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    Seam-sealed pothead to motor connection
    1.
    发明授权
    Seam-sealed pothead to motor connection 有权

    公开(公告)号：US12123428B2

    公开(公告)日：2024-10-22

    申请号：US17720144

    申请日：2022-04-13

    申请人： Baker Hughes Oilfield Operations LLC

    发明人： James Christopher Clingman

    IPC分类号： F04D29/40 ,  E21B43/12 ,  F04D29/08 ,  H02K5/10 ,  H02K11/00

    CPC分类号： F04D29/406 ,  E21B43/128 ,  F04D29/086 ,  H02K5/10 ,  H02K11/00

    摘要： A pumping system configured to recover wellbore fluids from a wellbore includes an electric motor that has a motor head, a pothead receiving bore within the motor head, a motor insulator block within the motor head, and a stator lead within the motor insulator block. The pumping system further includes a motor lead cable and a pothead connector connected between the motor head and the motor lead cable. The pumping system includes a hermetically fused pothead-to-motor connection at an interface between the pothead connector and the motor head that obviates the need for conventional elastomeric seals at the interface between the pothead connector and the motor head.

    Housing Joints with Compression Loaded Graphite Seals for Downhole ESP Use
    4.
    发明公开
    Housing Joints with Compression Loaded Graphite Seals for Downhole ESP Use 审中-公开

    公开(公告)号：US20240287996A1

    公开(公告)日：2024-08-29

    申请号：US18114744

    申请日：2023-02-27

    申请人： Halliburton Energy Services, Inc.

    发明人： Michael RIMMER

    IPC分类号： F04D29/08 ,  E21B43/12 ,  F04D13/10

    CPC分类号： F04D29/086 ,  E21B43/128 ,  F04D13/10

    摘要： A seal mechanism for an electric submersible pump (ESP) assembly comprising a graphite ring installed on a first component with an installation configuration and a sealing configuration. The graphite ring is installed on an external sealing surface of a first component. An internal sealing surface of a second component is aligned with the graphite ring. An activation force transitions the graphite ring from the installation configuration to a sealing configuration wherein the graphite ring forms a seal to the external sealing surface of the first component and the internal sealing surface of the second component.

    SELF-PRIMING WATER JACKET WITH PRIMING INLET
    8.
    发明公开
    SELF-PRIMING WATER JACKET WITH PRIMING INLET 审中-公开

    公开(公告)号：US20240068476A1

    公开(公告)日：2024-02-29

    申请号：US17897477

    申请日：2022-08-29

    申请人： US Hybrid Corporation

    发明人： Alex Nguyen ,  Gordon Abas Goodarzi

    IPC分类号： F04D9/02 ,  F04D9/04 ,  F04D29/08

    CPC分类号： F04D9/02 ,  F04D9/041 ,  F04D29/086

    摘要： Disclosed is a self-priming fluid transfer system having an integral siphon line that draws trapped air bubbles out of a main fluid chamber over time and fluid cycles. The self-priming fluid transfer system may include a body structure and a siphon line. The body structure may include a chamber inlet and a chamber outlet. The main fluid chamber may receive and output fluid from the chamber inlet and the chamber outlet, respectively. The siphon line may be positioned at the periphery of the main fluid chamber and may include a priming inlet and a siphon outlet. The priming inlet may be positioned at or near a top wall of the body structure and may receive air bubbles from the main fluid chamber. The siphon outlet may be positioned at the chamber outlet and may output the air bubbles at the chamber outlet. Other examples may be described and claimed.

    SEAL CONFIGURATION FOR HIGH DENSITY LUBRICATION OILS
    9.
    发明公开
    SEAL CONFIGURATION FOR HIGH DENSITY LUBRICATION OILS 审中-公开

    公开(公告)号：US20240060502A1

    公开(公告)日：2024-02-22

    申请号：US18234807

    申请日：2023-08-16

    申请人： Baker Hughes Oilfield Operations LLC

    发明人： Charles Collins ,  Ryan Semple ,  Aron Meyer ,  David Tanner

    IPC分类号： F04D29/08 ,  F04D13/10 ,  F04D29/06

    CPC分类号： F04D29/086 ,  F04D13/10 ,  F04D29/061

    摘要： A seal section for use in a downhole submersible pumping system includes a lower chamber, an upper chamber and an intermediate guide section between the lower chamber and the upper chamber. The lower chamber includes a seal bag assembly that has a seal bag containing motor oil and an exterior space around the seal bag that contains high density oil that is denser than the motor oil. The upper chamber includes a volume of the high density oil at the bottom of the upper chamber and a gravity trap connected to the exterior space through an intermediate passage in the intermediate guide section. The gravity trap includes an opening submerged in the volume of high density oil in the upper chamber.

    Hydraulic machine
    10.
    发明授权
    Hydraulic machine 有权

    公开(公告)号：US11892005B2

    公开(公告)日：2024-02-06

    申请号：US17832797

    申请日：2022-06-06

    申请人： Danfoss A/S

    发明人： Stig Kildegaard Andersen ,  Poul Erik Hansen ,  Achuthan Babu

    IPC分类号： F04D29/04 ,  F04D29/08 ,  F04D29/046 ,  F16J15/20 ,  B33Y80/00

    CPC分类号： F04D29/0465 ,  F04D29/086 ,  F16J15/20 ,  B33Y80/00

    摘要： A hydraulic machine includes a first member (1) having a first structure (2) for a hydraulic medium opening in a first interface surface (3) and a second member having a second structure for the hydraulic medium opening in a second interface surface is described, the first interface surface (3) being in contact with the second interface surface, wherein at least one of the members (1) is provided with a support element (6) surrounding the member (1). Such a machine should have a good efficiency. To this end the support element (6) has a strength varying in circumferential direction around the member (1) and/or in thickness direction in a middle region of the member (1).