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:
Oct. 14, 2025
Filed:
Aug. 24, 2022
Army Academy of Armored Forces, Beijing, CN;
Ming Liu, Beijing, CN;
Haidou Wang, Beijing, CN;
Guozheng Ma, Beijing, CN;
Zhiguo Xing, Beijing, CN;
Yanfei Huang, Beijing, CN;
Weiling Guo, Beijing, CN;
Xinyuan Zhou, Beijing, CN;
Lihong Dong, Beijing, CN;
Yuelan Di, Beijing, CN;
Dongyu He, Beijing, CN;
Army Academy of Armored Forces, Beijing, CN;
Abstract
A small-size axial powder feeding inner hole plasma spraying gun comprises a nozzle with one end fixed on one side of a front gun body through a nozzle gland and the other end extending to the other side of the front gun body; an insulator arranged between the front gun body and a rear gun body; a powder feeding frame fixedly connected to the rear gun body internally provided with a powder inlet channel, a cathode seat of a cathode being connected to the powder feeding joint, a cathode head extending into a spray hole channel of the nozzle, and an annular cavity being formed between the cathode head and an inner wall of the spray hole channel; an air inlet channel arranged on the front gun body and communicated with the annular cavity; and a cooling channel with an interior introduced with cooling water.