• 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 an impeller in a centrifugal blower, especially a high-pressure blower, wherein the curved part of the front plate of the impeller is replaced by a conical supporting ring. The upper edge of the supporting ring is attached to the blades of the impeller and the lower edge to the cylindrical suction ring of the impeller. A guide ring made of thin plate is mounted inwards from the supporting ring.
    公开号:SU940653A3
    申请号:SU792803897
    申请日:1979-08-22
    公开日:1982-06-30
    发明作者:Юхани Лескинен Сеппо
    申请人:Ой Меркантайл Аб (Фирма)；
    IPC主号:
    专利说明:

    (St) WORKING WHEEL CENTRIFUGAL AIR BLOWER
    The invention relates to a fan for the growth of swarming and relates to impellers for centrifugal blowers.
    A centrifugal blower impeller is known, which contains a covering disk with an inlet cylindrical, curvilinear and outgoing straight-line sections, carrying a disk and mounted between the Discs of the blade Cl3.
    However, the cost of manufacturing such a wheel is rather high due to the laboriousness of manufacturing a curved section, and, moreover, this wheel is not strong enough.
    The purpose of the invention is to reduce the cost of manufacture and increase wheel strength.
    This goal is achieved by the fact that the covering disk is provided on the outside with a conical support ring fixed on the input and output sections of the disk, and its curved section is made in the form of a thin-walled guide ring.
    The drawing shows the impeller of a centrifugal blower, a longitudinal section.
    The centrifugal blower impeller contains a cover disk with; ; an inlet cylindrical section 1, a curvilinear section 2 and an output rectilinear section 3, carrying a disk k and installed between a covering HbW disk and a bearing disk i of the blade 5. The covering disk is provided on the outside with a conical support ring 6 fixed to the input and output sections 1 and 3 disk, and its curvilinear section 2 is made in
    15 as a thin-walled guide ring.
    During the rotation of the working wheel, the curvilinear section 2 of the covering i disk is unloaded from stresses, since the voltages from the output linear section 3 are transmitted to the input cylindrical section t through the conical support ring 6.
    Thus, the proposed wheel has increased strength, and making the curved section of the covering disk in the form of a thin-walled guide ring reduces the manufacturing cost, since the aerodynamic shape of the section is easily obtained at low labor costs using crimping tools.
    权利要求:
    Claims (1)
    [1]
    Invention Formula
    A centrifugal blower impeller comprising a covering disk with an inlet cylindrical, curvilinear and output straight lines, carrying a disk and mounted between the blades of the blade, characterized in that, in order to reduce the cost of manufacture and increase i
    the strength of the wheel, the cover disk is provided on the outside with a conical support ring fixed on the inlet and outlet sections of the disk, and its curvilinear section is made
    in the form of a thin-walled guide ring.
    Sources of information taken into account in the examination 1. USSR author's certificate
    No. fOkU 29/28, 1969
    类似技术:
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    JPH02256897A|1990-10-17|Turbine impeller for compressor
    KR920002084A|1992-02-28|Blower assembly and impeller used in vacuum cleaners and vacuum cleaners
    GB636290A|1950-04-26|Improvements in diffusers for centrifugal compressors
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    GB816536A|1959-07-15|Improvements in or relating to axial-flow fans
    SU823602A1|1981-04-23|Centrifugal turbine impeller
    GB622669A|1949-05-05|Improvements in or relating to multi-stage centrifugal fans or pumps
    SE458464B|1989-04-03|AIR CONDUCTOR DEVICE BY A COOLER FOR WATER-COOLED COMBUSTION ENGINES
    IT1245175B|1994-09-13|COVER STRUCTURE FOR A CENTRIFUGAL COMPRESSOR
    SU939836A1|1982-06-30|Centrifugal compressor impeller
    同族专利:
    公开号 | 公开日
    SE7906937L|1980-02-24|
    US4342541A|1982-08-03|
    SE444038B|1986-03-17|
    JPS5854275B2|1983-12-03|
    FI61233B|1982-02-26|
    DE2930339B2|1980-09-11|
    JPS5532992A|1980-03-07|
    DE2930339A1|1980-03-06|
    DE2930339C3|1982-11-18|
    FI61233C|1982-06-10|
    UA5915A1|1994-12-29|
    FI782578A|1980-02-24|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR1355428A|1964-06-19|Neu Sa|Further training in fans, compressors and centrifugal pumps|
    DE906975C|1950-05-03|1954-03-18|Licentia Gmbh|Impeller for radial turbo compressors|
    US3139265A|1960-01-28|1964-06-30|Nydqvist & Holm Ab|Turbine and pump runner|
    US3298444A|1965-09-22|1967-01-17|Budd Co|Turbine impeller assembly|
    DK113340B|1966-08-09|1969-03-10|Grundfos As|Flow apparatus, in particular scooters or centrifugal pump guides, and methods of making the same.|
    DE2622018A1|1976-05-18|1977-12-08|Kramer Carl|Centrifugal fan for hot gases - has ratio of eye to diameter between 1.75 and 3.0|DE3709518C2|1987-03-23|1995-01-19|Hilge Philipp Gmbh|Wheel|
    DE3731161C2|1987-09-17|1996-12-12|Klein Schanzlin & Becker Ag|Centrifugal pump impeller|
    US7632073B2|2005-06-08|2009-12-15|Dresser-Rand Company|Impeller with machining access panel|
    KR101682671B1|2014-07-31|2016-12-06|엔에이치엔엔터테인먼트 주식회사|Service method and system for recommending post associated appstore with timeline|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FI782578A|FI61233C|1978-08-23|1978-08-23|VINGHJUL HOS EN CENTRIFUGALFLAEKT SAERSKILT EN HOEGTRYCKSFLAEKT|
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