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Title:
SUMP DEVICE FOR IMPROVING WATER QUALITY
Document Type and Number:
WIPO Patent Application WO/2012/063996
Kind Code:
A1
Abstract:
A sump apparatus for improving water quality, including a sump discharging water into rivers or drainage ditches, a valve body having a vertical tube divided into an upper buoy-passage space section and a lower communication space section by an inner step having a through opening, and a horizontal tube communicating with the vertical tube, the vertical tube having a first inlet hole through which water in the sump is introduced into the upper buoy-passage space section, a buoy floating in the upper buoy-passage space section in accordance with the water level in the buoy-passage space section, a shutter member in surface contact or separate from the inner step to open and shut the through opening, and a link member connecting the buoy and the shutter member.

Inventors:
KIM KWI YOUNG (KR)
Application Number:
PCT/KR2011/001637
Publication Date:
May 18, 2012
Filing Date:
March 09, 2011
Export Citation:
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Assignee:
GK CO LTD (KR)
KIM KWI YOUNG (KR)
International Classes:
E03F5/16; C02F1/40; E03F5/14; E03F7/04
Domestic Patent References:
WO2005012660A12005-02-10
WO1999035093A11999-07-15
Foreign References:
US5161564A1992-11-10
US4132238A1979-01-02
US6148852A2000-11-21
EP1764142A22007-03-21
Other References:
PATENT ABSTRACTS OF JAPAN
Attorney, Agent or Firm:
KIM, In Cheol (4th FI. Maegang Bldg.,1503-9, Seoch-dong, Seocho-gu, Seoul 137-070, KR)
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Claims:



 
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