US 12,276,187 B2
Connection device, control box component and fracturing apparatus
Peng Zhang, Shandong (CN); Rikui Zhang, Shandong (CN); Liang Lv, Shandong (CN); Xiaolei Ji, Shandong (CN); Chunqiang Lan, Shandong (CN); Yipeng Wu, Shandong (CN); Xincheng Li, Shandong (CN); and Yuxuan Sun, Shandong (CN)
Assigned to Yantai Jereh Petroleum Equipment & Technologies Co., Ltd., Yantai (CN)
Filed by YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD., Shandong (CN)
Filed on Feb. 6, 2024, as Appl. No. 18/434,348.
Application 18/434,348 is a continuation of application No. 17/867,387, filed on Jul. 18, 2022, granted, now 11,891,885, issued on Feb. 6, 2024.
Application 17/867,387 is a continuation in part of application No. 17/691,632, filed on Mar. 10, 2022, granted, now 11,873,704, issued on Jan. 16, 2024.
Application 17/691,632 is a continuation in part of application No. 17/398,375, filed on Aug. 10, 2021, granted, now 11,668,173, issued on Jun. 6, 2023.
Application 17/398,375 is a continuation of application No. 17/172,819, filed on Feb. 10, 2021, granted, now 11,143,006, issued on Oct. 12, 2021.
Claims priority of application No. 202110101567.8 (CN), filed on Jan. 26, 2021; and application No. 202122186195.1 (CN), filed on Sep. 10, 2021.
Prior Publication US 2024/0175342 A1, May 30, 2024
Int. Cl. E21B 43/26 (2006.01); A62C 35/00 (2006.01); E21B 35/00 (2006.01); F01M 1/00 (2006.01); F01M 5/00 (2006.01); F02C 7/06 (2006.01); F02C 7/24 (2006.01); F02C 7/32 (2006.01); F16N 7/00 (2006.01)
CPC E21B 43/2607 (2020.05) [E21B 35/00 (2013.01); E21B 43/26 (2013.01); F02C 7/06 (2013.01); F02C 7/24 (2013.01); F02C 7/32 (2013.01); A62C 35/00 (2013.01); F01M 1/00 (2013.01); F01M 5/002 (2013.01); F05D 2260/98 (2013.01); F16N 7/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fracturing device, comprising a power unit, wherein the power unit comprises a muffling compartment, a turbine engine, an air intake unit, a circulation air inlet assembly, a circulation air outlet assembly, a control box and a transmission shaft for coupling the turbine engine and a load, wherein:
the air intake unit is coupled with the turbine engine through an intake pipe and configured to provide a combustion-supporting air to the turbine engine;
the muffling compartment comprises an accommodation space;
the turbine engine is disposed within the accommodation space; and
the control box is configured to be movable to a first position by a side of the transmission shaft and to a second position away from the transmission shaft.