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. 04, 2024
Filed:
Jun. 30, 2021
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd., Shandong, CN;
Baojie Wang, Shandong, CN;
Hailong Li, Shandong, CN;
Haiping Cui, Shandong, CN;
Xiaobin Li, Shandong, CN;
Jixin Wang, Shandong, CN;
Peng Li, Shandong, CN;
Chen Jiang, Shandong, CN;
Shulin Zhang, Shandong, CN;
Wenping Cui, Shandong, CN;
Anpeng Ge, Shandong, CN;
Abstract
A plunger, a hydraulic end and a plunger pump are disclosed. The plunger includes a plunger body, the plunger body includes a flow channel; a first liquid inlet hole is located in the plunger body and passes through the sidewall of the plunger body; the plunger body includes a first end portion and a second end portion, a flow channel extends from the first end portion to the second end portion, a part of the flow channel close to the first end portion is closed, the flow channel extends to the second end portion and forms a first opening, the first liquid inlet hole is communicated with the flow channel, the first valve assembly is located at the first opening, and is configured to allow fluid to flow out from the flow channel at the first opening and prevent fluid from flowing back to the flow channel from outside.