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    • 2. 发明申请
    • ELECTRIC VEHICLE DRIVING SYSTEM
    • 电动车辆驱动系统
    • US20130130856A1
    • 2013-05-23
    • US13697999
    • 2011-03-11
    • Feng LiXingquan QinYu LiBao LiYanqioa ZhangQiang He
    • Feng LiXingquan QinYu LiBao LiYanqioa ZhangQiang He
    • F16H37/08
    • F16H37/08B60K1/02B60K7/0007B60K17/12B60K17/356B60K2007/0092B60L11/123B60L11/14B60L15/2045B60L2210/10B60L2240/421B60L2240/423B60Y2400/61Y02T10/6217Y02T10/642Y02T10/645Y02T10/70Y02T10/7077Y02T10/7216Y02T10/7283
    • An electric vehicle driving system includes an energy-storage apparatus (1), a first motor (2), a speed regulating motor (3) and a single row planetary mechanism. Said first motor (2) and said speed regulating motor (3) are connected electrically to the energy-storage apparatus (1). The single row planetary mechanism includes a sun gear (4), a gear ring (5) and a planetary carries (6) with planetary gears (7). The planetary gears (7) in the planetary carrier (6) mesh the gear ring (5) and the sun gear (4) separately. The output axle of the first motor (2) is connected to the gear ring (5), and the output axle of the speed regulating motor (3) is connected to the sun gear (4) by a brake (8). The invention takes the speed regulating motor and the single row planetary mechanism instead of the gearbox in a transmission driving system, and achieves a simple and compact structure, easy assemble, light weight, and low manufacturing cost. With the speed regulation of the speed regulating motor, the first motor works in high efficiency speed range, which increases energy utilization rate and endurance mileage.
    • 电动车辆驱动系统包括储能装置(1),第一马达(2),调速马达(3)和单列行星机构。 所述第一马达(2)和所述调速马达(3)与所述储能装置(1)电连接。 单列行星机构包括具有行星齿轮(7)的太阳轮(4),齿圈(5)和行星齿轮架(6)。 行星架(6)中的行星齿轮(7)分别啮合齿轮环(5)和太阳齿轮(4)。 第一马达(2)的输出轴连接到齿圈(5),调速马达(3)的输出轴通过制动器(8)连接到太阳齿轮(4)。 本发明采用调速电动机和单行行星机构代替传动驱动系统中的齿轮箱,实现了结构简单紧凑,组装方便,重量轻,制造成本低。 随着调速电机的调速,第一台电机工作在高效率的转速范围,提高了能量利用率和耐用里程。
    • 6. 发明申请
    • MAGNETIC RESONANCE IMAGING WATER-FAT SEPARATION METHOD
    • 磁共振成像水分离方法
    • US20110267054A1
    • 2011-11-03
    • US13097311
    • 2011-04-29
    • Qiang HeDe He Weng
    • Qiang HeDe He Weng
    • G01R33/44
    • A61B5/055G01R33/4824G01R33/4828
    • A magnetic resonance imaging (MRI) water-fat separation method includes acquiring in-phase image raw measurement data and out-of-phase image raw measurement data with an MRI device, reconstructing an in-phase image and an out-of-phase image according to a system matrix and the raw measurement data using the penalty function regularized iterative reconstruction method, and calculating water and fat images according to the in-phase image and the out-of-phase image. The use of the penalty function regularized iterative method eliminates the need for k-space raw measurement data with a 100% sampling rate, thereby reducing the MRI scan time, shortening the entire imaging time, and improving the efficiency of the MRI device.
    • 磁共振成像(MRI)水分离方法包括用MRI装置获取同相图像原始测量数据和异相图像原始测量数据,重建同相图像和异相图像 根据系统矩阵和使用惩罚函数正则化迭代重建方法的原始测量数据,并根据同相图像和异相图像计算水和脂肪图像。 使用惩罚函数正则化迭代方法消除了对具有100%采样率的k空间原始测量数据的需要,从而减少MRI扫描时间,缩短整个成像时间,并提高MRI设备的效率。
    • 7. 发明授权
    • Temperature control method for a permanent magnet arrangement of a magnetic resonance system
    • 用于磁共振系统的永磁体布置的温度控制方法
    • US07432708B2
    • 2008-10-07
    • US11761525
    • 2007-06-12
    • Qiang HeXiao Guang LiuHong Yi Zhu
    • Qiang HeXiao Guang LiuHong Yi Zhu
    • G01V3/00
    • G01R33/387G01R33/3804G01R33/383
    • In a temperature control method for magnetic field components of a permanent magnet arrangement of a magnetic resonance system, temperature stability of the magnetic field components is achieved by maintaining the temperature of the two sides of the magnetic field components constant, with a difference being maintained between the temperatures of the two sides of the magnetic field components so that a temperature gradient is formed within the magnetic field components. Once the temperature gradient is formed, dynamic temperature stability is established within the magnetic field component. When this dynamic temperature stability is broken by thermal disturbance, the temperature gradient allows the thermal disturbance to be quickly transmitted to the lower magnetic yoke and is further transmitted to the outside through the base of the magnetic resonance system so that the thermal disturbance is smoothed and dynamic temperature stability is reestablished.
