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1. (WO2019025238) IMPELLER FOR WASTEWATER PUMP
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Pub. No.: WO/2019/025238 International Application No.: PCT/EP2018/070025
Publication Date: 07.02.2019 International Filing Date: 24.07.2018
IPC:
F04D 7/04 (2006.01) ,F04D 13/08 (2006.01) ,F04D 29/24 (2006.01) ,F04D 29/22 (2006.01)
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
13
Pumping installations or systems
02
Units comprising pumps and their driving means
06
the pump being electrically driven
08
for submerged use
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
29
Details, component parts, or accessories
18
Rotors
22
specially for centrifugal pumps
24
Vanes
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
29
Details, component parts, or accessories
18
Rotors
22
specially for centrifugal pumps
Applicants:
KSB SE & CO. KGAA [DE/DE]; Johann-Klein-Straße 9 67227 Frankenthal, DE
Inventors:
SPRINGER, Peer; DE
Priority Data:
102017213507.703.08.2017DE
Title (EN) IMPELLER FOR WASTEWATER PUMP
(FR) ROUE MOBILE POUR POMPE À EAUX USÉES
(DE) LAUFRAD FÜR ABWASSERPUMPE
Abstract:
(EN) The invention relates to an impeller (2) for centrifugal pumps having at least one blade (12). Said impeller (2) is used for delivering solids-containing media. The angle a is at an angle between a leading edge (17) of the blade (12) and a circumferential direction. The angle β is an angle between a leading edge (17) of the blade (12) and a meridional direction. Depending on the dominant speed, the associated a, β is designed to be less than 90°, preferably less than 70°, in particular less than 50°.
(FR) L’invention concerne une roue mobile (2) pour pompes centrifuges comprenant au moins une aube (12). La roue mobile (2) est utilisée pour transporter des fluides contenant des matières solides. L’angle a désigne un angle entre un bord d’entrée (17) de l’aube (12) et une direction périphérique. L’angle β désigne ici un angle entre un bord d’entrée (17) de l’aube (12) et une direction méridionale. L’angle a, β associé est réalisé inférieur à 90°, de préférence inférieur à 70°, notamment inférieur à 50°, en fonction de la vitesse dominante.
(DE) Laufrad (2) für Kreiselpumpen mit mindestens einer Schaufel (12). Das Laufrad (2) wird zur Förderung feststoffhaltiger Medien eingesetzt. Der Winkel a ist bei einem Winkel zwischen einer Eintrittskante (17) der Schaufel (12) und einer Umfangsrichtung. Der Winkel β ist dabei ein Winkel zwischen einer Eintrittskante (17) der Schaufel (12) und einer meridionalen Richtung. In Abhängigkeit der dominierenden Geschwindigkeit ist der zugehörige a, β kleiner als 90° ausgeführt, vorzugsweise kleiner als 70° ausgeführt, insbesondere kleiner als 50° ausgeführt.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)