PLUNGER PUMP

WIPO Patent Application WO/2024/000832

A1

Provided in the present disclosure is a plunger pump. The plunger pump comprises a pump body, a crankshaft, and a plunger group, wherein the pump body is provided with a plurality of working cavities; the crankshaft is rotatably assembled on the pump body, the crankshaft is provided with an eccentric section, and the axis of the eccentric section and the axis of the crankshaft are arranged in parallel at an interval; and the plunger group comprises a plurality of plungers and star wheels, the plurality of plungers being arranged at intervals in a circumferential direction of the star wheels, one end of each plunger being connected to a star wheel, the other ends of the plungers being guided and assembled in the working cavities so as to adjust the volume of the working cavities, and the star wheels being rotatably assembled on the eccentric section so as to drive the plungers to slide in the working cavities when the crankshaft rotates.

LIU HAO (CN)
WEI WENSHU (CN)
GENG XIANGYU (CN)
LI RAN (CN)
LI DONGZE (CN)
YU TIANLIANG (CN)
YE JIAN (CN)
CHEN RONGMING (CN)

PCT/CN2022/119669

January 04, 2024

September 19, 2022

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BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD (CN)
BEIJING CCRI TIANMA AUTOMATION TECH CO LTD (CN)

F04B1/053; F04B1/0408; F04B1/0413

CN115045817A	2022-09-13
CN113309681A	2021-08-27
US4313714A	1982-02-02
CN110454349A	2019-11-15
JPH05187349A	1993-07-27

TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)

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