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Patent Searching and Data


Title:
CONTRA-ROTATING MULTI-LAYER PROPELLER UNIT FOR MIXING AND AERATION
Document Type and Number:
WIPO Patent Application WO/2017/131450
Kind Code:
A1
Abstract:
A contra-rotating multi-layer propeller unit for mixing and aeration, according to one embodiment of the present invention, comprises: a shaft part; a front propeller and a rear propeller connected to the shaft part; an air collection part having a preset space formed therein and having the shaft part positioned in the space therein; and an air supply pipe for supplying air to the inside of the air collection part, wherein a rear propeller blade comprises a two-phase blade, a layer structure and a single-phase blade, the two-phase blade being connected to a rear propeller hub, the layer structure having the inner surface thereof connected to the end part of the two-phase blade, and the single-phase blade each being positioned at a location corresponding to the two-phase blade on the outer surface of the layer structure.

Inventors:
MOON, Young June (302-606, 88 Jamwon-ro,,Seocho-gu, Seoul, 06520, KR)
KIM, Dae Han (105-1003, 21 Ichon-ro 87-gil,,Yongsan-gu, Seoul, 04423, KR)
Application Number:
KR2017/000914
Publication Date:
August 03, 2017
Filing Date:
January 25, 2017
Export Citation:
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Assignee:
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION (Korea University, 145 Anam-ro,,Seongbuk-gu, Seoul, 02841, KR)
International Classes:
B01F3/04; A01K63/04; B01F7/00; B01F7/06; C02F1/40; C02F1/74; C02F3/12; C02F3/20; C02F7/00
Foreign References:
KR101097197B12011-12-21
US20140078858A12014-03-20
KR20130138917A2013-12-20
US20090108501A12009-04-30
JPH05104089A1993-04-27
Other References:
See also references of EP 3311907A4
Attorney, Agent or Firm:
MAPS INTELLECTUAL PROPERTY LAW FIRM (4F, 343 Sapyoung-daero,,Seocho-gu, Seoul, 06543, KR)
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