Drill pipe
    1.
    发明授权
    Drill pipe 失效
    钻管

    公开(公告)号:US5713423A

    公开(公告)日:1998-02-03

    申请号:US834153

    申请日:1997-04-14

    CPC分类号: F16L9/18 E21B17/00

    摘要: A drill pipe (10, 100, 220, 200, 210, 250) is disclosed which includes a cylindrical pipe section (12), a box end (14), a pin end (16) and a hydraulic hose assembly (202, 18) or tube (212, 90, 260) inserted between the box and pin ends and extending within the cylindrical pipe section. All, or the majority of drilling fluid passes through the hydraulic hose assembly (202, 18) or tube (212, 90, 260). The interior surface of the cylindrical pipe section (12) may or may not be exposed to the drilling fluid but any corrosion generated by metal-to-fluid contact is generally trapped between the hose or tube and the pipe section. The reduced volume of the hydraulic hose assembly (202, 18) or tube (212, 90, 260) relative to conveying the drilling fluid through the interior of the cylindrical pipe section reduces significantly the waste of drilling fluid, allows the fluid to be pressurized more rapidly to initiate drilling operation, and limits fluid spill damage to the environment.

    摘要翻译: 公开了一种钻管(10,100,220,200,210,250),其包括圆柱形管段(12),箱体端部(14),销端部(16)和液压软管组件(202,18) )或管(212,90,260),其插入盒和销端之间并在圆柱形管段内延伸。 所有或大部分钻井液通过液压软管组件(202,18)或管(212,90,260)。 圆筒形管部分(12)的内表面可以暴露于钻井液体中,也可能不会暴露于钻井液体中,但是通过金属对流体接触产生的任何腐蚀通常都被夹在软管或管道与管道部分之间。 液压软管组件(202,18)或管(212,90,260)相对于输送钻井液体通过圆柱形管段的内部而减小的体积大大降低了钻井液的浪费,允许流体被加压 更快地启动钻井作业,并限制对环境的流体溢出损害。

    Digging tooth and teeth arrayed in combination with endless excavating
chain
    2.
    发明授权
    Digging tooth and teeth arrayed in combination with endless excavating chain 失效
    挖掘牙齿与无数挖掘链结合排列

    公开(公告)号:US4924609A

    公开(公告)日:1990-05-15

    申请号:US282518

    申请日:1988-12-12

    申请人: J. Scott Martin

    发明人: J. Scott Martin

    IPC分类号: E02F3/14 E02F5/02 E02F9/28

    摘要: An L-shaped digging tooth includes a trapezoidally configured shank having inner and outer sides. A toe portion projects laterally from one of its edges. An angle of about 90.degree..+-.30.degree. is defined between the general plane of the toe portion and the plane of the shank. The shank and toe portion terminate in a common, continuous cutting edge of L or V-shaped configuration having a convex outer boundary and a concave inner boundary. This cutting edge intersects at a leading cutter point, a free inner edge of the toe portion which extends along a line convergent with the shank portion plane. The tooth is hard-faced over a zone adjacent the common leading edge. The invention further relates to an endless chain excavating assembly which includes the described L-shaped teeth arrayed in a specific sequence with, and geometric relationship to, cup-shaped teeth of a known type, with both secured at spaced intervals to an endless chain.

    POSITIVE SHUTOFF DEVICE FOR A CONNECTION POINT OF A REFRIGERATION SYSTEM
    4.
    发明申请
    POSITIVE SHUTOFF DEVICE FOR A CONNECTION POINT OF A REFRIGERATION SYSTEM 有权
    制冷系统连接点的正向开关装置

    公开(公告)号:US20100180617A1

    公开(公告)日:2010-07-22

    申请号:US12355558

    申请日:2009-01-16

    申请人: J. Scott Martin

    发明人: J. Scott Martin

    IPC分类号: F25D23/00 F25B1/00 F16L29/00

    CPC分类号: F25B45/00 F16L55/1108

    摘要: A positive shutoff device is provided for a connection point of a refrigeration system. The connection point includes a manually-actuatable valve that permits charging and testing of the system. The device includes a first fitting engagable with the connection point and having a raised actuator that actuates the manually-actuatable valve when the first fitting engages the connection point, and a shutoff valve having a first end coupled to the first fitting and a second end coupled to a second fitting, the shutoff valve is operable in a closed position to prevent flow therethrough and an open position to permit flow therethrough, so that the refrigeration system may be charged or tested by connecting equipment to the second fitting and opening the shutoff valve, and the connection point may be positively shut off to prevent leakage of refrigerant through the connection point by closing the shutoff valve.

