Linear electric puffer for petroleum drilling machine
ZHAO XUEFENG, MA XING, LIANG HAO, LI WENHUI, WANG QIANG, LIAO HENGWEI
Year of Publication 13.01.2023
Get full text
Year of Publication 13.01.2023
Patent
Quick brake pad replacement structure for explosion-proof motor
ZONG LINCAI, LI XIUFANG, KIM SE-HYUN, DAI DONG, ZHOU CHANGGUO, HOU HONGMIAO, LIAO HENGWEI
Year of Publication 10.11.2023
Get full text
Year of Publication 10.11.2023
Patent
Explosion-proof three-phase disc brake asynchronous motor
ZONG LINCAI, LI XIUFANG, KIM SE-HYUN, ZHOU CHANGGUO, HOU HONGMIAO, GUO FEI, LIAO HENGWEI
Year of Publication 18.08.2023
Get full text
Year of Publication 18.08.2023
Patent
Intelligent control method and system for multifunctional man and object carrying electric winch
LIU JINSUO, LI LIN, GUO FENG, MENG LINING, LI ZHANZHU, HOU HONGMIAO, DENG YINGJIE, YUAN LIANG, REN XIAOJUN, LIAO HENGWEI
Year of Publication 25.06.2024
Get full text
Year of Publication 25.06.2024
Patent
Short built-in wire frequency conversion explosion-proof brake motor
WANG YIQUAN, DENG YINGJIE, LIANG HAO, MENG HUQIANG, LIANG WEIGANG, REN XIAOJUN, LI GUOPENG, LIAO HENGWEI
Year of Publication 05.11.2021
Get full text
Year of Publication 05.11.2021
Patent
Integrated man and object carrying electric winch
LI LONGJIAN, WANG WEI, QIU FEI, LI LIN, LI ZHANZHU, XU JIAXIONG, DENG YINGJIE, LIANG HAO, REN XIAOJUN, LIAO HENGWEI
Year of Publication 10.06.2022
Get full text
Year of Publication 10.06.2022
Patent
Oil cylinder self-recycling device for oil cylinder lifting drilling machine
ZHANG HUSHAN, ZHANG WEI, WANG LAN, ZHOU ZHONGXIANG, ZHOU TIANMING, LIAO HENGWEI
Year of Publication 22.04.2015
Get full text
Year of Publication 22.04.2015
Patent
Cluster well is solid controlling system for rig
ZHANG HUSHAN, YANG GANG, ZHOU TIANMING, ZHOU ZHONGXIANG, LIAO HENGWEI
Year of Publication 22.02.2017
Get full text
Year of Publication 22.02.2017
Patent
Lifting device for petroleum drilling machine based on alternating-current variable-frequency electric winch
QIU FEI, ZOU TAO, SHI YUANZHENG, MA JIGUANG, LI GUOCANG, WANG PUPING, ZHANG JIWEI, LU YUNLAI, LI GUOPENG, LIAO HENGWEI
Year of Publication 06.11.2020
Get full text
Year of Publication 06.11.2020
Patent
Lifting device for oil drilling machine based on alternating-current variable-frequency electric winch
QIU FEI, ZOU TAO, SHI YUANZHENG, MA JIGUANG, LI GUOCANG, WANG PUPING, ZHANG JIWEI, LU YUNLAI, LI GUOPENG, LIAO HENGWEI
Year of Publication 24.04.2020
Get full text
Year of Publication 24.04.2020
Patent
Alternating-current variable-frequency electric winch for petroleum drilling machine
LIU CONGPING, ZOU TAO, SHI YUANZHENG, DENG YINGJIE, MA JIGUANG, WANG PUPING, ZHANG JIWEI, LI GUOPENG, LIAO HENGWEI
Year of Publication 29.11.2019
Get full text
Year of Publication 29.11.2019
Patent