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    • 111. 发明授权
    • Method for controlling fluid flow through a compressed fluid system
    • 控制通过压缩流体系统的流体流动的方法
    • US6123510A
    • 2000-09-26
    • US16590
    • 1998-01-30
    • Mark R. GreerJames D. MehaffeyDarrell F. Murray
    • Mark R. GreerJames D. MehaffeyDarrell F. Murray
    • F04B49/00
    • F04B49/065F04C28/24F04B2205/01F04B2205/09F04C18/16F04C2220/10F04C2270/185F04C2270/20F04C2270/42
    • A method for controlling the supply flow through a compressed fluid system having a fluid compressor with a inlet valve, and a host system in signal receiving relation with a supply flow sensor and in signal transmitting relation with a compressor controller. The method includes the following steps: sensing the actual compressed fluid supply flow, sending a first signal representing the actual compressed fluid supply flow from the flow sensor to the host system, sending a second signal, with a current corresponding to the required predetermined required inlet vacuum, from the host system to the compressor controller, sensing the actual vacuum at the fluid compressor inlet, and comparing the actual vacuum at the fluid compressor inlet to a predetermined target vacuum required to produce the desired supply flow through the compressed fluid system, and if the predetermined target vacuum is greater than the actual vacuum, performing the additional step of closing the inlet valve until the actual vacuum is substantially equal to the predetermined target vacuum and if the predetermined target vacuum is less than the actual vacuum, performing the additional step of opening the inlet valve until the actual vacuum is substantially equal to the predetermined target vacuum.
    • 一种用于控制通过具有带入口阀的流体压缩机的压缩流体系统的供给流的方法,以及与供给流量传感器处于信号接收关系并与压缩机控制器的信号传输关系的主机系统。 该方法包括以下步骤:感测实际的压缩流体供应流,将表示实际压缩流体供应流的第一信号从流量传感器发送到主机系统,发送第二信号,其中电流对应于所需的预定要求的入口 从主机系统到压缩机控制器的真空,感测流体压缩机入口处的实际真空,并将流体压缩机入口处的实际真空度与产生通过压缩流体系统的期望供应流所需的预定目标真空进行比较,以及 如果预定目标真空度大于实际真空度,执行关闭入口阀的附加步骤,直到实际真空基本上等于预定目标真空,并且如果预定目标真空小于实际真空,则执行附加步骤 打开入口阀,直到实际真空基本上等于前置 终止目标真空。
    • 113. 发明授权
    • Enclosure having a resilient cover
    • 外壳具有弹性盖
    • US6017083A
    • 2000-01-25
    • US212300
    • 1998-12-16
    • Peter Edgeller
    • Peter Edgeller
    • B62D25/10B62D63/06B60P7/02
    • B62D63/06B62D25/10
    • An enclosure has an outer surface and an inner surface and an opening extending between the outer and inner surfaces. The outer surface of the enclosure includes a curved region surrounding the opening; the curved region having a radius. The enclosure includes a resilient cover which is hingedly secured to the enclosure for selectively covering the opening. The resilient cover moves between a first open position and a second closed position. The resilient cover is molded to normally have a first radius which is greater than the radius of the curved region of the enclosure. When in the first open position, the resilient cover defines an arch having the first radius. When in the second closed position, the resilient cover is compressed and flexes so as to conform to the shape of the curved region of the enclosure. Thus, in the second closed position, the resilient cover defines an arch having a second radius which is smaller than the first radius. The resilient cover may be held in place using a securing element. When the securing element is placed in an unlocked position, the resilient cover is capable of springing open and transforming back to its natural shape.
