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1. (EP3311907) CONTRA-ROTATING MULTI-LAYER PROPELLER UNIT FOR MIXING AND AERATION

Office : European Patent Office
Application Number: 17744571 Application Date: 25.01.2017
Publication Number: 3311907 Publication Date: 25.04.2018
Publication Kind : A4
Designated States: AL, AT, BA, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
Prior PCT appl.: Application Number:KR2017000914 ; Publication Number: Click to see the data
IPC:
B01F 3/04
A01K 63/04
B01F 7/00
B01F 7/06
C02F 1/40
C02F 1/74
C02F 3/12
C02F 3/20
C02F 7/00
F04D 7/04
F04D 31/00
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
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
7
Mixers with rotary stirring devices in fixed receptacles; Kneaders
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
02
with stirrers rotating about a horizontal or inclined axis
06
with propellers
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
40
Devices for separating or removing fatty or oily substances or similar floating material
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
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3
Biological treatment of water, waste water, or sewage
02
Aerobic processes
12
Activated sludge processes
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3
Biological treatment of water, waste water, or sewage
02
Aerobic processes
12
Activated sludge processes
20
using diffusers
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
7
Aeration of stretches of water
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
7
Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
02
of centrifugal type
04
the fluids being viscous or non-homogeneous
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
31
Pumping liquids and elastic fluids at the same time
CPC:
A01K 63/042
A01K 63/04
B01F 3/04
B01F 3/04531
B01F 7/00
B01F 7/00341
B01F 7/06
B01F 2215/0052
C02F 1/40
C02F 1/74
C02F 3/12
C02F 3/20
C02F 7/00
C02F 2103/20
F04D 7/045
F04D 31/00
Applicants: UNIV KOREA RES & BUS FOUND
Inventors: MOON YOUNG JUNE
KIM DAE HAN
Priority Data: 20160011150 29.01.2016 KR
20160038322 30.03.2016 KR
2017000914 25.01.2017 KR
Title: (DE) GEGENLÄUFIGE MEHRSCHICHTIGE PROPELLEREINHEIT ZUM MISCHEN UND BELÜFTEN
(EN) CONTRA-ROTATING MULTI-LAYER PROPELLER UNIT FOR MIXING AND AERATION
(FR) UNITÉ D'HÉLICE MULTICOUCHE CONTRAROTATIVE POUR MÉLANGE ET AÉRATION
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.
(FR) Une unité d'hélice multicouche contrarotative pour mélange et aération, selon un mode de réalisation de la présente invention, comprend : une partie d'arbre; une hélice avant et une hélice arrière reliées à la partie d'arbre; une partie de collecte d'air ayant un espace prédéfini formé à l'intérieur de celle-ci, espace dans lequel la partie d'arbre est positionnée; et un tuyau d'alimentation en air pour fournir de l'air à l'intérieur de la partie de collecte d'air, une pale d'hélice arrière comprenant une pale à deux phases, une structure de couche et une pale à phase unique, la pale à deux phases étant reliée à un moyeu d'hélice arrière, la surface interne de la structure de couche étant reliée à la partie d'extrémité de la pale à deux phases, et la pale à phase unique étant positionnée à un emplacement correspondant à la pale à deux phases sur la surface externe de la structure de couche.
Also published as:
US20180184626WO/2017/131450