Title:
PUMP HAVING GAPLESS WEAR RING
Document Type and Number:
WIPO Patent Application WO/2018/164318
Kind Code:
A1
Abstract:
According to the present invention, a pump having a gapless wear ring comprises: an upper casing; a lower casing; a motor; an impeller; and a connecting shaft for connecting a motor shaft and the impeller, and further includes: a carbon-carbon composite wear ring comprising a casing wear ring provided at the lower surface of the lower casing, and an impeller wear ring provided at the impeller in a state in which the impeller wear ring comes in close contact with the casing wear ring in the vertical direction from the lower side of the casing wear ring without a gap; and a contact means for maintaining the casing wear ring and the impeller wear ring in a gapless contact state all the time.
Inventors:
BAEK DAE JOON (KR)
YANG TAE SUNG (KR)
CHOI YONG WON (KR)
KIM MIN SEOK (KR)
YANG TAE SUNG (KR)
CHOI YONG WON (KR)
KIM MIN SEOK (KR)
Application Number:
PCT/KR2017/006578
Publication Date:
September 13, 2018
Filing Date:
June 22, 2017
Export Citation:
Assignee:
HANSUNG IND (KR)
International Classes:
F04D13/08; F04D29/08; F04D29/16; F04D29/66
Foreign References:
| KR20160065333A | 2016-06-09 | |||
| KR101572913B1 | 2015-11-30 | |||
| KR20160002114A | 2016-01-07 | |||
| KR19980013736U | 1998-06-05 | |||
| KR101461621B1 | 2014-11-20 |
Attorney, Agent or Firm:
MYUNGJANG LAW FIRM (KR)
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