Reciprocable pump
    11.
    发明授权
    Reciprocable pump 失效
    可互换泵

    公开(公告)号:US4467703A

    公开(公告)日:1984-08-28

    申请号:US411932

    申请日:1982-08-26

    CPC classification number: F04B53/162 F04B53/00

    Abstract: The present invention involves improvements in reciprocable pumps. In one aspect, applicable to single action pumps, a quick release mounting means is provided for attaching a fluid end piece to a power frame. The frame has a tapered opening for receiving a barrel portion of the fluid end therein. A wedge device of mateable taper with the opening connects the barrel securely to the frame. The wedge extends around the transverse outer periphery of the barrel portion. Another aspect of the invention involves providing axially rotatable intake or exhaust manifolds. In a multiplex pump, the manifold may be rotatable as a unit, or the section for each conduit may be separately rotatable. This feature permits easier handling when making repairs, especially on larger pumps. Finally, in pumps having non-vertical suction or discharge passages, the valve counterbores are tilted toward a vertical direction, but not more than an angle at which straight-line machining of the suction or discharge passage is still possible. The more nearly vertical alignment of the valves reduces wear during service. This feature is especially applicable to fluid ends having suction and discharge passages which are equiangular with respect to a piston or plunger passage.

    Abstract translation: 本发明涉及可往复泵的改进。 在一个方面,适用于单作用泵,提供了用于将流体端件附接到动力框架的快速释放安装装置。 框架具有用于在其中容纳流体端部的桶部分的锥形开口。 具有开口的可配合锥形的楔形装置将筒牢固地连接到框架。 楔形物围绕筒部的横向外周延伸。 本发明的另一方面涉及提供可轴向旋转的进气歧管或排气歧管。 在多路复用泵中,歧管可以作为一个单元旋转,或者每个导管的部分可以是可分开的。 此功能允许在进行维修时更容易处理,特别是在较大的泵上。 最后,在具有非垂直吸入或排出通道的泵中,阀沉孔朝向垂直方向倾斜,但不得大于其中仍然可能进行吸入或排出通道的直线加工的角度。 阀门越接近垂直对齐,减少了维修过程中的磨损。 该特征特别适用于具有相对于活塞或柱塞通道等角度的吸入和排出通道的流体端。

    Systems for Retarding the Speed of a Railcar
    12.
    发明申请
    Systems for Retarding the Speed of a Railcar 有权
    减轻铁路车辆速度的系统

    公开(公告)号:US20110315491A1

    公开(公告)日:2011-12-29

    申请号:US13117217

    申请日:2011-05-27

    CPC classification number: B61K7/08

    Abstract: 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.

    Abstract translation: 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。

    TURBINE BLADE COOLING
    13.
    发明申请
    TURBINE BLADE COOLING 有权
    涡轮叶片冷却

    公开(公告)号:US20100221123A1

    公开(公告)日:2010-09-02

    申请号:US12394486

    申请日:2009-02-27

    CPC classification number: F01D5/189 Y02T50/673 Y02T50/676

    Abstract: 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.

    Abstract translation: 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。

    System and method for generating ultra wideband pulses
    15.
    发明授权
    System and method for generating ultra wideband pulses 失效
    用于产生超宽带脉冲的系统和方法

    公开(公告)号:US07010056B1

    公开(公告)日:2006-03-07

    申请号:US09685205

    申请日:2000-10-10

    CPC classification number: H04B1/7172 H04B1/7174 H04B1/7183 H04L27/0004

    Abstract: 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.

    Abstract translation: 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。

    Descending bed filter
    17.
    发明授权
    Descending bed filter 失效
    降序床过滤器

    公开(公告)号:US06517712B2

    公开(公告)日:2003-02-11

    申请号:US09966317

    申请日:2001-09-27

    Abstract: An improved vertical filtration unit which includes an airlift and a washbox designed for more efficient washing of dirt particles from the filtration material. The washbox consists of a filter media shield, and a washbox skirt for washing of the filtration material. A throttling valve on the wash water discharge line regulates the overall cleaning rate of the unit. The filtered liquid is discharged via a riser pipe which feeds into a filtered liquid box before exiting the filtration unit.

    Abstract translation: 改进的垂直过滤单元,其包括空气提升和设计用于更有效地从过滤材料洗涤污垢颗粒的洗涤箱。 洗衣盒由过滤介质护罩和用于洗涤过滤材料的洗脸盆裙组成。 洗涤水排放管上的节流阀调节整体清洁率。 过滤的液体通过提升管排出,该提升管在离开过滤单元之前进入过滤的液体箱中。

    Wall assembly
    18.
    发明授权
    Wall assembly 失效
    墙组装

    公开(公告)号:US5299405A

    公开(公告)日:1994-04-05

    申请号:US926238

    申请日:1992-08-06

    CPC classification number: E04C2/322 Y10T29/49879

    Abstract: A wall assembly used in the construction of passenger boarding bridges or other box type structures. The wall assembly includes an exterior panel with V-shaped folds or corrugations and a vertical flange on the end of each panel for attachment to adjacent panels.

    Abstract translation: 用于建造乘客登机桥或其他箱型结构的墙体组件。 墙壁组件包括具有V形折叠或波纹的外部面板和在每个面板的端部上的垂直凸缘,用于附接到相邻的面板。

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