GB1120672A - Inducer for a radial flow pump - Google Patents

Inducer for a radial flow pump

Info

Publication number
GB1120672A
GB1120672A GB32834/65A GB3283465A GB1120672A GB 1120672 A GB1120672 A GB 1120672A GB 32834/65 A GB32834/65 A GB 32834/65A GB 3283465 A GB3283465 A GB 3283465A GB 1120672 A GB1120672 A GB 1120672A
Authority
GB
United Kingdom
Prior art keywords
inducer
blade pitch
blade
rate
flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB32834/65A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sundstrand Corp
Original Assignee
Sundstrand Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sundstrand Corp filed Critical Sundstrand Corp
Publication of GB1120672A publication Critical patent/GB1120672A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point

Abstract

1,120,672. Centrifugal pumps. SUNSTRAND CORP. July 30, 1965 [Aug. 21, 1964], No.32834/65. Heading F1C. An axial-flow inducer for a radial-flow pump (i. e. a bladed rotor located in front of the pump impeller and rotating therewith) comprises a cylindrical or conical hub-carrying at least one helical blade, the blade pitch increasing from the suction end to the outlet end of the inducer and the rate of change of the blade pitch increasing over at least a portion of the axial length of the inducer. Over an initial part of the inducer, the rate of increase of blade pitch is small to prevent cavitation. Subsequently, the rate of increase is large but below the value at which separation of flow from the blade would occur. Mathematical formulae for determining the blade pitch are given.
GB32834/65A 1964-08-21 1965-07-30 Inducer for a radial flow pump Expired GB1120672A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US391118A US3299821A (en) 1964-08-21 1964-08-21 Pump inducer

Publications (1)

Publication Number Publication Date
GB1120672A true GB1120672A (en) 1968-07-24

Family

ID=23545321

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32834/65A Expired GB1120672A (en) 1964-08-21 1965-07-30 Inducer for a radial flow pump

Country Status (3)

Country Link
US (1) US3299821A (en)
DE (1) DE1528836A1 (en)
GB (1) GB1120672A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522997A (en) * 1968-07-01 1970-08-04 Rylewski Eugeniusz Inducer
US3442220A (en) * 1968-08-06 1969-05-06 Rolls Royce Rotary pump
GB1523893A (en) 1975-03-13 1978-09-06 Nikkiso Co Ltd Pump with axial flow inducer
JPS51105603A (en) * 1975-03-13 1976-09-18 Nikkiso Co Ltd Jikuryuindeyuusanokairyo
US4275988A (en) * 1978-12-18 1981-06-30 Kalashnikov L F Axial or worm-type centrifugal impeller pump
SU1023138A1 (en) * 1979-03-19 1983-06-15 Предприятие П/Я В-8534 Impeller pump
FR2471501A1 (en) * 1979-12-17 1981-06-19 Inst Francais Du Petrole DEVICE FOR PUMPING DIPHASIC FLUIDS
US4481020A (en) * 1982-06-10 1984-11-06 Trw Inc. Liquid-gas separator apparatus
US5482117A (en) * 1994-12-13 1996-01-09 Atlantic Richfield Company Gas-liquid separator for well pumps
US7018170B2 (en) * 1999-07-29 2006-03-28 Rosefsky Jonathan B Ribbon drive pumping apparatus and method with added fluid
EP1203160B1 (en) * 1999-07-29 2004-06-30 Jonathan B. Rosefsky Ribbon drive propulsion system and method
US6527520B2 (en) 1999-07-29 2003-03-04 Jonathan B. Rosefsky Ribbon drive pumping with centrifugal contaminant removal
US6435829B1 (en) * 2000-02-03 2002-08-20 The Boeing Company High suction performance and low cost inducer design blade geometry
US7207767B2 (en) * 2002-07-12 2007-04-24 Ebara Corporation Inducer, and inducer-equipped pump
JP4503264B2 (en) * 2003-11-05 2010-07-14 株式会社荏原製作所 Inducers and pumps
WO2005057016A2 (en) * 2003-12-05 2005-06-23 Argo-Tech Corporation High performance inducer
JP4093586B1 (en) * 2007-02-23 2008-06-04 株式会社プラントコンストラクトアンドエンジニアリング Mass transfer device
WO2011017372A1 (en) * 2009-08-03 2011-02-10 Ebara International Corporation Multi-stage inducer for centrifugal pumps
GB201810885D0 (en) 2018-07-03 2018-08-15 Rolls Royce Plc High efficiency gas turbine engine
US10436035B1 (en) * 2018-07-03 2019-10-08 Rolls-Royce Plc Fan design
CN116785583A (en) * 2022-03-15 2023-09-22 上海微创心力医疗科技有限公司 Impeller structure, heart pump and heart assist system

Family Cites Families (21)

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Publication number Priority date Publication date Assignee Title
US907591A (en) * 1906-10-29 1908-12-22 James Joseph Gilday Air-pump.
US1199374A (en) * 1913-01-13 1916-09-26 Green Fuel Economizer Company Conical-flow fan.
US1199375A (en) * 1913-01-13 1916-09-26 Green Fuel Economizer Company Fan.
US1509653A (en) * 1921-09-01 1924-09-23 Kaplan Victor Runner wheel for turbines, etc.
US1688808A (en) * 1925-12-24 1928-10-23 Gill James Herbert Wainwright Axial-flow hydraulic machine
US1807397A (en) * 1927-05-20 1931-05-26 Westinghouse Electric & Mfg Co Propeller type pump or fan
US1887417A (en) * 1931-08-31 1932-11-08 Drysdale & Co Ltd Rotary pump and fan
GB471671A (en) * 1936-02-08 1937-09-08 Cornelis Willem Stants Screw motor
US2378372A (en) * 1937-12-15 1945-06-12 Whittle Frank Turbine and compressor
US2426270A (en) * 1943-04-05 1947-08-26 Power Jets Res & Dev Ltd Blades for axial flow compressors and turbines
US2384000A (en) * 1944-05-04 1945-09-04 Frank L Wattendorf Axial flow fan and compressor
FR912181A (en) * 1945-02-09 1946-08-01 Helical air compressor device for various uses
US2505755A (en) * 1946-06-10 1950-05-02 Kaiser Metal Products Inc Axial flow compressor
US2605956A (en) * 1949-08-13 1952-08-05 Chrysler Corp Power conversion machine
US2698249A (en) * 1949-09-13 1954-12-28 Kraft Foods Co Cheese packaging
US3059834A (en) * 1957-02-21 1962-10-23 Hausammann Werner Turbo rotor
US3028140A (en) * 1957-06-17 1962-04-03 James R Lage Rotary fluid flow machine having rotor vanes constructed according to three dimensional calculations
US3070061A (en) * 1959-09-03 1962-12-25 Harold A Rightmyer Progressive thrust propeller
US3068799A (en) * 1960-11-28 1962-12-18 Borg Warner Liquid vapor pump
US3163119A (en) * 1961-07-03 1964-12-29 North American Aviation Inc Inducer
US3168048A (en) * 1962-11-14 1965-02-02 Dengyosha Mach Works Full range operable high specific speed pumps

Also Published As

Publication number Publication date
DE1528836A1 (en) 1970-07-02
US3299821A (en) 1967-01-24

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