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    • 1. 发明申请
    • Systems for Retarding the Speed of a Railcar
    • 减轻铁路车辆速度的系统
    • US20110315491A1
    • 2011-12-29
    • US13117217
    • 2011-05-27
    • Andrew J. FrailingJames E. Thompson
    • Andrew J. FrailingJames E. Thompson
    • B61K7/08B61K7/02B60T13/16
    • B61K7/08
    • Systems for retarding the speed of a railcar comprise: a brake; a hydraulic actuator moving the brake between a closed position in which the brake applies braking pressure on a wheel of the railcar and an open position in which the brake does not apply braking pressure on the wheel of the rail car; a hydraulic circuit comprising a first manifold and a second manifold; a pump configured to pump hydraulic fluid into at least one of the first manifold and the second manifold; and a logic element controlling pressure of the fluid in the first manifold such that when the wheel enters the brake and forces the brake towards the open position. The logic element reacts to maintain a selected pressure in the first manifold, thus causing a selected braking pressure to be applied by the brake on the wheel of the railcar.
    • 用于延缓轨道车速度的系统包括:制动器; 液压致动器使制动器在关闭位置之间移动,在该关闭位置,制动器对轨道车辆的车轮施加制动压力,并且制动器不在轨道车辆的车轮上施加制动压力的打开位置; 液压回路,包括第一歧管和第二歧管; 泵,构造成将液压流体泵送到第一歧管和第二歧管中的至少一个; 以及逻辑元件,其控制第一歧管中的流体的压力,使得当车轮进入制动器并迫使制动器朝向打开位置时。 逻辑元件反应以在第一歧管中保持选定的压力,从而使制动器的选定制动压力施加在轨道车辆的车轮上。
    • 2. 发明申请
    • TURBINE BLADE COOLING
    • 涡轮叶片冷却
    • US20100221123A1
    • 2010-09-02
    • US12394486
    • 2009-02-27
    • Dipankar PalJames E. Thompson
    • Dipankar PalJames E. Thompson
    • F01D5/18
    • F01D5/189Y02T50/673Y02T50/676
    • A turbine blade with a generally hollow airfoil having an outer wall that defines at least one radially extending chamber for receiving the flow of a coolant, the airfoil including a leading edge that resides in an upstream or forward direction, a trailing edge that resides in a downstream or aft direction, a convex suction side, and a concave pressure side, the turbine blade comprising: a plurality of inserts disposed within the chamber that are configured to initially receive at least a portion of the coolant entering the chamber and direct a substantial portion of the coolant through a plurality of insert apertures toward the inner surface of the outer wall; wherein the inserts are configured to form at least one inward bleed channel and a central collector passage into which the inward bleed channel flows.
    • 具有大致中空翼型件的涡轮机叶片具有限定用于接收冷却剂流动的至少一个径向延伸的室的外壁,所述翼型件包括位于上游或前进方向的前缘,其位于 下游或后方向,凸吸入侧和凹压侧,所述涡轮叶片包括:设置在所述室内的多个插入件,其构造成初始容纳进入所述室的冷却剂的至少一部分,并将大部分 的冷却剂通过多个插入孔朝向外壁的内表面; 其中所述插入件构造成形成至少一个向内排出通道和中心收集通道,所述向内排出通道流入所述中央收集通道。
    • 4. 发明授权
    • System and method for generating ultra wideband pulses
    • 用于产生超宽带脉冲的系统和方法
    • US07010056B1
    • 2006-03-07
    • US09685205
    • 2000-10-10
    • John W. McCorkleJames E. Thompson
    • John W. McCorkleJames E. Thompson
    • H04L27/04
    • H04B1/7172H04B1/7174H04B1/7183H04L27/0004
    • An ultra-wide band (UWB) waveform generator and encoder for use in a UWB digital communication system. The UWB waveform is made up of a sequence of shaped wavelets. The waveform generator produces multi-amplitude, multi-phase wavelets that are time-constrained, zero mean, and can be orthogonal in phase, yet still have a −10 dB power spectral bandwidth that is larger than the frequency of the peak of the power spectrum In one embodiment, the wavelets are bi-phase wavelets. The encoder multiplies each data bit by an n-bit identifying code, (e.g., a user code), resulting in a group of wavelets corresponding to each data bit. The identifying codeword is passed onto the UWB waveform generator for generation of a UWB waveform that can be transmitted via an antenna.
    • 用于UWB数字通信系统的超宽带(UWB)波形发生器和编码器。 UWB波形由一系列成形小波组成。 波形发生器产生时间约束,零均值,并且可以相位正交的多振幅多相小波,但仍然具有大于功率峰值的频率的-10dB功率谱带宽 频谱在一个实施例中,小波是双相小波。 编码器将每个数据位乘以n位识别码(例如,用户码),导致与每个数据比特相对应的一组小波。 识别码字被传送到UWB波形发生器,用于产生可以经天线发送的UWB波形。
    • 8. 发明授权
    • Dual polarized array antenna
    • 双极化阵列天线
    • US6067053A
    • 2000-05-23
    • US733399
    • 1996-10-18
    • Donald L. RunyonJames E. Thompson, Jr.James C. Carson
    • Donald L. RunyonJames E. Thompson, Jr.James C. Carson
    • H01Q1/24H01Q9/26H01Q21/08H01Q21/20H01Q21/24H01Q21/26
    • H01Q21/26H01Q1/246H01Q21/08H01Q21/205H01Q21/245H01Q9/26
    • A planar array antenna having radiating elements characterized by dual simultaneous polarization states and having substantially rotationally symmetric radiation patterns. A distribution network, which is connected to each dual polarized radiator, communicates the electromagnetic signals from and to each radiating element. A ground plane is positioned generally parallel to and spaced apart from the radiating elements by a predetermined distance. The conductive surface of the ground plane operates to image the radiating elements over a wide coverage area, thereby enabling a radiation pattern within an azimuth plane of the antenna to be independent of any quantity of radiating elements. Side walls, placed on each side of the array of radiators, can operate in tandem with the ground plane, to reduce the half-power beamwidth in the azimuth plane for a selected radiator design. A central polarization control network (PCN), which is connected to the distribution network, can control the polarization states of the received signals distributed via the distribution network by the radiating elements.
    • 一种具有辐射元件的平面阵列天线,其特征在于具有双重同时极化状态并且具有基本上旋转对称的辐射图案。 连接到每个双极化辐射器的分配网络将来自每个辐射元件的电磁信号传送到每个辐射元件。 接地平面大致平行于辐射元件并与辐射元件间隔开预定距离。 接地平面的导电表面用于在宽覆盖区域上对辐射元件进行成像,从而使天线方位平面内的辐射图与独立于任何数量的辐射元件无关。 放置在散热器阵列的每一侧的侧壁可以与接地平面一起工作,以减少所选散热器设计的方位平面中的半功率波束宽度。 连接到分配网络的中心极化控制网络(PCN)可以通过辐射元件来控制经由分配网络分配的接收信号的极化状态。