RU2017113691A - CENTRIFUGAL COMPRESSOR OPERATING WHEEL AND CENTRIFUGAL COMPRESSOR - Google Patents

CENTRIFUGAL COMPRESSOR OPERATING WHEEL AND CENTRIFUGAL COMPRESSOR Download PDF

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Publication number
RU2017113691A
RU2017113691A RU2017113691A RU2017113691A RU2017113691A RU 2017113691 A RU2017113691 A RU 2017113691A RU 2017113691 A RU2017113691 A RU 2017113691A RU 2017113691 A RU2017113691 A RU 2017113691A RU 2017113691 A RU2017113691 A RU 2017113691A
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RU
Russia
Prior art keywords
centrifugal compressor
disk
impeller
compressor according
wheel
Prior art date
Application number
RU2017113691A
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Russian (ru)
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RU2017113691A3 (en
Inventor
Вернер ЙОНЕН
Original Assignee
Сименс Акциенгезелльшафт
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Publication of RU2017113691A publication Critical patent/RU2017113691A/en
Publication of RU2017113691A3 publication Critical patent/RU2017113691A3/ru

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30Vanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00Components
    • F05D2240/20Rotors
    • F05D2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/304Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade

Claims (9)

1. Рабочее колесо (1) центробежного компрессора с диском (2) колеса, с установленной с отстоянием от него дисковой крышкой (3) и с расположенными между ними и соединяющими диск (2) колеса и дисковую крышку (3) лопатками (4, 12, 15), включающими отстоящий во внутрь от радиально наружного края диска (2) колеса и дисковой крышки (3) оконечный участок (10, 13, 16), отличающееся тем, что толщина оконечного участка (10, 13, 16) уменьшена относительно примыкающего к нему участка, причем оконечные участки (13, 16) лопаток (12, 15) выполнены каждый либо на стороне (8) всасывания, либо на стороне (9) нагнетания с закругленной кромкой (14, 17).1. The impeller (1) of a centrifugal compressor with a disk (2) of a wheel, with a disk cover (3) installed with separation from it, and with blades (4, 12) located between them and connecting the disk (2) of the wheel and the disk cover (3) , 15), including the end section (10, 13, 16) spaced inward from the radially outer edge of the disk (2) of the wheel and the disk cover (3), characterized in that the thickness of the end section (10, 13, 16) is reduced relative to the adjacent section to it, and the terminal sections (13, 16) of the blades (12, 15) are each made either on the suction side (8), or о on the discharge side (9) with a rounded edge (14, 17). 2. Рабочее колесо центробежного компрессора по п. 1, отличающееся тем, что диаметр лопаток (4, 12, 15) на от 1% до 15% меньше диаметра d диска (2) колеса и дисковой крышки (3). 2. The impeller of a centrifugal compressor according to claim 1, characterized in that the diameter of the blades (4, 12, 15) is from 1% to 15% less than the diameter d of the wheel disk (2) and disk cover (3). 3. Рабочее колесо центробежного компрессора по п. 2, отличающееся тем, что закругленная кромка и профиль лопатки (12) на стороне (8) всасывания плавно переходят друг в друга.3. The impeller of a centrifugal compressor according to claim 2, characterized in that the rounded edge and the profile of the blade (12) on the suction side (8) smoothly pass into each other. 4. Рабочее колесо центробежного компрессора по п. 3, отличающееся тем, что закругленная кромка (14) выполнена с радиусом R, приблизительно соответствующим уравнению R ≈ b ∙ d, причем d – это радиус дисковой крышки (3) и/или диска (2) колеса, а b – это множитель, составляющий от 0,1 до 0,3, предпочтительно 0,2.4. The impeller of a centrifugal compressor according to claim 3, characterized in that the rounded edge (14) is made with a radius R approximately corresponding to the equation R ≈ b ∙ d, and d is the radius of the disk cover (3) and / or disk (2 ) wheels, and b is a factor of 0.1 to 0.3, preferably 0.2. 