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    • 6. 发明授权
    • Air compressor
    • 空气压缩机
    • US08821131B2
    • 2014-09-02
    • US12365419
    • 2009-02-04
    • Tomoyoshi YokotaSeiichi KodatoKenichi MatsunagaKazuhiro SegawaNaoto Ichihashi
    • Tomoyoshi YokotaSeiichi KodatoKenichi MatsunagaKazuhiro SegawaNaoto Ichihashi
    • F04B23/14
    • F04B39/066F04B35/04F04B41/02F04B49/06Y10T137/86051
    • According to the invention, an air compressor includes: one pair of air tanks arranged parallel to each other by being separated from each other in a constant interval, for storing thereinto compressed air; a compressing unit that compresses air sucked from an external space so as to supply the compressed air to the air tanks; and a motor coupled to the compressing unit so as to drive the compressing unit, while the motor and the compressing unit are arranged above the one pair of air tanks; wherein: a cooling fan that generates cooling wind is provided on one end of a rotation shaft of the motor; and a control circuit unit that drives the motor is arranged above the one pair of air tanks and at a position which is overlapped with an axial direction projection area of the cooling fan.
    • 根据本发明,空气压缩机包括:通过以一定间隔彼此分离的方式彼此平行布置的一对空气罐,用于储存压缩空气; 压缩单元,其压缩从外部空间吸入的空气,以将压缩空气供应到所述空气罐; 以及电动机,其联接到所述压缩单元以驱动所述压缩单元,同时所述电动机和所述压缩单元布置在所述一对空气罐的上方; 其特征在于,在所述电机的旋转轴的一端设置有产生冷却风的冷却风扇, 并且驱动电动机的控制电路单元布置在一对空气罐的上方和与冷却风扇的轴向方向投影区域重叠的位置。
    • 10. 发明申请
    • INTERFERENCE CANCELLATION
    • 干扰消除
    • US20120039192A1
    • 2012-02-16
    • US13146846
    • 2009-01-28
    • Ying PengSimon ArmourJoe McGeehanTomoyoshi YokotaFangwei Tong
    • Ying PengSimon ArmourJoe McGeehanTomoyoshi YokotaFangwei Tong
    • H04J1/12
    • H04L25/022H04L25/03159H04L27/2657H04L27/2695H04L2025/03426
    • There is provided a first device for use in a communication system, the communication system further comprising a plurality of second devices, the system having a plurality of orthogonal frequency carriers available for transmissions, each second device having a respective carrier frequency offset estimated from signals received from the first device, each of the second devices transmitting a respective stream of symbols using the respective estimated carrier frequency offset and one or more frequency carriers selected from the plurality of orthogonal frequency carriers, the first device comprising receiver circuitry for receiving respective signals from each of the second devices; a channel estimator for generating, from the received signals, an estimate of the channel over which the signals have been transmitted; an interference estimator for generating, from the received signals, an estimate of interference at the first device caused by errors in the carrier frequency offsets estimated by each second device; and circuitry for equalising the received signals using the estimate of the channel and the estimate of the interference.
    • 提供了一种在通信系统中使用的第一设备,所述通信系统还包括多个第二设备,所述系统具有可用于传输的多个正交频率载波,每个第二设备具有从接收到的信号估计的相应的载波频率偏移 从第一设备,每个第二设备使用相应的估计的载波频率偏移和从多个正交频率载波中选择的一个或多个频率载波来发送相应的符号流,第一设备包括接收机电路,用于从每个 的第二设备; 信道估计器,用于从所接收的信号中产生已经发送信号的信道的估计; 干扰估计器,用于从接收到的信号中产生由由每个第二设备估计的载波频率偏移中的误差引起的在第一设备处的干扰的估计; 以及用于使用信道的估计和干扰估计来均衡接收信号的电路。