured load is compared with a pre-set reference load. Upon comparison, if the measured load is greater than the reference load, it is determined as an overload and the operation frequency is increased by as much as a certain value higher than an oscillation frequency, for performing an overload operation. In order to compensate a stroke reduction generated as the operaiton frequency is increased by as much the certain value, the voltage applied to the motor is increased by as much as a certain level according to the increased operation frequency, thereby performing an overload operation.
    • 公开了一种往复式压缩机的操作控制方法,其中,在电动机过载的情况下,增加操作频率使得磁体的磁通量和输入电流相互偏移,从而可以稳定地驱动往复式压缩机 即使在过载的情况下。 为此,当使用变频器的往复式压缩机以额定频率工作时,测量电动机的电流负载,并将测量的负载与预设的参考负载进行比较。 相比之下,如果测量的负载大于参考负载,则确定为过载,并且操作频率增加高于振荡频率的一定值以进行过载操作。 为了补偿随着操作频率增加一定值而产生的行程减小,施加到电动机的电压根据增加的操作频率增加多达一定水平,由此执行过载操作。
    • 6. 发明授权
    • Reciprocating compressor
    • 往复式压缩机
    • US07150605B2
    • 2006-12-19
    • US10642682
    • 2003-08-19
    • Hyung-Jin KimTae-Hee KwakHyuk Lee
    • Hyung-Jin KimTae-Hee KwakHyuk Lee
    • F04B39/00
    • F04B35/045F04B39/0061
    • A reciprocating compressor includes a case having a gas suction pipe and a gas discharge pipe. A frame unit is installed in the case and a compression unit, including a cylinder is installed in the frame unit. The compression unit has a plurality of slots formed in a longitudinal direction on its outer circumferential surface. A piston is coupled with a reciprocating motor so as to linearly and reciprocally move into and out of the cylinder and has a plurality of through holes formed at its outer side, communicating with the slots. The compression unit has a gas muffler member installed at an outer circumferential surface of the cylinder.
    • 往复式压缩机包括具有气体吸入管和排气管的壳体。 框架单元安装在壳体中,并且包括气缸的压缩单元安装在框架单元中。 压缩单元具有在其外周面上沿纵向方向形成的多个槽。 活塞与往复运动马达结合,以便直线地往复移动进入和离开缸体,并且在其外侧形成有与槽连通的多个通孔。 压缩单元具有安装在气缸的外周面的气体消声器构件。
    • 7. 发明授权
    • Reciprocating compressor with support springs placed between support members for radial compactness
    • 往复式压缩机,支撑弹簧放置在支撑件之间,用于径向紧凑
    • US06729861B2
    • 2004-05-04
    • US10188076
    • 2002-07-03
    • Won-Sik OhHyuk LeeHyung-Jin Kim
    • Won-Sik OhHyuk LeeHyung-Jin Kim
    • F04B1703
    • F04B35/045Y10S417/902
    • A reciprocating compressor includes a compressing unit fixed by a first frame inside a hermetic casing, for compressing gas, a driving motor fixed by a second frame and a third frame inside the hermetic casing, a spring seat member connected with a piston of the compressing unit and positioned between the first frame and the second frame, a plurality of connection members respectively connecting the first and second frame and having a predetermined space in the circumferential direction of the first and second frame, a first spring installed between the first frame and the spring seat member, a second spring installed between the spring seat member and the second frame, wherein each end of the first and second springs is positioned in a space among the connection members. Therefore, the compressor can be miniaturized and the installation space of the compressor can be substantially reduced.
    • 往复式压缩机包括压缩单元,该压缩单元由密封壳体内的第一框架固定,用于压缩气体,由第二框架固定的驱动马达和密封壳体内的第三框架;弹簧座构件,其与压缩单元的活塞连接 并且位于所述第一框架和所述第二框架之间,多个连接构件,分别连接所述第一框架和所述第二框架,并且在所述第一框架和第二框架的圆周方向上具有预定空间;第一弹簧,安装在所述第一框架和所述弹簧之间 座椅构件,安装在弹簧座构件和第二框架之间的第二弹簧,其中第一和第二弹簧的每个端部定位在连接构件之间的空间中。 因此,能够使压缩机小型化,能够大幅降低压缩机的安装空间。
    • 10. 发明授权
    • Grouping of users
    • 用户分组
    • US08930351B1
    • 2015-01-06
    • US12751359
    • 2010-03-31
    • Hyung-Jin KimYair KurzionPhilip McDonnell
    • Hyung-Jin KimYair KurzionPhilip McDonnell
    • G06F7/00G06F17/30
    • G06F17/30864
    • Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for grouping of users. In one aspect, a method includes selecting a current user group for a search session based on search results selected by a user during the search session. The method also includes obtaining a plurality of search results responsive to a query submitted by the user during the search session wherein each of the search results has a respective score. The method also includes determining that a search result in the plurality of search results is one in which users associated with the current user group select as a selected search result a percentage of time more often or less often than a general population of users that is larger than a number of users associated with the current user group. The method also includes in response to determining, modifying an order of the plurality of search results by modifying the respective score of the search result based on the percentage. The method also includes providing the modified plurality of search results in response to the query.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于分组用户。 一方面,一种方法包括基于搜索会话期间由用户选择的搜索结果来选择用于搜索会话的当前用户组。 该方法还包括响应于在搜索会话期间由用户提交的查询获得多个搜索结果,其中每个搜索结果具有相应的分数。 该方法还包括确定多个搜索结果中的搜索结果是与当前用户组相关联的用户作为选择的搜索结果选择的时间的百分比比常规或更少的一般用户群体更大 比与当前用户组相关联的多个用户。 该方法还包括响应于通过基于百分比修改搜索结果的相应分数来确定修改多个搜索结果的顺序。 该方法还包括响应于查询来提供经修改的多个搜索结果。