    • 外壳具有外表面和内表面以及在外表面和内表面之间延伸的开口。 外壳的外表面包括围绕开口的弯曲区域; 弯曲区域具有半径。 所述外壳包括弹性盖,所述弹性盖铰接地固定到所述外壳以选择性地覆盖所述开口。 弹性盖在第一打开位置和第二关闭位置之间移动。 弹性盖被模制成通常具有大于外壳的弯曲区域的半径的第一半径。 当处于第一打开位置时,弹性盖限定具有第一半径的拱。 当处于第二关闭位置时,弹性盖被压缩并弯曲以符合外壳的弯曲区域的形状。 因此,在第二关闭位置,弹性盖限定具有小于第一半径的第二半径的拱。 可以使用固定元件将弹性盖保持就位。 当固定元件处于未锁定位置时,弹性盖能够弹开并转回其自然形状。
    • 114. 发明授权
    • Drill rod position stabilizing device
    • 钻杆位置稳定装置
    • US5988298A
    • 1999-11-23
    • US931678
    • 1997-09-16
    • Eugene Y. T. ChengJ. George Land, III
    • Eugene Y. T. ChengJ. George Land, III
    • E21B19/24B23Q5/00
    • E21B19/24
    • A drilling device has a drilling mast and a movable drifter thereon with a drill rod stabilizing device for stabilizing drill rods in position during drilling. The stabilizer travels along the mast along with the drifter, and includes a locking arm that automatically opens and closes the stabilizer to allow passage of drill rods into an out of the drill line from storage, while supporting the drill rods during drilling. In a substantially vertical drilling position, the stabilizer is moved downwardly by gravity, and upwardly by the drifter's drive chain, which is retained in contact with the stabilizer by a pick-up link on the drive chain contacting stop blocks on the stabilizer. In a substantially horizontal drilling position, the stabilizer is moved in a return direction by the pick-up link and stop block combination. The stabilizer is advanced in the opposite direction by the drifter's pick-up link, which is retained in contact with the stabilizer by a pair of spaced-apart rollers on the stabilizer that frictionally contact and retain the pick-up link and stabilizer together.
    • 钻井装置具有钻桅杆和其上的可移动漂流器,其具有用于在钻井期间将钻杆稳定在适当位置的钻杆稳定装置。 稳定器沿着桅杆与漂移器一起行进,并且包括锁定臂,其自动地打开和关闭稳定器,以允许钻杆从存储器通过钻出线,同时在钻孔期间支撑钻杆。 在基本垂直的钻孔位置,稳定器通过重力向下移动,并且由漂移器的驱动链向上移动,该驱动链通过传动链上的拾起连杆与稳定器保持接触,接触稳定器上的止动块。 在大致水平的钻孔位置,稳定器通过拾取连杆和挡块组合在返回方向上移动。 稳定器通过漂移器的拾取连杆在相反方向前进,该连接杆通过稳定器上的一对隔开的辊保持与稳定器接触,摩擦接触并将拾取连杆和稳定器保持在一起。
    • 115. 发明授权
    • Method for modulation lag compressor in multiple compressor system
    • 多压缩机系统中调制滞后压缩机的方法
    • US5967761A
    • 1999-10-19
    • US892839
    • 1997-07-15
    • James D. Mehaffey
    • James D. Mehaffey
    • F04B49/06F04B49/00
    • F04B49/065F04B2203/0209F04B2203/0214F04B2205/171
    • A method for controlling modulation of at least one compressor in a compressor system includes the steps of providing a host controller including a microprocessor for controlling overall operation of the compressor system. The host controller includes a microprocessor and memory for storing system values and transmitting load, unload and modulation commands to the at least one compressor. The at least one compressor includes a compressor controller having a microprocessor in communication with the host controller, a discharge port for discharging compressed fluid from the compressor, and a pressure sensor in communication with the discharge port for sensing the pressure of the compressed fluid discharged therefrom. The sensor is in signal sending relation with the compressor controller. The method also includes transmitting a modulation command from the host controller to the compressor controller of the at least one compressor upon the occurrence of a predetermined event. After the at least one compressor receives the modulation signal, the local controller establishes a modulation range for the at least one compressor including sensing the pressure of the compressed fluid discharged from the at least one compressor, transmitting the sensed pressure signal to the compressor controller of the at least one compressor, and establishing the modulation range of the at least one compressor based upon the sensed pressure signal.
