GB2201731B - Fan casing and fan blade loading/unloading - Google Patents

Fan casing and fan blade loading/unloading

Info

Publication number
GB2201731B
GB2201731B GB8801047A GB8801047A GB2201731B GB 2201731 B GB2201731 B GB 2201731B GB 8801047 A GB8801047 A GB 8801047A GB 8801047 A GB8801047 A GB 8801047A GB 2201731 B GB2201731 B GB 2201731B
Authority
GB
United Kingdom
Prior art keywords
fan
unloading
blade loading
casing
fan blade
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 - Fee Related
Application number
GB8801047A
Other versions
GB8801047D0 (en
GB2201731A (en
Inventor
Derick Alfred Perry
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of GB8801047D0 publication Critical patent/GB8801047D0/en
Publication of GB2201731A publication Critical patent/GB2201731A/en
Application granted granted Critical
Publication of GB2201731B publication Critical patent/GB2201731B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • 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
    • F05D2260/00—Function
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/79—Bearing, support or actuation arrangements therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
GB8801047A 1987-03-03 1988-01-18 Fan casing and fan blade loading/unloading Expired - Fee Related GB2201731B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2134887A 1987-03-03 1987-03-03

Publications (3)

Publication Number Publication Date
GB8801047D0 GB8801047D0 (en) 1988-02-17
GB2201731A GB2201731A (en) 1988-09-07
GB2201731B true GB2201731B (en) 1990-08-29

Family

ID=21803698

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8801047A Expired - Fee Related GB2201731B (en) 1987-03-03 1988-01-18 Fan casing and fan blade loading/unloading

Country Status (4)

Country Link
JP (1) JP2860099B2 (en)
DE (1) DE3805586C2 (en)
FR (1) FR2611821B1 (en)
GB (1) GB2201731B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6375410B2 (en) * 2000-02-07 2002-04-23 General Electric Company Frangible cover for turbofan engine blade removal and access
RU2449154C2 (en) * 2010-06-25 2012-04-27 Открытое акционерное общество "Авиадвигатель" Gas turbine propfan engine
FR3135758A1 (en) * 2022-05-20 2023-11-24 Safran Aircraft Engines Retention casing of a fan having a truncated spherical part

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851214A (en) * 1955-10-12 1958-09-09 Stork Koninklijke Maschf Axial flow fans or axial flow pumps
US3386155A (en) * 1963-07-01 1968-06-04 Dominion Eng Works Ltd Method of fitting seal rings to blades
GB1430596A (en) * 1972-07-06 1976-03-31 Rolls Royce Multi-bladed fans
US3934410A (en) * 1972-09-15 1976-01-27 The United States Of America As Represented By The Secretary Of The Navy Quiet shrouded circulation control propeller
FR2539702B3 (en) * 1983-01-20 1985-10-25 Septem Sa DEVICE FOR OPTIMIZING THE PROPULSION PERFORMANCE OF A MU VEHICLE BY A PROPELLER
DE3366618D1 (en) * 1983-10-14 1986-11-06 Howden James & Co Ltd Variable pitch axial flow fan
GB2159886B (en) * 1984-06-07 1988-01-27 Rolls Royce Fan duct casing
US4907944A (en) * 1984-10-01 1990-03-13 General Electric Company Turbomachinery blade mounting arrangement

Also Published As

Publication number Publication date
JPS63215840A (en) 1988-09-08
JP2860099B2 (en) 1999-02-24
FR2611821B1 (en) 1990-07-20
GB8801047D0 (en) 1988-02-17
DE3805586A1 (en) 1988-09-15
DE3805586C2 (en) 1998-01-15
FR2611821A1 (en) 1988-09-09
GB2201731A (en) 1988-09-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000118