Title:
PUMP BODY STRUCTURE AND CENTRIFUGAL PUMP HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2023/151114
Kind Code:
A1
Abstract:
A pump body structure and a centrifugal pump having same. The pump body structure comprises a pump body (10), a pump cover (20), a suspension (30), a main shaft (40) and an impeller (50); the pump body (10) is provided with a pump inlet (11) and a pump outlet (12), and the pump body (10) is further provided with an impeller cavity (13) having an opening towards the side away from the pump inlet (11), the pump inlet (11) and the pump outlet (12) being both communicated with the impeller cavity (13); the pump cover (20) is detachably arranged on the pump body (10) and can seal the opening of the impeller cavity (13), the suspension (30) is arranged on the pump cover (10), and the main shaft (40) is arranged on the suspension (30) and penetrates through the pump cover (20) into the impeller cavity (13); and the impeller (50) is arranged on the main shaft (40) and is located in the impeller cavity (13), the diameter of the impeller (50) being smaller than that of the opening of the impeller cavity (13).
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Inventors:
YANG DANFEI (CN)
YU WEIPING (CN)
TENG XINWEI (CN)
ZHANG DANYI (CN)
HE TAO (CN)
YU WEIPING (CN)
TENG XINWEI (CN)
ZHANG DANYI (CN)
HE TAO (CN)
Application Number:
PCT/CN2022/076989
Publication Date:
August 17, 2023
Filing Date:
February 21, 2022
Export Citation:
Assignee:
ZHEJIANG PUMP GENERAL CO LTD (CN)
International Classes:
F04D29/22; F04D1/06; F04D29/44; F04D29/62
Foreign References:
| CN209875472U | 2019-12-31 | |||
| CN213899304U | 2021-08-06 | |||
| CN206785748U | 2017-12-22 | |||
| CN101021213A | 2007-08-22 | |||
| CN204327512U | 2015-05-13 | |||
| CN2365428Y | 2000-02-23 | |||
| EP2060791A1 | 2009-05-20 | |||
| EP0664398A1 | 1995-07-26 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)
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