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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：US20220341415A1
公开(公告)日：2022-10-27
申请号：US17375233
申请日：2021-07-14
发明人： Wenjie DENG , Baoguo JIAN , Weichen LIU , Haiping CUI , Peng LI , Jixin WANG
摘要： A valve spring seat sleeve, a valve assembly, and a plunger pump are disclosed. The valve spring seat sleeve includes a cylindrical hollow structure, a first fluid hole, a first notch and a second notch; the cylindrical hollow structure includes a plunger passage; the first fluid hole passes through a sidewall of the cylindrical hollow structure and communicated with the plunger passage; the first notch and the second notch are located on a side of the cylindrical hollow structure opposite to the first fluid hole; the cylindrical hollow structure includes a first end portion, a second end portion and an intermediate portion, a center of the first fluid hole is located at the intermediate portion, the cylindrical hollow structure further includes a spring mounting portion located between the first notch and the second notch.
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公开(公告)号：US20230144116A1
公开(公告)日：2023-05-11
申请号：US17973551
申请日：2022-10-26
发明人： Bingzhuang LI , Ruijie DU , Zhongquan SUN , Wenping CUI , Peng LI , Baoguo JIAN
CPC分类号： F04B49/065 , F04B53/147 , F04B53/18 , F04B2201/0402
摘要： The present application relates to a plunger pump, and the technical field of high-pressure media transport equipment. The plunger pump comprises a fixed component, a motion component and a fault diagnosis module, the motion component is provided on the fixed component, and the motion component is movable relative to the fixed component. The fault diagnosis module comprises a temperature sensing component and a processing unit, the fixed component is provided with one or more temperature detection holes, the temperature sensing component is at least partially located in the one or more temperature detection holes, and the temperature sensing component is contactable to lubricating oil flowing through the motion component; the processing unit is connected to the temperature sensing component, and the processing unit performs monitoring and fault diagnosis on the plunger pump based on a temperature value sensed by the temperature sensing component.
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公开(公告)号：US20230001524A1
公开(公告)日：2023-01-05
申请号：US17687421
申请日：2022-03-04
发明人： Chen JIANG , Xiaobin LI , Jixin WANG , Baojie WANG , Baoguo JIAN , Peng LI
IPC分类号： B23P19/02 , F16K51/00 , B23P19/027
摘要： A puller includes a first claw and a second claw arranged opposite to each other. The first claw includes a first pulling part, a first limiting part and a first connecting part. The first limiting part includes a first body part, a first notch part and a second notch part. The second claw includes a second pulling part, a second limiting part and a second connecting part. The second limiting part includes a second body part, a third notch part and a fourth notch part. A size of the second pulling part is smaller than or equal to a size of the second notch part.
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