JPS558680B2 - - Google Patents

Info

Publication number
JPS558680B2
JPS558680B2 JP7451873A JP7451873A JPS558680B2 JP S558680 B2 JPS558680 B2 JP S558680B2 JP 7451873 A JP7451873 A JP 7451873A JP 7451873 A JP7451873 A JP 7451873A JP S558680 B2 JPS558680 B2 JP S558680B2
Authority
JP
Japan
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
JP7451873A
Other languages
Japanese (ja)
Other versions
JPS4944307A (pl
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 filed Critical
Publication of JPS4944307A publication Critical patent/JPS4944307A/ja
Publication of JPS558680B2 publication Critical patent/JPS558680B2/ja
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D7/00—Rotors with blades adjustable in operation; Control thereof
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/322—Blade mountings
    • F04D29/323—Blade mountings adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
JP7451873A 1972-07-06 1973-07-03 Expired JPS558680B2 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3157072A GB1430596A (en) 1972-07-06 1972-07-06 Multi-bladed fans

Publications (2)

Publication Number Publication Date
JPS4944307A JPS4944307A (pl) 1974-04-26
JPS558680B2 true JPS558680B2 (pl) 1980-03-05

Family

ID=10325101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7451873A Expired JPS558680B2 (pl) 1972-07-06 1973-07-03

Country Status (5)

Country Link
US (1) US3860361A (pl)
JP (1) JPS558680B2 (pl)
DE (1) DE2333274A1 (pl)
FR (1) FR2192626A5 (pl)
GB (1) GB1430596A (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6316486B2 (pl) * 1980-07-30 1988-04-08 Kanai Hiroyuki

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984194A (en) * 1974-04-12 1976-10-05 Aktiebolaget Svenska Flaktfabriken Axial flow fans
US4047840A (en) * 1975-05-29 1977-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Impact absorbing blade mounts for variable pitch blades
US4045149A (en) * 1976-02-03 1977-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Platform for a swing root turbomachinery blade
US4019832A (en) * 1976-02-27 1977-04-26 General Electric Company Platform for a turbomachinery blade
US4130381A (en) * 1977-06-08 1978-12-19 Levin Efim M Impeller of axial-flow fan
US4227129A (en) * 1979-01-29 1980-10-07 Spin Physics, Inc. Apparatus for detecting the speed of an electric motor
CH659851A5 (de) * 1981-06-05 1987-02-27 Escher Wyss Ag Turbine.
JPS58201228A (ja) * 1982-05-20 1983-11-24 Toshiba Corp カラ−受像管螢光面形成用露光装置
WO1986004385A1 (en) * 1985-01-24 1986-07-31 Sundstrand Corporation Ram air turbine
GB2201731B (en) * 1987-03-03 1990-08-29 Rolls Royce Plc Fan casing and fan blade loading/unloading
DE3818466C1 (pl) * 1988-05-31 1989-12-21 Mtu Muenchen Gmbh
US5165856A (en) * 1988-06-02 1992-11-24 General Electric Company Fan blade mount
US5102302A (en) * 1988-06-02 1992-04-07 General Electric Company Fan blade mount
US5022825A (en) * 1988-10-07 1991-06-11 United Technologies Corporation Pitch retention member
US5102300A (en) * 1988-10-07 1992-04-07 United Technologies Corporation Pinned airfoil propeller assembly
US5022824A (en) * 1988-10-07 1991-06-11 United Technologies Corporation Pinned airfoil propeller blade
FR2654773B1 (fr) * 1989-11-22 1992-02-14 Snecma Rotor de turbomachine a flux axial.
US5277548A (en) * 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
US5368444A (en) * 1993-08-30 1994-11-29 General Electric Company Anti-fretting blade retention means
US6109871A (en) * 1997-03-31 2000-08-29 Horton, Inc. Integrated fan assembly with variable pitch blades
US6253716B1 (en) 1999-07-07 2001-07-03 Horton, Inc. Control system for cooling fan assembly having variable pitch blades
ITBA20010002A1 (it) * 2001-01-11 2002-07-11 Paolo Pietricola Fan a passo variabile.
US6682308B1 (en) 2002-08-01 2004-01-27 Kaz, Inc. Fan with adjustable mount
US8662846B2 (en) 2010-09-14 2014-03-04 General Electric Company Bidirectional fan having self-adjusting vane
FR2995948B1 (fr) 2012-09-24 2018-07-27 Snecma Systeme de retention d'aubes et procede d'assemblage
EP2994628A4 (en) * 2013-05-09 2017-01-18 United Technologies Corporation Turbofan engine front section
EP3957847A1 (en) 2013-05-09 2022-02-23 Raytheon Technologies Corporation Turbofan engine front section
US10288083B2 (en) * 2015-11-16 2019-05-14 General Electric Company Pitch range for a variable pitch fan
FR3053725B1 (fr) * 2016-07-07 2020-04-24 Safran Aircraft Engines Turbomachine d'avion avec des aubes mobiles en battement et en pas
GB201811861D0 (en) * 2018-07-20 2018-09-05 Rolls Royce Plc Supersonic aircraft turbofan engine
US11306601B2 (en) * 2018-10-18 2022-04-19 Raytheon Technologies Corporation Pinned airfoil for gas turbine engines

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344266A (en) * 1941-06-27 1944-03-14 Reissner Hans Aircraft propeller construction
US2436087A (en) * 1944-12-04 1948-02-17 Ernest H Benson Cooling fan for aircraft engines
US2587247A (en) * 1948-05-28 1952-02-26 Estey M Turner Twin blade mounting for fans and propellers
GB750397A (en) * 1951-12-10 1956-06-13 Power Jets Res & Dev Ltd Damped turbine and dynamic compressor blades
US2990156A (en) * 1956-08-17 1961-06-27 Gen Electric Blade damping means
US2944787A (en) * 1957-03-20 1960-07-12 United Aircraft Corp Compressor blade limit stops
NL288322A (pl) * 1962-05-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6316486B2 (pl) * 1980-07-30 1988-04-08 Kanai Hiroyuki

Also Published As

Publication number Publication date
FR2192626A5 (pl) 1974-02-08
DE2333274A1 (de) 1974-01-24
GB1430596A (en) 1976-03-31
US3860361A (en) 1975-01-14
JPS4944307A (pl) 1974-04-26

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