Title:
FLOW CONTROL BUTTERFLY VALVE
Document Type and Number:
WIPO Patent Application WO/2021/015422
Kind Code:
A1
Abstract:
The present invention relates to a butterfly valve, which can be even applied to various flow control conditions by respectively providing a butterfly valve main housing, and sub housings coupled to both sides thereof so that a flow movement space or a flow control section is variously set, and then selectively coupling the sub housings. The present invention relates to a flow control butterfly valve comprising: a housing having a flow path in which fluid moves; a valve seat provided inside the housing; and a circular plate-shaped disc rotatably provided inside the housing so as to make contact with and be separated from the valve seat, thereby closing/opening the flow path, wherein the housing is divided into the main housing, in which a rotary shaft part of the disc and the valve seat are provided, and the sub housings, which are coupled to both side ends of the main housing, and the range of the opening degree of the disc can be controlled by means of the sub open surface of the sub housing.
Inventors:
SHIN HONG YEUL (KR)
Application Number:
PCT/KR2020/007897
Publication Date:
January 28, 2021
Filing Date:
June 18, 2020
Export Citation:
Assignee:
CESCO CO LTD (KR)
International Classes:
F16K1/22; F16K1/52; F16K27/02
Foreign References:
| KR20030026609A | 2003-04-03 | |||
| US20040159816A1 | 2004-08-19 | |||
| KR101889771B1 | 2018-08-20 | |||
| JP2004003421A | 2004-01-08 | |||
| KR102034415B1 | 2019-10-18 |
Attorney, Agent or Firm:
FRIENDS INTERNATIONAL PATENT AND LAW FIRM (KR)
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