FR2136697A5 - - Google Patents

Info

Publication number
FR2136697A5
FR2136697A5 FR7214776A FR7214776A FR2136697A5 FR 2136697 A5 FR2136697 A5 FR 2136697A5 FR 7214776 A FR7214776 A FR 7214776A FR 7214776 A FR7214776 A FR 7214776A FR 2136697 A5 FR2136697 A5 FR 2136697A5
Authority
FR
France
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
FR7214776A
Other languages
French (fr)
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.)
MAC MURTRY DAVID
Original Assignee
MAC MURTRY DAVID
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 MAC MURTRY DAVID filed Critical MAC MURTRY DAVID
Application granted granted Critical
Publication of FR2136697A5 publication Critical patent/FR2136697A5/fr
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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
FR7214776A 1971-04-27 1972-04-26 Expired FR2136697A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1172871A GB1371371A (en) 1971-04-27 1971-04-27 Variable pitch fans or propellers particularly for gas turbine engines

Publications (1)

Publication Number Publication Date
FR2136697A5 true FR2136697A5 (en) 1972-12-22

Family

ID=9991590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214776A Expired FR2136697A5 (en) 1971-04-27 1972-04-26

Country Status (4)

Country Link
US (1) US3794442A (en)
DE (1) DE2220468C3 (en)
FR (1) FR2136697A5 (en)
GB (1) GB1371371A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021142A (en) * 1974-10-09 1977-05-03 United Technologies Corporation Pitch-change apparatus for a ducted thrust fan
US3964839A (en) * 1974-10-21 1976-06-22 United Technologies Corporation Pitch change mechanism
GB8517474D0 (en) * 1985-07-10 1985-08-14 Dowty Rotol Ltd Variable-pitch bladed rotors
GB2182727B (en) * 1985-11-12 1989-09-27 Gen Electric Propeller/fan pitch feathering apparatus
GB2199378B (en) * 1986-12-24 1991-02-13 Rolls Royce Plc Pitch change arrangement for a variable pitch fan
US4948339A (en) * 1989-01-23 1990-08-14 General Electric Company Propeller blade counterweight
US5685694A (en) * 1995-11-07 1997-11-11 Sundstrand Corporation Air driven turbine having a blade pitch changing mechanism including overspeed protection
US8845270B2 (en) 2010-09-10 2014-09-30 Rolls-Royce Corporation Rotor assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE675377C (en) * 1936-07-11 1939-05-06 Kloeckner Humboldt Deutz Akt G Screw fan
US2460559A (en) * 1943-10-09 1949-02-01 Wildhaber Ernest Blade pitch adjustment
US2514477A (en) * 1945-06-11 1950-07-11 Curtiss Wright Corp Variable pitch propeller
US2533358A (en) * 1945-06-11 1950-12-12 Curtiss Wright Corp Variable pitch propeller
US2477954A (en) * 1947-04-01 1949-08-02 Blanc Jacques Jean Louis Gas turbine
GB1296062A (en) * 1969-05-03 1972-11-15
US3687569A (en) * 1971-03-19 1972-08-29 Gen Electric Rotor with variable angle blades

Also Published As

Publication number Publication date
DE2220468C3 (en) 1980-02-07
DE2220468A1 (en) 1972-11-02
GB1371371A (en) 1974-10-23
DE2220468B2 (en) 1979-06-07
US3794442A (en) 1974-02-26

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse