Title:
AUTOMATIC LIQUID DRAIN DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/182816
Kind Code:
A1
Abstract:
The present invention relates to an automatic liquid drain device improved to have improved operation reliability of a buoyancy valve member for automatically discharging liquid, enabling emergency action in case of failure, and ensuring safety. The present invention comprises: a body (10) having a water collection chamber (12) and configured to fasten an upper cap member (11) having a liquid inlet (13) to an upper portion of the water collection chamber (12); a buoyancy valve member (20) embedded to be vertically movable in the water collection chamber (12), having a plurality of down-inclined ribs (23) provided in a circumferential direction at equal intervals and a drop drain (24), and provided with a valve packing (25) protruding from the lower center thereof; and a drain emergency action member (30) including a liquid storage space (122) formed in a lower portion of the water collection chamber (12) at the lower side of the buoyancy valve member (20), a drain nipple (31) having a vertical drain hole (32) of which an upper end is exposed to the liquid storage space (122), and an opening/closing nipple (34) fastened to a lower portion of the drain nipple (31) to open and close the vertical drain hole (32).
Inventors:
LEE JUNBEOM (KR)
BAEK CHULHYUN (KR)
BAEK CHULHYUN (KR)
Application Number:
PCT/KR2023/003822
Publication Date:
September 28, 2023
Filing Date:
March 22, 2023
Export Citation:
Assignee:
2CD CO LTD (KR)
International Classes:
F16K21/00; F16K1/38; F16K31/22
Foreign References:
| KR101982245B1 | 2019-05-24 | |||
| JP3996501B2 | 2007-10-24 | |||
| JPH07293793A | 1995-11-10 | |||
| JP2007092593A | 2007-04-12 | |||
| KR101717991B1 | 2017-03-20 | |||
| KR102438299B1 | 2022-08-31 |
Attorney, Agent or Firm:
OH, Segye (KR)
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