    • 在用于磁共振系统的永磁体配置的磁场分量的温度控制方法中,通过将磁场分量的两侧的温度保持恒定来实现磁场分量的温度稳定性, 磁场分量的两侧的温度使得在磁场分量内形成温度梯度。 一旦温度梯度形成,在磁场分量内建立动态温度稳定性。 当这种动态温度稳定性被热干扰破坏时,温度梯度允许热干扰快速传递到下磁轭,并且通过磁共振系统的基底进一步传输到外部,使得热扰动平滑, 动态温度稳定性重新建立。
    • 9. 发明授权
    • Method for forwarding multicast message in network communication
    • 在网络通信中转发多播消息的方法
    • US07590116B2
    • 2009-09-15
    • US10629376
    • 2003-07-28
    • Qiang HeFeng Zhang
    • Qiang HeFeng Zhang
    • H04L12/28
    • H04L45/00H04L12/1836H04L45/16
    • The invention relates to a method of forwarding multicast message in network communication. In the method: first, establish forwarding match condition at the ingress interface of the network device required to forward multicast message, the forwarding match condition specifies forwarding rule for the multicast message; then, compare the multicast message to be forwarded to network device through the interface with the forwarding match condition, and forward the multicast message according to the comparing result. The invention can configure the sending mode of messages according to requirement and can effectively avoid risks in security that may be caused by the broadcast mode for the multicast messages in the link layer as well as efficiency loss caused by receiving a great deal of invalid multicast messages, and the configuration is simple, and more convenient use and management is realized. In the present invention, forwarding multicast message according to an established multicast message forwarding rule greatly reduces the number of various multicast protocol messages generated in the multicast network and saves bandwidth resource of network.
    • 本发明涉及一种在网络通信中转发多播消息的方法。 在该方法中,首先在转发组播报文所需的网络设备的入口接口上建立转发匹配条件,转发匹配条件指定组播报文的转发规则; 然后通过具有转发匹配条件的接口比较要转发到网络设备的组播报文,并根据比较结果转发组播报文。 本发明可以根据需要配置消息的发送方式,有效避免链路层组播消息广播模式引起的安全隐患风险以及接收到大量无效组播报文的效率损失 ,配置简单,使用和管理更方便实现。 在本发明中,根据建立的组播消息转发规则转发组播消息大大减少了组播网络中生成的各种组播协议报文的数量,节省了网络的带宽资源。
    • 10. 发明授权
    • Method and apparatus for phase calibration of an MRI pulse
    • 用于MRI脉冲相位校准的方法和装置
    • US07492155B2
    • 2009-02-17
    • US11834106
    • 2007-08-06
    • Qiang HePeter Heubes
    • Qiang HePeter Heubes
    • G01V3/00
    • G01R33/565G01R33/5616G01R33/5617G01R33/56518G01R33/5659G01R33/58
    • The present invention concerns a method and an apparatus for phase-calibrating an MRI pulse sequence which is used to calculate a linear phase and a constant phase to perform phase calibration on the scanned data, wherein a corresponding pre-scan without a phase encoding gradient is performed before a diagnostic scan. A reference echo is selected from the echoes obtained in the pre-scan. On the basis of the reference echo the constant phase is calculated to be used in performing the phase calibration in the scan. The constant phase that is obtained is correct and not affected by phase jumping. A further image reconstruction performed on the phase-calibrated data produces clear and artifact-free images.
    • 本发明涉及一种用于相位校准MRI脉冲序列的方法和装置,其用于计算线性相位和恒定相位以对扫描数据执行相位校准,其中相对于没有相位编码梯度的预扫描是 在诊断扫描之前执行。 从预扫描中获得的回波中选择参考回波。 在参考回波的基础上,计算出恒定相位用于在扫描中执行相位校准。 获得的恒定相是正确的,不受相位跳跃的影响。 在相位校准数据上执行的另一图像重建产生清晰和无伪影的图像。