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    • 1. 发明申请
    • 極低温環境用転がり軸受
    • 滚动轴承用于极端低温环境
    • WO2017043445A1
    • 2017-03-16
    • PCT/JP2016/076014
    • 2016-09-05
    • NTN株式会社
    • 石田 昌幸
    • F16C33/66F04D7/02F16C19/06F16C33/38F04D29/056
    • F04D7/02F04D29/056F16C19/06F16C33/38F16C33/66
    • フッ素樹脂系成形体からなる保持器(4)を設けた深溝玉軸受(A)からなる転がり軸受であり、保持器(4)は、本体部分がリング状の保持器(4)を周方向に分割した複数のセパレータ型の保持器片(5)を環状の軸受側板(6)にねじ(7)で固定して一体に連結し、保持器片(5)には外輪(2)の内周側の軌道面(2a)に向かって突出し、保持器片(5)の周方向に沿って延びる線条形の突部(5a)を軌道面に接触可能な高さに設けた極低温環境用の転がり軸受であり、保持器片(5)に設けた突部(5a)が、軌道面(2a)に接触可能であるから、フッ素樹脂がボール(3)を経由して軌道面(2a)に移着して効率よく潤滑する。
    • 本发明提供一种用于极低温环境的滚动轴承,该滚动轴承包括设置有由氟树脂成型体制成的保持器(4)的深沟球轴承(A),其中,所述保持器(4)由多个分离器型保持器 在圆周方向上通过用螺钉(7)固定而将具有环形主体部分的保持器(4)分隔成一体地连接到环形轴承侧板(6)的片(5) 5)设置有在外圈(2)的内周侧朝向滚道面(2a)突出并沿着保持片(5)的周向延伸的线状突起(5a),高度 允许与滚道面接触。 由于设置在保持片(5)上的突起(5a)能够接触滚道面(2a),所以氟树脂通过球(3)传递而有效地润滑滚道面(2a)。
    • 3. 发明申请
    • VARIABLE CAPACITY CENTRIFUGAL PUMP ASSEMBLY
    • 可变能力离心泵组件
    • WO2015140608A1
    • 2015-09-24
    • PCT/IB2014/065960
    • 2014-11-11
    • WESTERN OILFIELDS SUPPLY COMPANY
    • IRWIN, Christopher
    • F04D1/04F04D29/66
    • F04D29/4293F04D1/00F04D7/02F04D9/004F04D15/0027F04D29/4273
    • A variable capacity centrifugal pump assembly including a bearing housing, an impeller shaft rotatably mounted within the bearing housing and projecting therefrom, a volute circumscribing a cavity therein, a plurality of differently sized impellers for mounting on the impeller shaft within the cavity, a wear plate secured to the bearing housing and a volute and defining a downstream end portion of the cavity, a plurality of differently configured annular front covers for mounting to an upstream end of the volute for varying the size and configuration of the cavity to accommodate one of a selected plurality of differently sized impellers. The suction intake is mounted to the upstream end of the selected cover for communicating the pipe assembly with inlet hoses of varying size whereby the capacity of the pump assembly can be varied by the selective matching of the front covers with the impellers.
