Title:
IMPELLER PUMP
Document Type and Number:
WIPO Patent Application WO/2022/267239
Kind Code:
A1
Abstract:
An impeller pump, comprising a pump shaft (4), a flow guide base housing, a plurality of impellers (1) driven by the pump shaft (4) to rotate, and a flow guide body (5) connected to the flow guide base housing. The impellers (1) and the flow guide body (5) are all provided on the periphery of the pump shaft (4) in a sleeving mode; and each impeller (1) comprises an impeller main body (11) and an impeller base (13) matching the impeller main body (11) to form a liquid circulation chamber, the impeller main body (11) is provided with a mounting surface (111), a plurality of blades (12) are mounted on the mounting surface (111), the blades (12) are located in the circulation chamber, and the mounting surface (111) is a conical surface inclining towards a liquid outlet of the pump.
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Inventors:
ZHU SHIJUN (CN)
CAI ZHUO (CN)
XU SHISHENG (CN)
CAI ZHUO (CN)
XU SHISHENG (CN)
Application Number:
PCT/CN2021/118458
Publication Date:
December 29, 2022
Filing Date:
September 15, 2021
Export Citation:
Assignee:
WENLING JENNFENG DIGITAL ELECTROMECHANICAL TECH CO LTD (CN)
International Classes:
F04D1/08; F04D29/24; F04D29/42; F04D29/44; F04D29/62
Foreign References:
| CN113279968A | 2021-08-20 | |||
| CN214887903U | 2021-11-26 | |||
| CN111878452A | 2020-11-03 | |||
| CN203394792U | 2014-01-15 | |||
| US20200325901A1 | 2020-10-15 | |||
| CN2158934Y | 1994-03-16 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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