    摘要翻译: 为制冷系统的连接点设置正向切断装置。 连接点包括一个可手动启动的阀门,可以对系统进行充电和测试。 所述装置包括与所述连接点可接合的第一配件,并具有升高的致动器,当所述第一配件接合所述连接点时致动所述手动致动阀;以及截止阀,其具有联接到所述第一配件的第一端, 在第二配件中,截止阀可在关闭位置操作以防止流过其中并且允许流过其中的打开位置,使得可以通过将设备连接到第二配件并打开截止阀来对制冷系统进行充电或测试, 并且连接点可以被正确地切断,以防止制冷剂通过关闭截止阀而通过连接点泄漏。

    MODULAR CO2 REFRIGERATION SYSTEM
    5.
    发明申请
    MODULAR CO2 REFRIGERATION SYSTEM 有权
    模块化二氧化碳制冷系统

    公开(公告)号:US20100031697A1

    公开(公告)日:2010-02-11

    申请号:US12187957

    申请日:2008-08-07

    IPC分类号: F25B1/00 F25B27/00

    摘要: A cascade CO2 refrigeration system includes a medium temperature loop for circulating a medium refrigerant and a low temperature loop for circulating a CO2 refrigerant. The medium temperature loop includes a heat exchanger having a first side and a second side. The first side evaporates the medium temperature refrigerant. The low temperature loop includes a discharge header for circulating the CO2 refrigerant through the second side of the heat exchanger to condense the CO2 refrigerant, a liquid-vapor separator collects liquid CO2 refrigerant and directs vapor CO2 refrigerant to the second side of the heat exchanger. A liquid CO2 supply header receives liquid CO2 refrigerant from the liquid-vapor separator. Medium temperature loads receive liquid CO2 refrigerant from the liquid supply header for use as a liquid coolant at a medium temperature. An expansion device expands liquid CO2 refrigerant from the liquid supply header into a low temperature liquid-vapor mixture for use by the low temperature loads.

    摘要翻译: 级联CO2制冷系统包括用于循环中等制冷剂的中温回路和用于循环CO 2制冷剂的低温回路。 介质温度回路包括具有第一侧和第二侧的热交换器。 第一面蒸发中温制冷剂。 低温回路包括用于使CO 2制冷剂循环通过热交换器的第二侧的排放头,以冷凝CO 2制冷剂,液 - 气分离器收集液态CO 2制冷剂并将蒸气CO 2制冷剂引导至热交换器的第二侧。 液体CO 2供应头从液 - 气分离器接收液体CO 2制冷剂。 中等温度负载从液体供应头接收液体CO2制冷剂,以在中等温度下用作液体冷却剂。 膨胀装置将液体CO 2制冷剂从液体供应集管扩展成低温液体 - 蒸气混合物,以供低温负荷使用。

    Mining apparatus for utilization in recovering coal
    6.
    发明授权
    Mining apparatus for utilization in recovering coal 失效
    采矿设备利用回收煤

    公开(公告)号:US4906133A

    公开(公告)日:1990-03-06

    申请号:US286328

    申请日:1988-12-19

    申请人: J. Scott Martin

    发明人: J. Scott Martin

    IPC分类号: E21D23/00

    CPC分类号: E21D23/0004

    摘要: A mining apparatus for utilization in recovering coal includes a series of four cooperating legs: a right fore leg, left fore leg, right rear leg and left rear leg. Each leg is formed from a box-like shield. An inflatable bag is provided in each leg. When a particular bag is inflated, the bag expands extending the leg between the floor and roof of the mine. When deflated, the leg retracts. A series of hydraulic rams connect the legs together. These rams may be expanded and retracted as desired to move the support legs relative to one another. In this way the apparatus may be moved in substantially any direction about a 360.degree. arc. A microprocessor controller controls the operation of the apparatus. In accordance with further aspects of the invention, a number of mining apparatus of the type described may be connected together in series to form a line for roof support. In addition, one or more of the apparatus may be connected to a coal conveyor or other mining equipment such as a pneumatic breaker to provide propulsion.

    摘要翻译: 利用回采煤的采矿设备包括一系列四条合作腿:右前腿,左前腿,右后腿和左后腿。 每条腿都是由一个盒状的盾构成。 在每条腿上设置一个充气袋。 当特定的袋子膨胀时,袋子扩展腿部在地板和矿山的顶部之间延伸。 当放气时,腿缩回。 一系列液压柱塞将腿连接在一起。 这些柱塞可根据需要膨胀和缩回以相对于彼此移动支撑腿。 以这种方式,装置可以围绕360°弧的基本上任何方向移动。 微处理器控制器控制设备的操作。 根据本发明的另外的方面,可以将所述类型的许多采矿设备串联连接在一起以形成屋顶支撑线。 此外,一个或多个设备可以连接到煤输送机或其他采矿设备,例如气动断路器以提供推进。

