PATENTSCOPE will be unavailable a few hours for maintenance reason on Tuesday 19.11.2019 at 4:00 PM CET
Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact
1. (US20180184626) CONTRA-ROTATING MULTI-LAYER PROPELLER UNIT FOR MULTI-PHASE FLOW

Office : United States of America
Application Number: 15738273 Application Date: 25.01.2017
Publication Number: 20180184626 Publication Date: 05.07.2018
Publication Kind : A1
Prior PCT appl.: Application Number:PCTKR2017000914 ; Publication Number: Click to see the data
IPC:
A01K 63/04
B01F 3/04
B01F 7/00
C02F 1/74
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
K
ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
63
Receptacles for live fish, e.g. aquaria; Terraria
04
Arrangements for treating water specially adapted to receptacles for live fish
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
F
MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
3
Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
04
gases or vapours with liquids
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
F
MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
7
Mixers with rotary stirring devices in fixed receptacles; Kneaders
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
72
by oxidation
74
with air
CPC:
A01K 63/042
B01F 2215/0052
B01F 3/04531
B01F 7/00341
C02F 1/74
C02F 2103/20
Applicants: Korea University Research and Business Foundation
Inventors: Young June MOON
Dae Han KIM
Priority Data: 10-2016-0011150 29.01.2016 KR
10-2016-0038322 30.03.2016 KR
Title: (EN) CONTRA-ROTATING MULTI-LAYER PROPELLER UNIT FOR MULTI-PHASE FLOW
Abstract: front page image
(EN)

A contra-rotating multi-layer propeller unit for multi-phase flow according to an exemplary embodiment of the present disclosure includes: a shaft part; a front propeller and a rear propeller connected to the shaft part; an air collection part including a predetermined space therein and the shaft part positioned in the internal space; and an air supply pipe configured to supply air into the air collection part, and a rear propeller blade includes a two-phase blade connected to a rear propeller hub, a layer structure of which an inner surface is connected to an end portion of the two-phase blade, and a single-phase blade positioned at a location corresponding to the two-phase blade on an outer surface of the layer structure.


Also published as:
EP3311907WO/2017/131450