GB8812981D0 - Propeller blade hub assembly - Google Patents

Propeller blade hub assembly

Info

Publication number
GB8812981D0
GB8812981D0 GB888812981A GB8812981A GB8812981D0 GB 8812981 D0 GB8812981 D0 GB 8812981D0 GB 888812981 A GB888812981 A GB 888812981A GB 8812981 A GB8812981 A GB 8812981A GB 8812981 D0 GB8812981 D0 GB 8812981D0
Authority
GB
United Kingdom
Prior art keywords
hub assembly
propeller blade
blade hub
propeller
assembly
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.)
Pending
Application number
GB888812981A
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.)
Dowty Rotol Ltd
Original Assignee
Dowty Rotol Ltd
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 Dowty Rotol Ltd filed Critical Dowty Rotol Ltd
Priority to GB888812981A priority Critical patent/GB8812981D0/en
Publication of GB8812981D0 publication Critical patent/GB8812981D0/en
Priority to GB8912374A priority patent/GB2219354A/en
Priority to FR8907257A priority patent/FR2632270A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/32—Blade pitch-changing mechanisms mechanical
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB888812981A 1988-06-01 1988-06-01 Propeller blade hub assembly Pending GB8812981D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB888812981A GB8812981D0 (en) 1988-06-01 1988-06-01 Propeller blade hub assembly
GB8912374A GB2219354A (en) 1988-06-01 1989-05-30 Propeller blade mounting and pitch change arrangement
FR8907257A FR2632270A1 (en) 1988-06-01 1989-06-01 Hub and blade assembly for a propellor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888812981A GB8812981D0 (en) 1988-06-01 1988-06-01 Propeller blade hub assembly

Publications (1)

Publication Number Publication Date
GB8812981D0 true GB8812981D0 (en) 1988-07-06

Family

ID=10637894

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888812981A Pending GB8812981D0 (en) 1988-06-01 1988-06-01 Propeller blade hub assembly
GB8912374A Withdrawn GB2219354A (en) 1988-06-01 1989-05-30 Propeller blade mounting and pitch change arrangement

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8912374A Withdrawn GB2219354A (en) 1988-06-01 1989-05-30 Propeller blade mounting and pitch change arrangement

Country Status (2)

Country Link
FR (1) FR2632270A1 (en)
GB (2) GB8812981D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB554665A (en) * 1942-01-12 1943-07-14 Bristol Aeroplane Co Ltd Improvements in or relating to co-axial oppositely rotating airscrews
US4738590A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism

Also Published As

Publication number Publication date
GB8912374D0 (en) 1989-07-12
GB2219354A (en) 1989-12-06
FR2632270A1 (en) 1989-12-08

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