Title:
VALVE ASSEMBLY AND PLUNGER PUMP
Document Type and Number:
WIPO Patent Application WO/2023/226330
Kind Code:
A1
Abstract:
A valve assembly and a plunger pump. The valve assembly comprises a valve seat (100), a valve body (200), valve rubber (300) and a wear-resistant ring (400), wherein the valve seat (100) is provided with a guide cavity; the valve body (200) comprises a guide claw and an attaching disk, which are fixedly connected to each other, wherein the attaching disk is provided with a mounting groove; the valve rubber (300) is embedded in the mounting groove; and the wear-resistant ring (400) is made of a wear-resistant material, and the wear-resistant ring (400) has a hardness greater than that of the valve seat (100). The valve assembly prolongs the service life of the valve seat.
More Like This:
Inventors:
LI XIAOBIN (CN)
LI PENG (CN)
WANG BAOJIE (CN)
WANG JIXIN (CN)
JIAN BAOGUO (CN)
JIANG CHEN (CN)
GUO ZIMENG (CN)
WANG XIAOGUANG (CN)
LI PENG (CN)
WANG BAOJIE (CN)
WANG JIXIN (CN)
JIAN BAOGUO (CN)
JIANG CHEN (CN)
GUO ZIMENG (CN)
WANG XIAOGUANG (CN)
Application Number:
PCT/CN2022/132670
Publication Date:
November 30, 2023
Filing Date:
November 17, 2022
Export Citation:
Assignee:
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD (CN)
International Classes:
F04B53/10
Foreign References:
| CN111664087A | 2020-09-15 | |||
| CN212479553U | 2021-02-05 | |||
| CN212928164U | 2021-04-09 | |||
| EP1813845A1 | 2007-08-01 | |||
| DE102006027555A1 | 2007-12-20 |
Attorney, Agent or Firm:
COHORIZON INTELLECTUAL PROPERTY INC. (CN)
Download PDF: