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1. (WO2018202515) AXIAL FAN WITH UNBALANCED BLADE SPACING
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Pub. No.: WO/2018/202515 International Application No.: PCT/EP2018/060622
Publication Date: 08.11.2018 International Filing Date: 25.04.2018
IPC:
F04D 29/32 (2006.01) ,F04D 29/38 (2006.01) ,F01P 5/02 (2006.01) ,F04D 29/66 (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
29
Details, component parts, or accessories
26
Rotors specially adapted for elastic fluids
32
for axial-flow pumps
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
26
Rotors specially adapted for elastic fluids
32
for axial-flow pumps
38
Blades
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
P
COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
5
Pumping cooling-air or liquid coolants
02
Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
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
66
Combating cavitation, whirls, noise, vibration, or the like; Balancing
Applicants:
ROBERT BOSCH GMBH [DE/DE]; Postfach 30 02 20 70442 Stuttgart, DE
Inventors:
SHIN, Yoon Shik; US
VAN HOUTEN, Robert; US
Priority Data:
15/58820505.05.2017US
Title (EN) AXIAL FAN WITH UNBALANCED BLADE SPACING
(FR) VENTILATEUR AXIAL À ESPACEMENT DE PALES NON ÉQUILIBRÉ
Abstract:
(EN) An axial fan comprising a hub and a plurality of blades extending from a periphery of the hub. Each of the blades has a thickness which varies from a leading edge to a trailing edge and from a root to a tip. The blades are unevenly spaced around the periphery of the hub in a pattern which is not balanced. The fan is balanced by variance in blade thickness among the plurality of blades.
(FR) L'invention concerne un ventilateur axial comprenant un moyeu et une pluralité de pales s'étendant à partir d'une périphérie du moyeu. Chacune des pales a une épaisseur qui varie d'un bord d'attaque à un bord de fuite et d'un pied à une extrémité. Les pales sont espacées de manière irrégulière autour de la périphérie du moyeu selon une configuration qui n'est pas équilibrée. Le ventilateur est équilibré par la variance de l'épaisseur des pales parmi la pluralité de pales.
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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: English (EN)
Filing Language: English (EN)