LIQUID CONTAINER CONTROL DEVICE

WIPO Patent Application WO/2020/238941

A1

A liquid container control device, comprising a first liquid container, a first pipe, a first valve, a first liquid level metering device, a display control device, and a drive device. The first liquid container is connected to the first pipe; the first pipe is connected to the first valve; the first liquid level metering device is connected to the first liquid container; the first liquid level metering device is connected to the display control device; the display control device is wirelessly connected to the drive device; the drive device is wirelessly connected to the first valve. The display control device directly starts the injection or take-out of a liquid, the liquid level metering device measures the liquid level, and the display control device automatically performs control, such that an operation time is reduced, safety risks of personnel contacting a site are avoided, and the purposes of reducing costs and improving efficiency are achieved.

HE MENG (CN)
TIAN YU (CN)
LIU ZHENGBING (CN)
DING SHIHUI (CN)
WAN XIUJIANG (CN)
YIN BANGGUO (CN)
WAN FUCAI (CN)
LIU XINLI (CN)
WANG XINGJUN (CN)
JING KEXUAN (CN)
ZHANG WEIJING (CN)
WEI WEI (CN)

PCT/CN2020/092538

December 03, 2020

May 27, 2020

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SICHUAN HONGHUA PET EQUIPMENT (CN)
DOWNHOLE OPERATION COMPANY OF CNPC WESTERN DRILLING ENG CO LTD (CN)

B67D7/08; B67D7/78

CN110203520A	2019-09-06
CN210527146U	2020-05-15
CN207451605U	2018-06-05
CN204714510U	2015-10-21
CN207596455U	2018-07-10
CN109160479A	2019-01-08
US20030192429A1	2003-10-16
JP2000109198A	2000-04-18

UNITALEN ATTORNEYS AT LAW (CN)

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