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    • 41. 发明申请
    • METHODS AND SYSTEMS FOR VALVE LEAK SIMULATION
    • 阀泄漏模拟的方法和系统
    • US20100162797A1
    • 2010-07-01
    • US12346471
    • 2008-12-30
    • Sean SummersBrian HowardRoger HalaJohn GrantDavid R. Van Wagenen
    • Sean SummersBrian HowardRoger HalaJohn GrantDavid R. Van Wagenen
    • G01M3/28F01C21/00
    • G01M3/2876F04B27/0451F04B27/1009G01M3/002
    • A method for simulating a compressor valve leak is described. The method includes inducing a flow of gas past a compressor valve that is coupled to a bypass block, wherein the bypass block defines a first passageway and a second passageway therein, and wherein the bypass block is also coupled to a bypass valve that is in flow communication with the second passageway. The method also includes measuring a first temperature and a second temperature. The first temperature is the temperature of the gas flowing through the first passageway of the bypass block and the second temperature is the temperature of gas flowing within the second passageway. The method also includes adjusting the bypass valve to divert a portion of the gas flowing through the second passageway to create temperature conditions substantially similar to conditions that are created due to a compressor valve leak.
    • 描述了一种用于模拟压缩机阀门泄漏的方法。 该方法包括引导气体流过连接到旁路块的压缩机阀,其中旁路块在其中限定第一通道和第二通道,并且其中旁路块还联接到流动的旁通阀 与第二条通道通讯。 该方法还包括测量第一温度和第二温度。 第一温度是流过旁通块的第一通道的气体的温度,第二温度是在第二通道内流动的气体的温度。 该方法还包括调节旁通阀以使流过第二通道的气体的一部分转向以产生基本上类似于由于压缩机阀泄漏而产生的条件的温度条件。
    • 43. 发明申请
    • Frequency rectification tool for shorter waveforms
    • 用于更短波形的频率整流工具
    • US20050248354A1
    • 2005-11-10
    • US10838459
    • 2004-05-04
    • Alexei PetchenevOlga MalakhovaJohn GrantNathan Littrell
    • Alexei PetchenevOlga MalakhovaJohn GrantNathan Littrell
    • G01R19/00G01R29/26G01R31/34G01V3/00
    • G01R31/343G01R19/0053
    • A method of detecting a signal (S) of interest contained within a waveform (F) comprised of a plurality of signals within a frequency spectrum, as well as random noise. After first detecting the waveform, a determination is made as to whether the duration (Td) of the waveform is sufficient for subsequent processing. If the duration is not sufficient, the waveform is concatenated with itself to produce a waveform of sufficient duration. The concatenated waveform is then processed and the results supplied as an input to an oscillator (24) operating at a nominal output frequency. The oscillator cancels the effects of noise in the waveform and the frequency of the oscillator shifts to a different frequency which is a function of the signal of interest. The shift in output frequency of the oscillator is detected and analyzed to obtain the signal of interest. The oscillator can be either a general purpose oscillator or a Van der Pol oscillator.
    • 一种检测包含在由频谱内的多个信号组成的波形(F)内的感兴趣信号(S)以及随机噪声的方法。 在首先检测波形之后,确定波形的持续时间(Td)是否足以用于后续处理。 如果持续时间不足,则波形与其自身连接以产生足够持续时间的波形。 然后对级联波形进行处理,并将结果作为输入提供给以标称输出频率工作的振荡器(24)。 振荡器抵消了波形中噪声的影响,并且振荡器的频率转移到与感兴趣的信号有关的不同频率。 检测并分析振荡器输出频率的偏移以获得感兴趣的信号。 振荡器可以是通用振荡器或Van der Pol振荡器。
    • 44. 发明申请
    • Close-fitting garment and method for avoiding shingles scratching
    • 紧身服装和避免木瓦搔痒的方法
    • US20050097653A1
    • 2005-05-12
    • US10986721
    • 2004-11-12
    • John Grant
    • John Grant
    • A41B9/06A41D13/12A41D13/04
    • A41B9/06A41D13/1245
    • The garment made of stretchable material is adapted for an upper part of a body. The garment has front and back sections and a hem; a front of the hem is provided with a pair of slits, while a back—with a pair of apertures. A lace for fastening the garment to the upper part of the body is used. This lace has a pair of ends and is adapted to encircle a waist and to interact with the pair of slits and apertures. The first and second ends, after exiting from the pair of slits, are manipulated so as to extend downwardly and brought under the crotch area and then up toward the back of the wearer. There, first and second ends are inserted into the pair of apertures, behind lace, then brought forward, stretched and tied together.
