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公开(公告)号：US20230017968A1
公开(公告)日：2023-01-19
申请号：US17954436
申请日：2022-09-28
发明人： Wenjie DENG , Baoguo JIAN , Weichen LIU , Peng LI , Jixin WANG , Xiaosong WEI , Chen JIANG , Xiaobin LI , Wenping CUI , Anpeng GE
摘要： A valve spring fixing device and a plunger pump are disclosed. The valve spring fixing device includes a spring fixing piece, which includes a first supporting surface and a second supporting surface located at two ends of the spring fixing piece, and an intermediate portion located between the first supporting surface and the second supporting surface; and a spring mounting portion connected with the intermediate portion and configured to mount a valve spring, the first supporting surface and the second supporting surface are configured to contact with a valve box to fix the valve spring fixing device.
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公开(公告)号：US20230138582A1
公开(公告)日：2023-05-04
申请号：US17846050
申请日：2022-06-22
发明人： Xiaobin LI , Baojie WANG , Jixin WANG , Peng LI , Chen JIANG , Haiping CUI , Shulin ZHANG , Anpeng GE
摘要： A cover, a fluid end and a plunger pump are provided. The cover includes: a body, the body being cylindrical, and the body including a first end, a second end, and a side surface connecting the first end and the second end; a main flow channel extending along an axis of the body; a plurality of subsidiary flow channels, each of the plurality of subsidiary flow channels being communicated with the main flow channel; a first opening, located at the first end and communicated with the main flow channel; and a plurality of second openings, located at the side surface of the body; each of the plurality of subsidiary flow channels being communicated with at least one of the plurality of second openings.
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公开(公告)号：US20240209949A1
公开(公告)日：2024-06-27
申请号：US17794993
申请日：2022-02-09
发明人： Jinling HUANG , Changxiao ZUO , Shulin ZHANG , Jixin WANG , Anpeng GE , Yilong ZHU
CPC分类号： F16K5/0471 , F16K5/201 , E21B43/2607
摘要： A valve seat, a plug valve, and a fracturing manifold are provided. The valve seat includes a sealing valve seat in an annular shape and a mounting valve seat in an annular shape. The sealing valve seat includes a sealing valve seat inner hole, and the mounting valve seat includes a mounting valve seat inner hole. The sealing valve seat is nested inside the mounting valve seat, and the sealing valve seat inner hole communicates with the mounting valve seat inner hole. In axial and radial directions of the sealing valve seat inner hole, or axial and radial directions of the mounting valve seat inner hole, an outer surface of the sealing valve seat abuts against an inner surface of the mounting valve seat.
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公开(公告)号：US20230323969A1
公开(公告)日：2023-10-12
申请号：US18209483
申请日：2023-06-14
发明人： Xiaosong WEI , Chen JIANG , Haiping CUI , Xiaobin LI , Wenping CUI , Peng LI , Anpeng GE
IPC分类号： F16K15/06
CPC分类号： F16K15/063 , E21B43/2607
摘要： A valve spring holder, a valve box, and a plunger pump. The valve spring holder includes a body part, a first supporting part, a second supporting part, a spring mounting part, and a limiting groove. The first supporting part is connected to a first end part of the body part. The second supporting part is connected to a second end part of the body part. The spring mounting part is connected to a middle part of the body part. The first supporting part includes a first supporting surface, the second supporting part includes a second supporting surface, the first supporting surface and the second supporting surface are in contact with the valve box, and the limiting groove is located in at least one of the first supporting part and second supporting part, and is exposed to at least one of the first supporting surface and second supporting surface.
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公开(公告)号：US20220316461A1
公开(公告)日：2022-10-06
申请号：US17364237
申请日：2021-06-30
发明人： Baojie WANG , Hailong LI , Haiping CUI , Xiaobin LI , Jixin WANG , Peng LI , Chen JIANG , Shulin ZHANG , Wenping CUI , Anpeng GE
摘要： A plunger, a hydraulic end and a plunger pump are disclosed. The plunger includes a plunger body, the plunger body includes a flow channel; a first liquid inlet hole is located in the plunger body and passes through the sidewall of the plunger body; the plunger body includes a first end portion and a second end portion, a flow channel extends from the first end portion to the second end portion, a part of the flow channel close to the first end portion is closed, the flow channel extends to the second end portion and forms a first opening, the first liquid inlet hole is communicated with the flow channel, the first valve assembly is located at the first opening, and is configured to allow fluid to flow out from the flow channel at the first opening and prevent fluid from flowing back to the flow channel from outside.
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