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.

Date of Patent:
Sep. 10, 2024

Filed:

Sep. 28, 2022
Applicant:

Yantai Jereh Petroleum Equipment & Technologies Co., Ltd., Shandong, CN;

Inventors:

Wenjie Deng, Yantai, CN;

Baoguo Jian, Yantai, CN;

Weichen Liu, Yantai, CN;

Peng Li, Yantai, CN;

Jixin Wang, Yantai, CN;

Xiaosong Wei, Yantai, CN;

Chen Jiang, Yantai, CN;

Xiaobin Li, Yantai, CN;

Wenping Cui, Yantai, CN;

Anpeng Ge, Yantai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 17/04 (2006.01); E21B 43/12 (2006.01); F04B 53/10 (2006.01);
U.S. Cl.
CPC ...
F04B 53/10 (2013.01); E21B 43/121 (2013.01);
Abstract

A valve spring fixing device and a plunger pump are disclosed. The valve spring fixing device includes a spring fixing piece, which includes a first supporting surface and a second supporting surface located at two ends of the spring fixing piece, and an intermediate portion located between the first supporting surface and the second supporting surface; and a spring mounting portion connected with the intermediate portion and configured to mount a valve spring, the first supporting surface and the second supporting surface are configured to contact with a valve box to fix the valve spring fixing device.


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