US 11,891,885 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 Jul. 18, 2022, as Appl. No. 17/867,387.
Application 17/867,387 is a continuation in part of application No. 17/691,632, filed on Mar. 10, 2022.
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.
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 2023/0042379 A1, Feb. 9, 2023
Int. Cl. E21B 43/26 (2006.01); F02C 7/06 (2006.01); F02C 7/24 (2006.01); F02C 7/32 (2006.01); F01M 5/00 (2006.01); E21B 35/00 (2006.01); A62C 35/00 (2006.01); F01M 1/00 (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, a air intake unit, a circulation air inlet assembly, and a circulation air outlet assembly, 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 air intake unit is disposed at a top of the muffling compartment and the muffling compartment comprises an accommodation space;
the turbine engine is disposed within the accommodation space; and
the circulation air inlet assembly or the circulation air outlet assembly is configured to create an air pressure differential between inside and outside the muffling compartment.