    • 一种可变容量的离心泵组件,包括轴承壳体,可旋转地安装在轴承壳体内并从其突出的叶轮轴,包围其中的空腔的蜗壳,用于安装在腔内的叶轮轴上的多个不同尺寸的叶轮,耐磨板 固定到轴承壳体和蜗壳并且限定空腔的下游端部分,多个不同构造的环形前盖,用于安装到蜗壳的上游端,用于改变空腔的尺寸和构造以适应选定的一个 多个不同尺寸的叶轮。 吸入口安装到所选择的盖的上游端,用于使管组件与不同尺寸的入口软管连通,由此可以通过前盖与叶轮的选择性匹配来改变泵组件的容量。
    • 7. 发明申请
    • METHODS AND APPARATUS FOR PUMPING LIQUIFIED GASES
    • 用于泵送气体的方法和装置
    • WO2008115218A2
    • 2008-09-25
    • PCT/US2007/025266
    • 2007-12-11
    • KELLOGG BROWN & ROOT LLCCHO, Hyun
    • CHO, Hyun
    • F04B15/00F04B23/00
    • F04B15/08F04D7/02F17C2223/0153F17C2223/0161F17C2227/0178Y10T137/85978
    • A method and system for pumping liquefied gas are provided. The system for pumping liquefied gas can includes a container having an access port with a central axis disposed at an upper end thereof, a pump disposed within the container, and at least one pipe segment having a first end and a second end. The pump can include a fluid inlet in fluid communication with a liquefied gas stored in the container and a fluid outlet. The first end of the pipe segment can be in fluid communication with the fluid outlet of the pump. The second end of the pipe segment can be in fluid communication with an exterior of the container. The pump can be capable of lifting the liquefied gas through the at least one pipe segment and discharging the liquefied gas from the container at a pressure sufficient for distribution or further processing.
    • 提供了一种泵送液化气的方法和系统。 用于泵送液化气体的系统可以包括具有设置在其上端的具有中心轴的入口的容器,设置在容器内的泵以及具有第一端和第二端的至少一个管段。 泵可以包括与储存在容器中的液化气体流体连通的流体入口和流体出口。 管段的第一端可以与泵的流体出口流体连通。 管段的第二端可以与容器的外部流体连通。 泵能够通过至少一个管段提升液化气体,并以足以分配或进一步加工的压力从容器中排放液化气体。
    • 10. 发明申请
    • APPARATUS FOR INTERMITTENT TRANSFER OF FLUIDS HAVING A VAPOR TRAP SEAL
    • 用于具有VAPOR TRAP密封的流体间歇转移的装置
    • WO1995006188A1
    • 1995-03-02
    • PCT/US1994008739
    • 1994-08-02
    • LIQUID CARBONIC CORPORATION
    • LIQUID CARBONIC CORPORATIONRHOADES, George, D.
    • F01D11/10
    • F04C14/28F04C13/001F04D7/02F04D9/001F04D9/007F04D13/083F17C2223/0161F17C2227/0178Y10S417/901
    • Fluid transfer apparatus comprising a fluid reservoir (11) and a pump (16) connected to the reservoir by a supply line (12), wherein the apparatus is configured so that vapor generated in the pump during periods of inoperation may escape from the pump cavity through the pump inlet, rather than being trapped in the pump cavity, and liquid may flow into the pump cavity from the supply line through the pump inlet (32) to replace escaping vapor, thereby providing reliable pump start-up during intermittent operation. The apparatus may be employed to pump LNG for fueling of vehicles. Where LNG or another cryogenic fluid is being pumped, the pump is preferably driven by a motor (22) located above the pump and connected thereto by an elongated shaft. Shaft seals may be provided to prevent the fluid being pumped from contacting the motor or the bearings supporting the motor shaft. A vapor trap (35) may be provided beneath the shaft seals to prevent contact between liquid being pumped and the shaft seals.
    • 流体输送装置包括流体储存器(11)和通过供应管线(12)连接到储存器的泵(16),其中该装置构造成使得在操作期间在泵中产生的蒸气可能从泵腔 通过泵入口而不是被捕获在泵腔中,并且液体可以通过泵入口(32)从供应管线流入泵腔,以替换溢出的蒸气,从而在间歇运行期间提供可靠的泵启动。 该装置可用于泵送用于车辆燃料的LNG。 在泵或另一低温流体被泵送的情况下,泵优选地由位于泵上方的电动机(22)驱动并通过细长轴与其连接。 可以设置轴密封件以防止被泵送的流体接触到马达或支撑马达轴的轴承。 可以在轴密封件下方设置蒸气阱(35),以防止被泵送的液体与轴密封件之间的接触。