US 12,281,648 B2
Fracturing equipment
Sheng Chang, Yantai (CN); Liang Lv, Yantai (CN); Shuzhen Cui, Yantai (CN); Chunqiang Lan, Yantai (CN); Jian Zhang, Yantai (CN); Xiaolei Ji, Yantai (CN); Huaizhi Zhang, Yantai (CN); and Ruijie Du, 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 Dec. 15, 2022, as Appl. No. 18/066,499.
Application 18/066,499 is a continuation of application No. 17/170,141, filed on Feb. 8, 2021, granted, now 11,592,020.
Claims priority of application No. 202022996839.9 (CN), filed on Dec. 11, 2020.
Prior Publication US 2023/0124444 A1, Apr. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F04B 53/00 (2006.01); F04B 53/08 (2006.01); F04B 53/18 (2006.01); E21B 43/26 (2006.01); F04B 17/03 (2006.01)
CPC F04B 53/18 (2013.01) [F04B 53/002 (2013.01); F04B 53/003 (2013.01); F04B 53/08 (2013.01); E21B 43/2607 (2020.05); F04B 17/03 (2013.01)] 17 Claims
OG exemplary drawing
 
1. Fracturing equipment, comprising:
a plunger pump for pressurizing liquid;
a main motor connected to the plunger pump by a transmission and configured to provide a driving force to the plunger pump;
an oil tank containing lubricating oil;
a lubrication driving device for driving the lubricating oil from the oil tank to the plunger pump to lubricate the plunger pump, wherein the lubrication driving device includes a lubrication pump and a lubrication motor; and
a primary exhaust silencer connected with an exhaust port of a cooling fan configured to cool the main motor, wherein the exhaust port of the cooling fan is connected to the primary exhaust silencer via a soft connection, and wherein a flow area of an airflow passage in the soft connection gradually increases along an airflow direction.