Exhaust valve assembly of oil rotary vane vacuum pump
WANG LEI, LU JIE, JIN MASUFUMI, WU QINGYUN, WU JIE, TANG YUJIA, RUAN YIYANG
Year of Publication 28.10.2022
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Year of Publication 28.10.2022
Patent
Boring cutter special for rotor shaft deep hole machining
WANG LEI, WANG XIAOJUN, LU JIE, JIN MASUFUMI, WU QINGYUN, WU JIE, TANG YUJIA, RUAN YIYANG
Year of Publication 25.11.2022
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Year of Publication 25.11.2022
Patent
Clamp for oil mist filter shell of vacuum pump
WANG LEI, WANG XIAOJUN, LU JIE, JIN MASUFUMI, WU QINGYUN, SUN DEYU, WU JIE, RUAN YIYANG
Year of Publication 22.11.2022
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Year of Publication 22.11.2022
Patent
Dry pump cylinder body machining clamp
WANG LEI, WANG XIAOJUN, LU JIE, JIN MASUFUMI, WU QINGYUN, SUN DEYU, WU JIE, RUAN YIYANG
Year of Publication 22.11.2022
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Year of Publication 22.11.2022
Patent
Vacuum pumping pump set of capillary channel in medical refrigerator and control method of vacuum pumping pump set
WANG LEI, WU QINGYUN, JIN MASUFUMI, WANG FEI, YU YI, ZHANG DA, WU JIE, MIAO WENYAO, RUAN YIYANG
Year of Publication 18.10.2022
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Year of Publication 18.10.2022
Patent
Screw vacuum pump rotor profile
WANG LEI, WU QINGYUN, JIN MASUFUMI, MIAO LIANXIN, ZHANG DA, WU JIE, MIAO WENYAO, YE QING, RUAN YIYANG
Year of Publication 20.09.2022
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Year of Publication 20.09.2022
Patent
Roots rotor profile
WANG LEI, WU QINGYUN, JIN MASUFUMI, ZHANG DA, MIAO LIANXIN, WU JIE, MIAO WENYAO, RUAN YIYANG
Year of Publication 20.09.2022
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Year of Publication 20.09.2022
Patent