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:
Jan. 12, 2021
Filed:
Jul. 09, 2019
No.59 Research Institute of China Ordnance Industry, Chongqing, CN;
Qiang Chen, Chongqing, CN;
Zhiwei Huang, Chongqing, CN;
Zude Zhao, Chongqing, CN;
Gaozhan Zhao, Chongqing, CN;
Jianquan Tao, Chongqing, CN;
Yuanyuan Wan, Chongqing, CN;
Ming Li, Chongqing, CN;
Zhihui Xing, Chongqing, CN;
NO.59 RESEARCH INSTITUTE OF CHINA ORDNANCE INDUSTRY, Chongqing, CN;
Abstract
A multi-position parallel pressurized casting device for large aluminum alloy castings and method thereof are provided. The device includes a platform, a top surface of the platform is a working surface, and a bottom of the platform is provided with a holding furnace. A number of the holding furnace is two or more, and each holding furnace is connected to a liquid filling port corresponding to the working surface by a separate lift device, and the holding furnaces can achieve independent liquid level pressure control or synchronization liquid level pressure control in any combination by a lift control system; and a cover body is also provided on the working surface, the cover body and the working surface form a sealed working chamber. A vacuum-pumping system and an inert gas replacement system for the working chamber and/or the holding furnace are further provided.