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:
Sep. 15, 2026
Filed:
Nov. 13, 2023
Jiangsu University, Jiangsu, CN;
Bifeng Yin, Jiangsu, CN;
Fei Dong, Jiangsu, CN;
Hekun Jia, Jiangsu, CN;
Zekai Li, Jiangsu, CN;
Jie Ni, Jiangsu, CN;
Jiangsu University, Jiangsu, CN;
Abstract
A two-stage jet device with a flow guide structure includes a cavity and a nozzle. An end of the cavity is provided with a first gas inlet and a second gas inlet, the nozzle includes a first-stage nozzle and a second-stage nozzle, the first-stage nozzle is located in a mixing cavity, the second-stage nozzle is mounted in the first-stage nozzle in an axially movable manner, and the second gas inlet is in communication with a first jet channel or two jet channels by moving the second-stage nozzle; the jet device further includes guide vanes, the guide vanes are arranged in the first gas inlet and a suction cavity of the mixing cavity respectively, the guide vane in the suction cavity is rotatable, and a control system controls a rotation angle of the guide vane in the suction cavity according to a position of the second-stage nozzle.