Deep-suction jet type self-priming electric pump
LI LULU, DAI JILONG, DAI XIANGDING, XIA CHANGXIN, GAO YONGPING, YIN ZHONGNAN
Year of Publication 14.07.2023
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Year of Publication 14.07.2023
Patent
Intelligent horizontal centrifugal pump
LI LULU, DAI JILONG, DAI XIANGDING, XIA CHANGXIN, GAO YONGPING, WEI CHAO
Year of Publication 31.03.2023
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Year of Publication 31.03.2023
Patent
Annular pressure regulating bag for submersible motor
LI LULU, DAI JILONG, DAI XIANGDING, LI SHIFENG, ZHENG YI, SUN ZHONGYUN
Year of Publication 30.12.2022
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Year of Publication 30.12.2022
Patent
Connecting structure of submersible pump and oil-filled motor for well
HE HONGTAO, LI LULU, DAI JILONG, DAI XIANGDING, ZHENG YI, WANG JIACHENG
Year of Publication 03.04.2020
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Year of Publication 03.04.2020
Patent
Guide vane structure of submersible electric pump flow passage component for well
HE HONGTAO, LI LULU, DAI JILONG, DAI XIANGDING, LI SHIFENG, ZHENG YI, ZHANG YU
Year of Publication 13.09.2019
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Year of Publication 13.09.2019
Patent
Two -way thrust slide bearing
HE HONGTAO, LI LULU, GUO JIANHUI, DAI JILONG, DAI XIANGDING, WANG JIACHENG, WEI XU
Year of Publication 15.05.2018
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Year of Publication 15.05.2018
Patent
Two -way sand prevention device of guide bearing of immersible pump for well
HE HONGTAO, LI LULU, GUO JIANHUI, DAI JILONG, DAI XIANGDING, WANG JIACHENG, WEI XU
Year of Publication 10.04.2018
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Year of Publication 10.04.2018
Patent
Tensile welding formula impeller of low specific speed stainless steel punching press
HE HONGTAO, LI LULU, GUO JIANHUI, DAI JILONG, DAI XIANGDING, WEI CHAO, WEI XU
Year of Publication 10.04.2018
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Year of Publication 10.04.2018
Patent
Light small -size single -stage centrifugal pump's seal structure
HE HONGTAO, LI LULU, GUO JIANHUI, DAI JILONG, DAI XIANGDING, WEI XU, WANG MENG
Year of Publication 10.04.2018
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Year of Publication 10.04.2018
Patent
Vertical multistage centrifugal pump's impeller floating sealing ring
HE HONGTAO, LI LULU, GUO JIANHUI, DAI JILONG, DAI XIANGDING, ZHAO YONGXIN, WEI XU
Year of Publication 10.04.2018
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Year of Publication 10.04.2018
Patent
Plastic impeller structure of submersible electric pump for well and injection molding processes thereof
HE HONGTAO, LI LULU, DAI JILONG, DAI XIANGDING, LI SHIFENG, ZHENG YI, ZHANG YU
Year of Publication 26.03.2019
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Year of Publication 26.03.2019
Patent
Guide blade structure of well submersible electric pump flow passage component and injection molding process
HE HONGTAO, LI LULU, DAI JILONG, DAI XIANGDING, LI SHIFENG, ZHENG YI, ZHANG YU
Year of Publication 15.03.2019
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Year of Publication 15.03.2019
Patent