US 12,331,626 B2
Fracturing device driven by a variable-frequency adjustable-speed integrated machine and a well site layout
Shuzhen Cui, Yantai (CN); Sheng Chang, Yantai (CN); Dawei Zhao, Yantai (CN); Shouzhe Li, Yantai (CN); Liang Lv, Yantai (CN); and Xincheng Li, Yantai (CN)
Assigned to YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD., Yantai (CN)
Filed by YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD., Yantai (CN)
Filed on Apr. 8, 2024, as Appl. No. 18/629,003.
Application 18/629,003 is a continuation of application No. 17/970,346, filed on Oct. 20, 2022, granted, now 11,982,169.
Application 17/970,346 is a continuation of application No. PCT/CN2022/101889, filed on Jun. 28, 2022.
Claims priority of application No. 202111198446.6 (CN), filed on Oct. 14, 2021.
Prior Publication US 2024/0254870 A1, Aug. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 43/26 (2006.01); F04B 17/03 (2006.01); F04B 17/06 (2006.01)
CPC E21B 43/2607 (2020.05) [F04B 17/03 (2013.01); F04B 17/06 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An electric fracturing device, comprising:
an inverter in a first housing;
an electric motor in a second housing, wherein the electric motor comprises a transmission output shaft, and the electric motor is electrically connected to the inverter in the first housing;
a rectifier electrically connected to the inverter; and
a plunger pump mechanically connected to the electric motor;
wherein the first and second housings are fixedly connected at a connection surface;
wherein the transmission output shaft protrudes from a side of the second housing different from the connection surface; and
wherein the first and second housings are fixedly connected via a mounting flange.