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AssigneeYantai Jereh Petroleum Equipment & Technologies Co., Ltd.
InventorsWenjie Deng, Baoguo Jian, Weichen Liu, Haiping Cui, Peng Li, Jixin Wang
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A valve spring seat sleeve, a valve assembly, and a plunger pump are disclosed. The valve spring seat sleeve includes a cylindrical hollow structure, a first fluid hole, a first notch and a second notch; the cylindrical hollow structure includes a plunger passage; the first fluid hole passes through a sidewall of the cylindrical hollow structure and communicated with the plunger passage; the first notch and the second notch are located on a side of the cylindrical hollow structure opposite to the first fluid hole; the cylindrical hollow structure includes a first end portion, a second end portion and an intermediate portion, a center of the first fluid hole is located at the intermediate portion, the cylindrical hollow structure further includes a spring mounting portion located between the first notch and the second notch.
A valve spring seat sleeve, comprising:
Dependencies are inferred from the claim text.