5. Рабочее колесо центробежного компрессора по любому из пп. 1 - 4, отличающееся тем, что приблизительно одна треть ширины радиально наружного окончания лопаток (12) выполнена приблизительно параллельной наружному периметру диска (2) колеса и/или дисковой крышки (3) с примыканием к ним закругленной кромки (14) на стороне (8) всасывания.5. The impeller of a centrifugal compressor according to any one of paragraphs. 1 to 4, characterized in that approximately one third of the width of the radially outer end of the blades (12) is made approximately parallel to the outer perimeter of the disk (2) of the wheel and / or disk cover (3) with a rounded edge (14) adjacent to them on the side (8) ) suction. 6. Рабочее колесо центробежного компрессора по п. 5, отличающееся тем, что закругленная кромка (17) и профиль лопатки (15) на стороне (9) нагнетания плавно переходят друг в друга. 6. The impeller of a centrifugal compressor according to claim 5, characterized in that the rounded edge (17) and the profile of the blade (15) on the discharge side (9) smoothly pass into each other. 7. Рабочее колесо центробежного компрессора по любому из пп. 1 - 6 , отличающееся тем, что закругленная кромка (17) выполнена с радиусом R, приблизительно соответствующим уравнению R ≈ b ∙ d, причем d – это радиус дисковой крышки (3) и/или диска (2) колеса, а b – это множитель, составляющий от 0,1 до 0,3, предпочтительно 0,2.7. The impeller of a centrifugal compressor according to any one of paragraphs. 1 - 6, characterized in that the rounded edge (17) is made with a radius R approximately corresponding to the equation R ≈ b ∙ d, and d is the radius of the disk cover (3) and / or wheel disk (2), and b is a factor of 0.1 to 0.3, preferably 0.2. 8. Рабочее колесо центробежного компрессора по любому из пп. 1 - 7, отличающееся тем, что приблизительно одна треть ширины радиально наружного окончания лопаток (15) выполнена приблизительно параллельной наружному периметру диска (2) колеса или дисковой крышки (3) с примыканием к ним закругленной кромки (17) стороны (9) нагнетания.8. The impeller of a centrifugal compressor according to any one of paragraphs. 1 to 7, characterized in that approximately one third of the width of the radially outer end of the blades (15) is made approximately parallel to the outer perimeter of the wheel disk (2) or disk cover (3) with the rounded edge (17) of the discharge side (9) adjoining them. 9. Центробежный компрессор с рабочим колесом центробежного компрессора по любому из пп. 1 – 8. 9. A centrifugal compressor with an impeller of a centrifugal compressor according to any one of paragraphs. eighteen.
RU2017113691A 2014-09-22 2015-09-16 CENTRIFUGAL COMPRESSOR OPERATING WHEEL AND CENTRIFUGAL COMPRESSOR RU2017113691A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014219058.4A DE102014219058A1 (en) 2014-09-22 2014-09-22 Radial compressor impeller and associated centrifugal compressor
DE102014219058.4 2014-09-22
PCT/EP2015/071174 WO2016046036A1 (en) 2014-09-22 2015-09-16 Radial compressor impeller and associated radial compressor

Publications (2)

Publication Number Publication Date
RU2017113691A true RU2017113691A (en) 2018-10-24
RU2017113691A3 RU2017113691A3 (en) 2018-10-24

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RU2017113691A RU2017113691A (en) 2014-09-22 2015-09-16 CENTRIFUGAL COMPRESSOR OPERATING WHEEL AND CENTRIFUGAL COMPRESSOR

Country Status (6)

Country Link
US (1) US20170284412A1 (en)
EP (1) EP3158204A1 (en)
CN (1) CN106715920A (en)
DE (1) DE102014219058A1 (en)
RU (1) RU2017113691A (en)
WO (1) WO2016046036A1 (en)

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DE102021119121A1 (en) * 2021-07-23 2023-01-26 Ebm-Papst Mulfingen Gmbh & Co. Kg Radial or diagonal impeller with modified blade edge

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Also Published As

Publication number Publication date
WO2016046036A1 (en) 2016-03-31
DE102014219058A1 (en) 2016-03-24
US20170284412A1 (en) 2017-10-05
RU2017113691A3 (en) 2018-10-24
CN106715920A (en) 2017-05-24
EP3158204A1 (en) 2017-04-26

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