The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2023
Filed:
Mar. 25, 2021
China Railway Beijing Engineering Group Co., Ltd, Beijing, CN;
The No.1 Engineering Co., Ltd of China Railway Beijing Engineering Group, Shaanxi, CN;
Chang'an University, ShaanXi, CN;
Shuangqin Chen, Shaanxi, CN;
Jun Li, Shaanxi, CN;
Runzhi Jia, Shaanxi, CN;
Feng Cheng, Shaanxi, CN;
Yaqiong Wang, Shaanxi, CN;
Jiaqi Li, Shaanxi, CN;
Rui Ren, Shaanxi, CN;
Wei Long, Shaanxi, CN;
Xitong Bai, Shaanxi, CN;
CHINA RAILWAY BEIJING ENGINEERING GROUP CO., LTD, Beijing, CN;
The No. 1 Engineering Co., Ltd of China Railway Beijing Engineering Group, Xi'an, CN;
CHANG'AN UNIVERSITY, Xi'an, CN;
Abstract
A split air cabin ventilation system for construction of tunnel inclined shafts, including a first air cabin and a second air cabin which are both in a hollow closed structure with an air inlet end and an air outlet end respectively at both sides. The two air outlet ends are arranged away from each other. An end of the split air cabin is provided with an air inlet, and the other end is provided with an air outlet. The air inlet is connected to an air source, and the air outlet is connected to the air inlet ends of the first and second air cabins, respectively. The air inlet end of the first air cabin is connected to another air source.