    Modular CO2 refrigeration system
    7.
    发明授权
    Modular CO2 refrigeration system 有权
    模块式CO2制冷系统

    公开(公告)号:US08631666B2

    公开(公告)日:2014-01-21

    申请号:US12187957

    申请日:2008-08-07

    IPC分类号: F25B7/00 F25B43/00

    摘要: A cascade CO2 refrigeration system includes a medium temperature loop for circulating a medium refrigerant and a low temperature loop for circulating a CO2 refrigerant. The medium temperature loop includes a heat exchanger having a first side and a second side. The first side evaporates the medium temperature refrigerant. The low temperature loop includes a discharge header for circulating the CO2 refrigerant through the second side of the heat exchanger to condense the CO2 refrigerant, a liquid-vapor separator collects liquid CO2 refrigerant and directs vapor CO2 refrigerant to the second side of the heat exchanger. A liquid CO2 supply header receives liquid CO2 refrigerant from the liquid-vapor separator. Medium temperature loads receive liquid CO2 refrigerant from the liquid supply header for use as a liquid coolant at a medium temperature. An expansion device expands liquid CO2 refrigerant from the liquid supply header into a low temperature liquid-vapor mixture for use by the low temperature loads.

    摘要翻译: 级联CO2制冷系统包括用于循环中等制冷剂的中温回路和用于循环CO 2制冷剂的低温回路。 介质温度回路包括具有第一侧和第二侧的热交换器。 第一面蒸发中温制冷剂。 低温回路包括用于使CO 2制冷剂循环通过热交换器的第二侧的排放头,以冷凝CO 2制冷剂,液 - 气分离器收集液态CO 2制冷剂并将蒸气CO 2制冷剂引导至热交换器的第二侧。 液体CO 2供应头从液 - 气分离器接收液体CO 2制冷剂。 中等温度负载从液体供应头接收液体CO2制冷剂,以在中等温度下用作液体冷却剂。 膨胀装置将液体CO 2制冷剂从液体供应集管扩展成低温液体 - 蒸气混合物,以供低温负荷使用。

    Positive shutoff device for a connection point of a refrigeration system
    8.
    发明授权
    Positive shutoff device for a connection point of a refrigeration system 有权
    用于制冷系统连接点的正切断装置

    公开(公告)号:US08302411B2

    公开(公告)日:2012-11-06

    申请号:US12355558

    申请日:2009-01-16

    申请人: J. Scott Martin

    发明人: J. Scott Martin

    IPC分类号: F25B45/00

    CPC分类号: F25B45/00 F16L55/1108

    摘要: A positive shutoff device is provided for a connection point of a refrigeration system. The connection point includes a manually-actuatable valve that permits charging and testing of the system. The device includes a first fitting engagable with the connection point and having a raised actuator that actuates the manually-actuatable valve when the first fitting engages the connection point, and a shutoff valve having a first end coupled to the first fitting and a second end coupled to a second fitting, the shutoff valve is operable in a closed position to prevent flow therethrough and an open position to permit flow therethrough, so that the refrigeration system may be charged or tested by connecting equipment to the second fitting and opening the shutoff valve, and the connection point may be positively shut off to prevent leakage of refrigerant through the connection point by closing the shutoff valve.

    摘要翻译: 为制冷系统的连接点设置正向切断装置。 连接点包括一个可手动启动的阀门,可以对系统进行充电和测试。 所述装置包括与所述连接点可接合的第一配件,并具有升高的致动器,当所述第一配件接合所述连接点时致动所述手动致动阀,以及截止阀,其具有联接到所述第一配件的第一端和第二端 在第二配件中,截止阀可在关闭位置操作以防止流过其中并且允许流过其中的打开位置,使得可以通过将设备连接到第二配件并打开截止阀来对制冷系统进行充电或测试, 并且连接点可以被正确地切断,以防止制冷剂通过关闭截止阀而通过连接点泄漏。

    Digging chain
    9.
    发明授权
    Digging chain 失效
    挖链

    公开(公告)号:US5533939A

    公开(公告)日:1996-07-09

    申请号:US344654

    申请日:1994-11-18

    IPC分类号: E02F3/14 E02F3/08

    CPC分类号: E02F3/143

    摘要: A cutting chain is provided which includes facing inner side bars (12) and outside members (14) which have substantially the same height. Further, the leading inner ends of the inner side bars (12) and the trailing inner end of the outside members (14) have a reduced radius to increase wear life while giving the chain a preferred direction of travel.

    摘要翻译: 提供了一种切割链,其包括面向内侧杆(12)和具有基本上相同高度的外部构件(14)。 此外,内侧杆(12)的前端内端和外部构件(14)的后端内端具有减小的半径以增加磨损寿命,同时给予链条优选的行进方向。