Title:
BOILER PUMP
Document Type and Number:
WIPO Patent Application WO/2017/073975
Kind Code:
A1
Abstract:
The present invention relates to a boiler pump comprising: a pump housing having a space, which is formed therein and determined by the end surfaces thereof and the lateral surfaces thereof extending from the end surfaces, and having a heating water inlet, through which heating water can flow into the space, and an air outlet through which air can be discharged from the space; a guide including a base part disposed to face the end surface inside the pump housing and having a through-hole through which the heating water passes so as to flow toward an impeller, and a guide part protruding from the base part toward the end surface and formed such that the longitudinal direction thereof is curved along the periphery of the through-hole so as to guide the heating water, having flowed in through the heating water inlet, such that the heating water flows along the longitudinal direction thereof while passing through spaces between the outer surface and lateral surfaces thereof, and then is directed toward the through-hole; and at least one rib protruding from the outer surface of the guide part.
Inventors:
MIN MAN HONG (KR)
YANG HYUN IK (KR)
YANG HYUN IK (KR)
Application Number:
PCT/KR2016/011993
Publication Date:
May 04, 2017
Filing Date:
October 25, 2016
Export Citation:
Assignee:
KYUNGDONG NAVIEN CO LTD (KR)
International Classes:
F04D29/44; F04D29/66; F24H9/00
Foreign References:
| JP2007146863A | 2007-06-14 | |||
| KR200189324Y1 | 2000-07-15 | |||
| KR101447440B1 | 2014-10-06 | |||
| JP2013181459A | 2013-09-12 | |||
| KR960009753Y1 | 1996-11-06 |
Other References:
See also references of EP 3369940A4
Attorney, Agent or Firm:
CHO, Chul Hyun (KR)
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