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1. (WO2018164318) PUMP HAVING GAPLESS WEAR RING

Pub. No.:    WO/2018/164318    International Application No.:    PCT/KR2017/006578
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Fri Jun 23 01:59:59 CEST 2017
IPC: F04D 13/08
F04D 29/16
F04D 29/08
F04D 29/66
Applicants: HANSUNG INDUSTRY
(유)한성산기
Inventors: BAEK, Dae Joon
백대준
YANG, Tae Sung
양태성
CHOI, Yong Won
최용원
KIM, Min Seok
김민석
Title: PUMP HAVING GAPLESS WEAR RING
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.