• 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:
    U The invention relates to a method of improving the part-load behaviour of a turbo machine operating with a rotor 13 having fixed vanes 14. The said method uses the feature of applying auxiliary fluid injection nozzles 18 near the inlet 11 of the rotor 13 for adding a small amount of fluid to the main fluid flow. The said additional amount is directed such that a substantial velocity component of the movement of this additional fluid is directed tangentially with respect to the rotation of the rotor.
    公开号:SU1301324A3
    申请号:SU823527362
    申请日:1982-12-22
    公开日:1987-03-30
    发明作者:Хендрикс Рудольф
    申请人:Томассен Интернэшнл Б.В. (Фирма)；
    IPC主号:
    专利说明:

    t
    The invention relates to a compress for growing and relates to a method for protecting a centrifugal compressor from a page,
    FIG. 1 shows a centrifugal compressor, a longitudinal section; in fig. 2 is a section A-A in FIG. one,
    The centrifugal compressor includes an impeller 1 installed in the housing 2 with the inlet element 3 and the output element 4, and a device for supplying additional working medium located in front of the impeller 1. The device for supplying additional working medium is made in the form of nozzles 5 ,, located end; Centrically axis aa of the compressor at distances x R, greater than the outer radius R, at an angle oi to the radial direction. The compressor can be equipped with struts 6 and communicating nozzles 5 with an output element 4 of tubes 7 mounted concentrically to the a-a axis, the nozzles 5 being located on the inner surface of the struts 6, and the feed tubes 7 located at a smaller distance J than struts 6 .
    The method of protecting the centrifugal compressor from surging is carried out by additionally supplying the working medium to the inlet, for example, to the inlet element 3, with the additional working medium being fed in an amount of 0.1-5% from the main through nozzles 5 located circumferentially with a radius Kd of large external radius R of the impeller 1, relative to the direction of rotation of the impeller 1.
    Additional supply of working medium along a set of points located around a circle with a radius greater than the outer radius of the impeller at an angle to the radial direction contributes to

    3013242
    the tangential component of the speed as it approaches the wheel, which ensures the stability of the work with a minimum amount: full supply of the working medium, 0.1-5% of the main
    O
    five
    0
    five
    0
    five
    0
    five
    权利要求:
    Claims (3)
    [1]
    1. A method of protecting a centrifugal compressor from surging by additionally supplying the working medium to the inlet, characterized in that, in order to ensure stable operation, additional working medium is supplied in an amount of 0.1-5% of the main one at points located around a circle with a radius of large outer radius of the impeller, relative to the direction of rotation of the impeller.
    [2]
    2. A centrifugal compressor comprising an impeller mounted in a housing with inlet and outlet elements, and a device for supplying additional working medium located in front of the impeller, characterized in that
    in order to ensure stable operation, the device for supplying additional working medium is made in the form of nozzles located concentrically with the axis of the compressor at a distance greater than the outer radius at an angle to the radial direction,
    [3]
    3. The compressor according to claim 2, characterized in that it is additionally equipped with struts and communicating nozzles with an outlet element with tubes mounted concentrically to the axis, the nozzles being located on the inner surface of the struts, and the supply tubes are located at a smaller distance from the axis, than the rack.
    Compiled by T, Mazo Editor I. Rybchenko Tehred A. Kravchuk
    Order. 1164/59 Circulation 575 Subscription
    VNIIPI USSR State Committee
    for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
    Production and printing company, Uzhgorod, st. Project, 4
    9g i
    Proofreader L. Pilipenko
    类似技术:
    公开号 | 公开日 | 专利标题
    RU2008527C1|1994-02-28|Centrifugal pump impeller
    US4066381A|1978-01-03|Turbine stator nozzles
    SE467466B|1992-07-20|DEVICE FOR FLUIDIZATION, GAS SEPARATION AND PUMPING OF A SUSPENSION OF FIBER-containing CELLULO MATERIAL, AND ITS APPLICATION
    SU1301324A3|1987-03-30|Method for protecting centrifugal compressor from surging and centrifugal compressor
    US4641498A|1987-02-10|Geothermal turbine
    US2875696A|1959-03-03|Centrifugal pumps, in particular for feeding fuel to fuel injection engines
