RU2018127493A - Centrifugal fan impeller - Google Patents

Centrifugal fan impeller Download PDF

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Publication number
RU2018127493A
RU2018127493A RU2018127493A RU2018127493A RU2018127493A RU 2018127493 A RU2018127493 A RU 2018127493A RU 2018127493 A RU2018127493 A RU 2018127493A RU 2018127493 A RU2018127493 A RU 2018127493A RU 2018127493 A RU2018127493 A RU 2018127493A
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RU
Russia
Prior art keywords
blade
circle
radius
impeller
centrifugal fan
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RU2018127493A
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Russian (ru)
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RU2730220C2 (en
RU2018127493A3 (en
Inventor
Андрей Иванович Панфилов
Владимир Григорьевич Просницкий
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Андрей Иванович Панфилов
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Application filed by Андрей Иванович Панфилов filed Critical Андрей Иванович Панфилов
Publication of RU2018127493A3 publication Critical patent/RU2018127493A3/ru
Publication of RU2018127493A publication Critical patent/RU2018127493A/en
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Publication of RU2730220C2 publication Critical patent/RU2730220C2/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (1)

Рабочее колесо центробежного вентилятора, преимущественно вентиляторов с коэффициентом быстроходности nу=36, содержащее центральный диск, криволинейные лопатки, покрывающие диски конической формы и кольца жесткости, отличающееся тем, что диаметр входа рабочего колеса D1=0,52D2, где D2 - внешний диаметр рабочего колеса, ширина лопатки на выходе b2=0,081D2, количество лопаток находится в пределах 12-14; угол входа лопатки β1=41°; угол выхода β2=50-52°; угол уклона покрывающего диска α=8-11°, ширина колеса b=0,162D2; входной участок лопатки выполнен по дуге окружности радиусом лопатки Rл=0,448 D2 и центром на окружности радиусом Rц=0,295D2, концентричной окружности D2, при этом выходной участок лопатки от точки δ, размещенной на пересечении окружности радиусом перегиба Rп=0,408D2 концентричной окружности D2, с окружностью радиусом Rл=0,448 D2, выполнен по касательной к последней, длина хорды лопатки
Figure 00000001
=0,394 D2, максимальный прогиб лопатки fmax=0,037D2, длина участка лопатки
Figure 00000001
от ее входной кромки
Figure 00000002
до точки ее максимального прогиба составляет 0,177D2.The impeller of a centrifugal fan, mainly fans with a speed coefficient of n y = 36, containing a central disk, curved blades covering conical disks and stiffening rings, characterized in that the diameter of the impeller inlet D 1 = 0.52 D 2 , where D 2 - the outer diameter of the impeller, the width of the blade at the outlet b 2 = 0.081D 2 , the number of blades is in the range of 12-14; blade entry angle β 1 = 41 °; exit angle β 2 = 50-52 °; the angle of inclination of the covering disc α = 8-11 °, the width of the wheel b = 0.162D 2 ; the inlet section of the blade is made along an arc of a circle with the radius of the blade R l = 0.448 D 2 and the center on a circle with a radius of R c = 0.295D 2 , concentric circle D 2 , while the outlet section of the blade from the point δ located at the intersection of the circle with the radius of bend R p = 0,408D 2 concentric circle D 2 , with a circle radius R l = 0,448 D 2 , made tangent to the latter, the length of the chord of the blade
Figure 00000001
= 0.394 D 2 , maximum deflection of the blade f max = 0.037D 2 , length of the blade section
Figure 00000001
from its leading edge
Figure 00000002
to the point of its maximum deflection is 0.177D 2 .
RU2018127493A 2016-06-21 2017-05-03 Centrifugal fan impeller RU2730220C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
UAA201606758A UA114769C2 (en) 2016-06-21 2016-06-21 CENTER FAN OPERATION WHEEL
UAA201606758 2016-06-21
PCT/UA2017/000052 WO2017222493A1 (en) 2016-06-21 2017-05-03 Centrifugal fan impeller wheel

Publications (3)

Publication Number Publication Date
RU2018127493A3 RU2018127493A3 (en) 2020-07-23
RU2018127493A true RU2018127493A (en) 2020-07-23
RU2730220C2 RU2730220C2 (en) 2020-08-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2018127493A RU2730220C2 (en) 2016-06-21 2017-05-03 Centrifugal fan impeller

Country Status (3)

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RU (1) RU2730220C2 (en)
UA (1) UA114769C2 (en)
WO (1) WO2017222493A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020019294A1 (en) * 2018-07-27 2020-01-30 深圳市大疆创新科技有限公司 Centrifugal fan and electronic device
CN110382876B (en) * 2018-07-27 2022-02-22 深圳市大疆创新科技有限公司 Centrifugal fan and electronic equipment
CN208587316U (en) * 2018-07-27 2019-03-08 深圳市大疆创新科技有限公司 Centrifugal fan and electronic equipment
CN109595198B (en) * 2018-12-07 2023-09-01 佛山市南海九洲普惠风机有限公司 Fan impeller
CN110319054B (en) * 2019-05-30 2020-09-18 宁波方太厨具有限公司 Impeller for forward centrifugal fan
DE102019121448A1 (en) * 2019-08-08 2021-02-11 Ebm-Papst Mulfingen Gmbh & Co. Kg Radial fan for an extractor hood
CN114483648B (en) * 2022-01-27 2024-04-09 杭州老板电器股份有限公司 Blade design the method is blade and centrifugal fan

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019963A (en) * 1955-07-08 1962-02-06 Eck Bruno Christian Radial blower for gases with high dust content
SU397680A1 (en) * 1970-09-29 1973-09-17 WORKING WHEEL CENTRIFUGAL DUST FAN
SU589468A1 (en) * 1976-05-17 1978-01-25 Предприятие П/Я А-3513 Centrifugal smoke exhauster rotor
DD137612B1 (en) * 1978-07-10 1980-06-25 Werner Harms RADIAL IMPELLER
DE3811602C2 (en) * 1988-04-07 1996-05-02 Kaeser Noske Gmbh Centrifugal fan
RU2182265C2 (en) * 1999-11-30 2002-05-10 Журавлев Юрий Иванович Centrifugal supercharger impeller
US6338611B1 (en) * 2000-06-30 2002-01-15 General Electric Company Conforming platform fan blade
US6358011B1 (en) * 2000-09-01 2002-03-19 Carrier Corporation Radial fan blade configuration
FI122563B (en) * 2005-02-21 2012-03-30 Flaekt Woods Ab Centrifugal Impeller
CN200968316Y (en) * 2006-10-20 2007-10-31 浙江亿利达风机有限公司 Centrifugal fan blade wheel
FI122540B (en) * 2007-04-20 2012-03-15 Flaekt Woods Ab Radiaalisiipipyörä

Also Published As

Publication number Publication date
RU2730220C2 (en) 2020-08-19
WO2017222493A1 (en) 2017-12-28
UA114769C2 (en) 2017-07-25
RU2018127493A3 (en) 2020-07-23

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