Title:
CENTRIFUGAL PUMP AND IMPELLER FOR CENTRIFUGAL PUMP
Document Type and Number:
WIPO Patent Application WO/2018/095154
Kind Code:
A1
Abstract:
A centrifugal pump and an impeller (30) for a centrifugal pump (100). The impeller (30) comprises: an impeller base (31), provided with a drive connection portion which is configured to be connected to a drive device (40) of the centrifugal pump (100); and a plurality of blades (32), provided on the upper surface of the impeller base (31) and spaced apart from one another along the circumference of the impeller base (31); each blade (32) extends from a position adjacent to the center of the impeller base (31) to the edge of the impeller base (31); the upper end surface of at least one blade (32) has an outer end portion which is higher than an inner end portion thereof and comprises at least three mesas (320) which are sequentially connected to one another in the direction from inside to outside, any two connected mesas (320) not extending in the same plane.
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Inventors:
JIANG TINGTING (CN)
GU WENHAI (CN)
GU WENHAI (CN)
Application Number:
PCT/CN2017/105803
Publication Date:
May 31, 2018
Filing Date:
October 12, 2017
Export Citation:
Assignee:
GUANGDONG WELLING MOTOR MFG CO (CN)
MIDEA WELLING MOTOR TECH SHANGHAI CO LTD (CN)
MIDEA WELLING MOTOR TECH SHANGHAI CO LTD (CN)
International Classes:
F04D29/22; F04D29/24; F04D29/42
Foreign References:
| CN206221351U | 2017-06-06 | |||
| CN106382251A | 2017-02-08 | |||
| DE10133936A1 | 2003-01-30 | |||
| CN105370622A | 2016-03-02 | |||
| CN1721708A | 2006-01-18 | |||
| CN2204344Y | 1995-08-02 | |||
| CN2533304Y | 2003-01-29 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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