    • 一种用于控制压缩机系统中的至少一个压缩机的调制的方法,包括提供主控制器的步骤,该控制器包括用于控制压缩机系统的整体操作的微处理器。 主机控制器包括微处理器和用于存储系统值并将负载,卸载和调制命令发送到至少一个压缩机的存储器。 所述至少一个压缩机包括具有与所述主机控制器通信的微处理器的压缩机控制器,用于从所述压缩机排出压缩流体的排出口以及与所述排出口连通的用于感测从其排出的压缩流体的压力的压力传感器 。 传感器与压缩机控制器处于信号发送关系。 该方法还包括在发生预定事件时从主机控制器向至少一个压缩机的压缩机控制器发送调制命令。 在所述至少一个压缩机接收到所述调制信号之后,所述局部控制器建立所述至少一个压缩机的调制范围,包括感测从所述至少一个压缩机排出的压缩流体的压力,将感测到的压力信号传送到压缩机控制器 所述至少一个压缩机,以及基于所感测的压力信号建立所述至少一个压缩机的调制范围。
    • 117. 发明授权
    • Soil compactor and traction control system thereon
    • 土壤压实机和牵引力控制系统
    • US5915492A
    • 1999-06-29
    • US85315
    • 1998-05-26
    • Steve K. YatesEdward D. MagalskiKeith Williams
    • Steve K. YatesEdward D. MagalskiKeith Williams
    • B60K17/356B60K23/08E02D3/026B60K28/16
    • E02D3/026B60K17/356B60K23/0808
    • An earth compactor is propelled by a hydraulic circuit that includes a first hydraulic motor to drive a drum member and a second hydraulic motor to drive a tractor member mounted on tires, with a traction control system that includes a motor speed sensing device on each hydraulic motor. The speed sensing devices transmit electrical signals to a microcontroller, which compares the speeds and varies the speed of the tires or drum to maintain a preselected ratio between the two, thereby maintaining traction of both members. The compactor includes a ground slope sensing device which generates electrical signals and transmits the signals to the microcontroller such that, whenever the tires become elevated above the drum, the microcontroller lowers the speed of the tires and the drum to prevent tire hop.
    • 地面压实机由液压回路驱动,该液压回路包括第一液压马达以驱动鼓构件和第二液压马达以驱动安装在轮胎上的拖拉机构件,牵引控制系统包括每个液压马达上的马达速度检测装置 。 速度感测装置将电信号传送到微控制器,其比较速度并改变轮胎或滚筒的速度以保持两者之间的预选比率,从而保持两个构件的牵引力。 压实机包括一个产生电信号并将信号发送到微控制器的接地坡度感测装置,使得每当轮胎升高到滚筒上方时,微控制器降低轮胎和滚筒的速度以防止轮胎跳跃。
    • 118. 发明授权
    • Adjustable lifting bail for fluid compressor
    • 流体压缩机可调提升吊环
    • US5887922A
    • 1999-03-30
    • US949797
    • 1997-10-14
    • Dean P. HendrixGordon M. Day
    • Dean P. HendrixGordon M. Day
    • B66C1/62
    • B66C1/62
    • A lifting bail adapted to be made integral with a machine having a center of gravity includes a lift eye plate located substantially near the machine center of gravity, a first locator member having openings for locating the lift eye plate substantially near the machine center of gravity and a second locator member having openings for locating the lift eye plates substantially near the machine center of gravity. The openings for locating the lift eye plate relative to the center of gravity are oriented along the first and second locator members so that when the first and second locator members are made integral with the machine, the openings are aligned and thereby provide the location for the lift eye plates substantially near the machine center of gravity.
    • 一种适于与具有重心的机器一体形成的提升吊包括基本上位于机器重心附近的提升眼板,具有用于将提升眼板基本上靠近机器重心定位的开口的第一定位器构件,以及 第二定位器构件具有开口,用于基本上靠近机器重心定位提升眼板。 用于将提升眼板相对于重心定位的开口沿着第一和第二定位器构件定向,使得当第一和第二定位器构件与机器成一体时,开口对准,从而为 提升眼睛板大致接近机器重心。