    US4390319A|1983-06-28|Turbine exhaust hood
    US5447413A|1995-09-05|Stator endwall for an elastic-fluid turbine
    US3861821A|1975-01-21|Device for producing angular momentum in a flow of working fluid upstream of the first rotor blade of an axial-flow turbomachine
    JP2739874B2|1998-04-15|Inducer pump with shroud
    US5507617A|1996-04-16|Regenerative turbine pump having low horsepower requirements under variable flow continuous operation
    SU1513202A1|1989-10-07|Scoop pump
    SU1252553A1|1986-08-23|Axial-flow fan
    JPS6036702A|1985-02-25|Multi-stage turbo machine
    US4573870A|1986-03-04|Solid turbine wheel with guided discharge
    SU137013A1|1960-11-30|Centrifugal booster pump for jet engine fuel systems with software control
    RU2011016C1|1994-04-15|Partial centrifugal pump for pumping fluids with suspension
    CA1141232A|1983-02-15|Vane pump
    SE8104956L|1982-02-23|SET TO DRIVE AN AXIAL FLOW MACHINE AND MACHINE PERFORMANCE MACHINE
    SU853190A1|1981-08-07|Centrifugal pump for pumping fluids
    SU370362A1|1973-02-15|AXIAL HYDRAULIC MACHINE
    SU1200960A1|1985-12-30|Rotary pulser
    SU1498956A1|1989-08-07|Pump
    SU1112154A1|1984-09-07|Jet pump
    SU557205A1|1977-05-05|Centrifugal pump
    同族专利:
    公开号 | 公开日
    AU9181082A|1983-06-30|
    ES518440A0|1983-10-01|
    AT26745T|1987-05-15|
    AU556904B2|1986-11-27|
    JPS58126499A|1983-07-27|
    BR8207459A|1983-10-18|
    ES8308618A1|1983-10-01|
    DE3276129D1|1987-05-27|
    US4533293A|1985-08-06|
    ZA829354B|1984-08-29|
    CA1227141A|1987-09-22|
    NL8105790A|1983-07-18|
    NO823735L|1983-06-23|
    EP0082578A1|1983-06-29|
    EP0082578B1|1987-04-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3123285A|1964-03-03|Diffuser with boundary layer control |
    US1787655A|1929-05-18|1931-01-06|American Blower Corp|Apparatus and method of controlling fans|
    GB745693A|1951-01-04|1956-02-29|Snecma|Device for controlling the flow of fluid between cambered blades|
    US2798658A|1955-03-01|1957-07-09|Westinghouse Electric Corp|Volume controls for centrifugal fans|
    US3032313A|1956-04-09|1962-05-01|Bertin & Cie|Turbo-machines|
    US3041848A|1959-06-01|1962-07-03|Garrett Corp|Variable head compressor|
    GB997863A|1962-07-24|1965-07-07|B S A Harford Pumps Ltd|Improvements relating to centrifugal pumps|
    US3305165A|1963-12-20|1967-02-21|Alfred T Gregory|Elastic fluid compressor|
    US3390545A|1967-06-28|1968-07-02|Trane Co|Boundary layer control on interstage guide vanes of a multistage centrifugal compressor in a refrigeration system|
    US3957389A|1967-10-26|1976-05-18|Bio-Medicus, Inc.|Pumping apparatus and process characterized by gentle operation|
    CH501825A|1969-12-12|1971-01-15|Svenska Flygmotorer Ab|Method and device for regulating the speed profile of the working medium in the inlet section of radial and axial flow machines|
    US3643675A|1970-01-02|1972-02-22|Lennart Wetterstad|Method and device for providing a control of the velocity profile of the working medium in the inlet of flow medium|
    US3922108A|1974-03-18|1975-11-25|Wallace Murray Corp|Pre-whirl turbo charger apparatus|
    US3941499A|1974-11-06|1976-03-02|United Turbine Ab & Co., Kommanditbolag|Compressor having two or more stages|
    FR2294345B1|1974-12-13|1982-03-05|United Turbine Ab & Co|
    SU739257A1|1977-08-01|1980-06-05|Институт Горной Механики И Технической Кибернетики Им.М.М.Федорова|Working wheel of centrifugal fan|
    US4228753A|1979-02-27|1980-10-21|The United States Of America As Represented By The Secretary Of The Navy|Fluidic controlled diffusers for turbopumps|
    US4428714A|1981-08-18|1984-01-31|A/S Kongsberg Vapenfabrikk|Pre-swirl inlet guide vanes for compressor|US4590759A|1984-01-27|1986-05-27|Pratt & Whitney Canada Inc.|Method and apparatus for improving acceleration in a multi-shaft gas turbine engine|
    US4640091A|1984-01-27|1987-02-03|Pratt & Whitney Canada Inc.|Apparatus for improving acceleration in a multi-shaft gas turbine engine|
    US5180278A|1990-09-14|1993-01-19|United Technologies Corp.|Surge-tolerant compression system|
    US7326027B1|2004-05-25|2008-02-05|The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration|Devices and methods of operation thereof for providing stable flow for centrifugal compressors|
    CA2549749C|2006-06-09|2015-05-19|General Electric Company|Control jet for hydraulic turbine|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NL8105790A|NL8105790A|1981-12-22|1981-12-22|METHOD FOR IMPROVING THE PARTIAL LOAD BEHAVIOR OF A FLOWING MACHINE, COMPRESSOR OR PUMP ORIENTED FOR APPLYING THIS METHOD|
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