• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Disclosed is a centrifugal-blower impeller, which consists of a center part and radially outer part, which has a smaller thickness of material than the center part. The outer part consists of ring segments attached by welding to the periphery of the center part. The ring segments are first welded to the center part and thereafter radially to each other so that the ring segments are subject to tensile stress and the center part to compressive stress.
    公开号:SU1135434A3
    申请号:SU792803898
    申请日:1979-08-22
    公开日:1985-01-15
    发明作者:Юхани Лескинен Сеппо；Юхани Пуккила Олли
    申请人:Ой Нокиа Аб (Инопредприятие)；
    IPC主号:
    专利说明:

    The invention relates to fan building and relates to methods for manufacturing a carrier disk of the impellers of centrifugal fans.
    The closest in technical essence and achieved effect to the invention is a method for manufacturing a carrier disk of a centrifugal fan impeller by manufacturing a central part and an outer ring of individual segments 10 of a smaller thickness than the central part, and securing the segments on the periphery of the central part and between between themselves. 15 segments are fixed with bolts [ij.
    However, a disk made in this way is not reliable enough due to the high voltages from centrifugal forces. 20
    The aim of the invention is to increase the reliability of the carrier disk centrifugal fan fan.
    This goal is achieved by the fact that in the method of manufacturing the carrier disk of the impeller of a centrifugal fan by manufacturing the Central part and the outer of the individual segments of the ring, 'and the thickness 30 of the outer part is less than the Central part, and fixing the segments on the periphery of the Central part and between each other, segments are welded first to the periphery of the central part, and then they are welded to each other.
    In FIG. 1 shows the carrier disk of the impeller of a centrifugal fan ·, in FIG. 2 - the same, longitudinal section.
    The bearing disk of the impeller of a centrifugal fan contains a central one. part Ί and the outer of the individual segments 2 of the annular part of a smaller thickness bjj, than the thickness b of the central part 1. The segments are attached to the periphery of the central part 1 and to each other. The central part 1 is installed on the hub 3.
    A method of manufacturing a carrier disk of the impeller of a centrifugal fan consists in manufacturing the central part 1 and the outer part of the individual segments 2 of the annular part of a smaller thickness t> 2 than the thickness C.1 of the central part, then segments 2 are fixed on the periphery of the central part 1 and between themselves, and the segments 2 of the annular part are welded first to the periphery of the central part 1, and then they are welded to each other.
    In accordance with this method, the welding process starts from the center of the wheel and is carried out towards its periphery, so that the radial seams that are farthest from the center are the last to be created, so that a voltage is created in the disk, the direction of which is opposite to the direction of the stress arising from the action of centrifugal force arising when the wheel rotates, which can effectively reduce voltage peaks and thereby increase the reliability of the carrier disk.
    VNIIIPI Order 10112/46
    Circulation 586 Subscription
    Branch 1L111 Patent ”,
    Uzhhorod, st. Project, 4
    权利要求:
    Claims (1)
    [1]
    METHOD FOR PRODUCING A CENTRIFUGAL FAN WHEEL BEARING DISC BY manufacturing the central part and the outer of individual ring segments, the thickness of the outer part being less than the central part, and fixing the segments on the periphery of the central part and among themselves. To increase reliability, segments are welded first to the periphery of the central part, and then they are welded to each other.
    ί 1135434
    类似技术:
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    US4660435A|1987-04-28|Fiber composite flywheel rim
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    GB1232506A|1971-05-19|
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    US4292554A|1981-09-29|Radially aerated disc rotor
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    SU982792A1|1982-12-23|Ventilating mill rotor
    RU98121212A|2000-09-20|IMPELLER
    SU1079903A1|1984-03-15|Centrifugal fan working wheel
    SU373448A1|1973-03-12|OZM'YYag! •; -> & -., •:. •; •,; '.-, - 1.,.;., J | i., U: .. i.:bU-lL/b^,,-;r.,^,i?j
    SU958713A1|1982-09-15|Rotor disk of turbomachine
    SU1206488A1|1986-01-23|Process of manufacturing impeller of high-pressure centrifugal compressor
    SU1213285A1|1986-02-23|Superflywheel
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    SU623007A1|1978-09-05|Axial fan runner
    SU1204805A1|1986-01-15|Process for manufacturing turbo-molecular pump
    SU829843A1|1981-05-15|Turbo-drill with floating working members
    同族专利:
    公开号 | 公开日
    US4285635A|1981-08-25|
    FI61234C|1982-06-10|
    DE2930257C3|1981-10-01|
    FI782579A|1980-02-24|
    SE7906936L|1980-02-24|
    FI61234B|1982-02-26|
    DE2930257B2|1981-02-12|
    DE2930257A1|1980-03-06|
    JPS5815640B2|1983-03-26|
    JPS5532993A|1980-03-07|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US1096631A|1912-07-15|1914-05-12|George Francis Myers|Method of making wheels.|
    US1447915A|1920-10-06|1923-03-06|American Blower Co|Centrifugal fan|
    US2224617A|1936-04-07|1940-12-10|American Air Filter Co|Rotary dust separator impeller|
    US2506641A|1946-07-27|1950-05-09|Lakeside Bridge & Steel Co|Fabricated gear and method of making the same|
    DE1100223B|1958-07-04|1961-02-23|Bronswerk Nv|Centrifugal paddle wheel|
    DK119671B|1968-12-23|1971-02-08|Nordisk Ventilator|Impeller for a centrifugal fan.|
    JPS5134052A|1974-11-09|1976-03-23|Tokyo Juki Industrial Co Ltd|TANSHIKANNUISAIKURUMISHINNO ITOSETSUDANSOCHI|
    SU589468A1|1976-05-17|1978-01-25|Предприятие П/Я А-3513|Centrifugal smoke exhauster rotor|JPS58191399U|1982-06-16|1983-12-19|
    JPH0225040B2|1984-09-14|1990-05-31|Hitachi Ltd|
    GB2221259A|1988-07-30|1990-01-31|John Kirby|Turbines pumps & compressors|
    US4958987A|1989-07-20|1990-09-25|Precision Cutters, Inc.|Materials handling fan impeller|
    DE102004035902B3|2004-07-19|2006-03-02|Moros, Hans-Jürgen, Dipl.-Phys.Ing.|Ring segment repeller used in wind power technology, aircraft manufacture and in ship building comprises thin-walled circular or elliptical ring segments formed as angle-adjusted repeller elements rotating about a rotational axis|
    CN104564799B|2014-12-30|2017-03-08|张家港金汇风机制造有限公司|A kind of Enhanced impeller|
    JP6789165B2|2017-03-30|2020-11-25|三菱重工コンプレッサ株式会社|Impeller manufacturing method|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FI782579A|FI61234C|1978-08-23|1978-08-23|FRAMEWORK FOR FRAMSTAELLNING AV ETT VINGHJUL HOS EN CENTRIFUGALFLAEKT|
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