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:
Mar. 25, 2025
Filed:
Jul. 22, 2022
Yangtze University, Jingzhou, CN;
Xianzhong Yi, Jingzhou, CN;
Shifan Zhang, Jingzhou, CN;
Guangkun Xia, Jingzhou, CN;
Xinbo Zhao, Jingzhou, CN;
Jifang Wan, Jingzhou, CN;
Yuanhua Zhou, Jingzhou, CN;
Yanbin Wang, Jingzhou, CN;
Yangchuan Ke, Jingzhou, CN;
Binbin Diao, Jingzhou, CN;
Peng Jia, Jingzhou, CN;
Jun Fang, Jingzhou, CN;
Yangtze University, Jingzhou, CN;
Abstract
The present disclosure provides a two-stroke pumping method and oil production device, and relates to the technical field of oil production. The oil production device comprises a pump body, wherein the oil production device further comprises a central tube of a hollow structure, and the central tube is partially located in the pump body and coaxially arranged with the pump body; a traveling valve and a standing valve are arranged on the left side and the right side of the outer wall of the central tube respectively, and the traveling valve is arranged between the pump body and the central tube; the standing valve is located outside the pump body; the traveling valve and the standing valve are matched with the pump body and the central tube to form an oil pumping space; and an oil pumping assembly is further arranged in the oil pumping space.