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    • 5. 发明授权
    • HDTV receiver
    • HDTV接收机
    • US5570136A
    • 1996-10-29
    • US421438
    • 1995-04-12
    • Dae Jin Kim
    • Dae Jin Kim
    • H04N5/44H04N5/455H04N5/50H04N5/46
    • H04N5/4446H04N5/455H04N5/50H04N5/4401
    • An HDTV receiver is disclosed including a tuning portion for selecting one of a plurality of RF signals received, and converting a selected RF signal into an intermediate frequency signal; a demodulator/FPLL for demodulating the intermediate frequency signal output from the tuning portion into a baseband signal in which the frequency and phase are locked, and outputting an AFC signal; a first local oscillator for forming a frequency signal which can be varied from a reference frequency to a specific frequency, and outputting the thus-formed frequency signal to the demodulator/FPLL; and a VSB filter for VSB-filtering the baseband signal output from the demodulator/FPLL.
    • 公开了一种HDTV接收机,其包括用于选择所接收的多个RF信号中的一个的调谐部分,并将所选择的RF信号转换为中频信号; 解调器/ FPLL,用于将从调谐部分输出的中频信号解调为频率和相位被锁定的基带信号,并输出AFC信号; 用于形成可以从参考频率到特定频率变化的频率信号的第一本地振荡器,并将由此形成的频率信号输出到解调器/ FPLL; 以及用于对从解调器/ FPLL输出的基带信号进行VSB滤波的VSB滤波器。
    • 9. 发明授权
    • Turbo-machine having bellows unit for automatic axial thrust control
    • 涡轮机具有用于自动轴向推力控制的波纹管单元
    • US08282340B2
    • 2012-10-09
    • US12493353
    • 2009-06-29
    • Dae-Jin KimJinhan Kim
    • Dae-Jin KimJinhan Kim
    • F01D3/00
    • F01D3/04F05D2240/52
    • A turbo-machine including a volute casing, a rotating shaft, an impeller, seals, an axial thrust control member and a bellows unit. The volute casing defines therein a fluid passage. The rotating shaft is rotatably provided in the volute casing. The impeller is coupled to the rotating shaft to draw fluid using centrifugal force. The seals are provided around the front and rear ends of the impeller to prevent leakage of fluid. The axial thrust control member is installed in the volute casing behind the impeller. The bellows unit includes the piston installed in the volute casing in a shape surrounding a circumferential outer surface of the axial thrust control member; and a bellows connected with one surface of the piston, the bellows having the predetermined elasticity; and an internal space, between the piston and the volute casing, isolated from the fluid drawn behind the impeller.
    • 涡轮机包括蜗壳,旋转轴,叶轮,密封件,轴向推力控制构件和波纹管单元。 蜗壳在其中限定有流体通道。 旋转轴可旋转地设置在蜗壳中。 叶轮联接到旋转轴以使用离心力抽取流体。 密封件围绕叶轮的前端和后端设置以防止流体泄漏。 轴向推力控制构件安装在叶轮后面的蜗壳中。 波纹管单元包括安装在蜗壳中的活塞,其形状围绕轴向推力控制构件的周向外表面; 以及与活塞的一个表面连接的波纹管,波纹管具有预定的弹性; 以及活塞和蜗壳之间的内部空间,与从叶轮后面吸取的流体分离。
    • 10. 发明申请
    • TURBO-MACHINE HAVING BELLOWS UNIT FOR AUTOMATIC AXIAL THRUST CONTROL
    • 涡轮机具有自动轴向控制的BELLOWS单元
    • US20100329845A1
    • 2010-12-30
    • US12493353
    • 2009-06-29
    • Dae-Jin KIMJinhan Kim
    • Dae-Jin KIMJinhan Kim
    • F01D3/04
    • F01D3/04F05D2240/52
    • The turbo-machine of the present invention includes a volute casing, a rotating shaft, an impeller, seals, an axial thrust control member and a bellows unit. The volute casing defines therein a fluid passage. The rotating shaft is rotatably provided in the volute casing. The impeller is coupled to the rotating shaft to draw fluid using centrifugal force. The seals are provided around the front and rear ends of the impeller to prevent leakage of fluid. The axial thrust control member is installed in the volute casing behind the impeller. The bellows unit includes the piston installed in the volute casing in a shape surrounding a circumferential outer surface of the axial thrust control member; and a bellows connected with one surface of the piston, the bellows having the predetermined elasticity; and an internal space, between the piston and the volute casing, isolated from the fluid drawn behind the impeller.
    • 本发明的涡轮机包括蜗壳,旋转轴,叶轮,密封件,轴向推力控制构件和波纹管单元。 蜗壳在其中限定有流体通道。 旋转轴可旋转地设置在蜗壳中。 叶轮联接到旋转轴以使用离心力抽取流体。 密封件围绕叶轮的前端和后端设置以防止流体泄漏。 轴向推力控制构件安装在叶轮后面的蜗壳中。 波纹管单元包括安装在蜗壳中的活塞,其形状围绕轴向推力控制构件的周向外表面; 以及与活塞的一个表面连接的波纹管,波纹管具有预定的弹性; 以及活塞和蜗壳之间的内部空间,与从叶轮后面吸取的流体分离。