    • 由可拉伸材料制成的衣服适用于身体的上部。 服装有前后部分和下摆; 下摆的前部设置有一对狭缝,而后面带有一对孔。 使用用于将衣服紧固到身体上部的花边。 这种花边具有一对端部,并且适于环绕腰部并与该对狭缝和孔相互作用。 第一和第二端在从一对狭缝中排出之后被操纵以向下延伸并且在裆部区域下方然后向上朝着穿着者的背部。 在那里,第一和第二端被插入到一对孔中,在花边之后,然后向前,拉伸和捆绑在一起。
    • 49. 发明授权
    • Marine threat monitoring and defense system
    • 海洋威胁监测与防御体系
    • US08612129B2
    • 2013-12-17
    • US13477733
    • 2012-05-22
    • Joseph R. GagliardiDes FlynnJohn Grant
    • Joseph R. GagliardiDes FlynnJohn Grant
    • G01S13/00G05D1/02
    • G08G3/02B63B43/18B63B2211/06B63J2099/006
    • A marine threat monitoring and defense system and method protects a target vessel in icy or other marine regions. The system uses communications, user interfaces, and data sources to identify marine obstacles (e.g., icebergs, ice floes, pack ice, etc.) near a target vessel performing set operations (e.g., a stationed structure performing drilling or production operations or a seismic survey vessel performing exploration operations with a planned route). The system monitors positions of these identified marine obstacles over time relative to the target vessel and predicts any potential threats. When a threat is predicted, the system plans deployment of support vessels, beacons, and the like to respond to the threat. For example, the system can direct a support vessel to divert the path or break up ice threatening the target vessel.
    • 海洋威胁监测和防御系统和方法保护目标船只在冰冷或其他海洋地区。 该系统使用通信,用户界面和数据源来识别执行设定操作的目标船舶附近的海洋障碍(例如,冰山,冰川,包冰等)(例如,执行钻井或生产操作的驻地结构或地震 勘测船舶按照规划路线进行勘探作业)。 该系统监测这些识别的海洋障碍物相对于目标船只的位置,并预测任何潜在的威胁。 当预测到威胁时,系统计划部署支持船只,信标等来应对威胁。 例如,该系统可以引导支撑船只转移路径或破坏威胁目标船的冰。
    • 50. 发明授权
    • Microphone adaptor for altering the geometry of a microphone without altering its frequency response characteristics
    • 用于改变麦克风几何形状的麦克风适配器,而不改变其频率响应特性
    • US08116499B2
    • 2012-02-14
    • US12321624
    • 2009-01-23
    • John GrantAntonino Correlli
    • John GrantAntonino Correlli
    • H04R1/38
    • H04R1/2807
    • A method of improving the “tight space” usefulness of a unidirectional microphone of the type having an otherwise screw-together headpiece and handle, includes the steps of: (a) fabricating an adapter having male- and female-threaded ends and a cavity of a specified volume that extends between these ends, and where each of these ends has a centerline and these intersect at a prescribed angle, (b) fabricating the adapter's cavity so that its volume is approximately equivalent to that of the volume of handle's acoustic chamber, and (c) connecting the adapter's male-threaded end to the handle and its female-threaded end to the headpiece in such a manner as to not appreciably change the frequency response characteristics of the microphone.
    • 一种改进具有其它螺旋固定头盔和手柄的单向麦克风的“紧密空间”用途的方法包括以下步骤:(a)制造具有阳螺纹端和内螺纹端的适配器, 在这些端部之间延伸的特定体积,并且其中每个端部具有中心线并且这些端部以规定的角度相交,(b)制造适配器的空腔使得其体积大致相当于手柄的声学室的体积, 和(c)以适当方式改变麦克风的频率响应特性的方式将适配器的阳螺纹端与手柄及其内螺纹端连接到头盔。