AU587363B1 - Improvements to helicopter rotor blades - Google Patents

Improvements to helicopter rotor blades

Info

Publication number
AU587363B1
AU587363B1 AU20045/88A AU2004588A AU587363B1 AU 587363 B1 AU587363 B1 AU 587363B1 AU 20045/88 A AU20045/88 A AU 20045/88A AU 2004588 A AU2004588 A AU 2004588A AU 587363 B1 AU587363 B1 AU 587363B1
Authority
AU
Australia
Prior art keywords
rotor blades
helicopter rotor
helicopter
blades
rotor
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.)
Ceased
Application number
AU20045/88A
Inventor
Richard Henry Tollervey
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU20045/88A priority Critical patent/AU587363B1/en
Priority to AU39747/89A priority patent/AU3974789A/en
Priority to PCT/AU1989/000311 priority patent/WO1990001002A1/en
Application granted granted Critical
Publication of AU587363B1 publication Critical patent/AU587363B1/en
Anticipated expiration legal-status Critical
Ceased 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
    • B64C11/003—Variable-diameter propellers; Mechanisms therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
AU20045/88A 1988-07-27 1988-07-27 Improvements to helicopter rotor blades Ceased AU587363B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU20045/88A AU587363B1 (en) 1988-07-27 1988-07-27 Improvements to helicopter rotor blades
AU39747/89A AU3974789A (en) 1988-07-27 1989-07-24 Helicopter rotor blades
PCT/AU1989/000311 WO1990001002A1 (en) 1988-07-27 1989-07-24 Helicopter rotor blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU20045/88A AU587363B1 (en) 1988-07-27 1988-07-27 Improvements to helicopter rotor blades

Publications (1)

Publication Number Publication Date
AU587363B1 true AU587363B1 (en) 1989-08-10

Family

ID=3709406

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20045/88A Ceased AU587363B1 (en) 1988-07-27 1988-07-27 Improvements to helicopter rotor blades

Country Status (2)

Country Link
AU (1) AU587363B1 (en)
WO (1) WO1990001002A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5543390A (en) 1990-11-01 1996-08-06 State Of Oregon, Acting By And Through The Oregon State Board Of Higher Education, Acting For And On Behalf Of The Oregon Health Sciences University Covalent microparticle-drug conjugates for biological targeting
US5827819A (en) * 1990-11-01 1998-10-27 Oregon Health Sciences University Covalent polar lipid conjugates with neurologically active compounds for targeting
US5473060A (en) * 1993-07-02 1995-12-05 Lynx Therapeutics, Inc. Oligonucleotide clamps having diagnostic applications
US5830658A (en) * 1995-05-31 1998-11-03 Lynx Therapeutics, Inc. Convergent synthesis of branched and multiply connected macromolecular structures
NO20000523A (en) * 2000-02-01 2001-07-02 Simicon As Device by a horizontal and vertical flying aircraft
FR3031958A1 (en) * 2015-01-23 2016-07-29 Franck Andre-Marie Guigan VARIABLE GEOMETRY PROPELLER
WO2017165456A1 (en) * 2016-03-23 2017-09-28 Amazon Technologies, Inc. Coaxially aligned propellers of an aerial vehicle
US11305874B2 (en) 2016-03-23 2022-04-19 Amazon Technologies, Inc. Aerial vehicle adaptable propeller blades
US10399666B2 (en) 2016-03-23 2019-09-03 Amazon Technologies, Inc. Aerial vehicle propulsion mechanism with coaxially aligned and independently rotatable propellers
US10583914B2 (en) 2016-03-23 2020-03-10 Amazon Technologies, Inc. Telescoping propeller blades for aerial vehicles
US10526070B2 (en) 2016-03-23 2020-01-07 Amazon Technologies, Inc. Aerial vehicle propulsion mechanism with coaxially aligned propellers
US10723440B2 (en) 2016-03-23 2020-07-28 Amazon Technologies, Inc. Aerial vehicle with different propeller blade configurations
CZ309473B6 (en) * 2018-04-18 2023-02-08 Václav Vondrášek Rotary lift and support disk for vertical take-off and landing and forward flight, how to fly with this rotary lift and support disk and its use
US11286037B2 (en) 2018-10-12 2022-03-29 Textron Innovations Inc. Ducted rotor blade tip extension
US11286036B2 (en) 2018-10-12 2022-03-29 Textron Innovations Inc. Ducted rotor blade tip extension
US11565799B2 (en) 2020-06-12 2023-01-31 Textron Innovations Inc. Adjustable ducted rotor blade tip extension

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU412346B2 (en) * 1968-03-08 1971-04-15 Thomas Hupf Martin Aircraft
AU512179B2 (en) * 1976-09-28 1980-09-25 J. F Wallace Autogyros
AU540743B2 (en) * 1980-10-10 1984-11-29 United Technologies Corporation Automatic lock-positioning of foldable helicopter blades

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1521047A (en) * 1924-05-22 1924-12-30 John H Reynolds Flying machine
US1961996A (en) * 1932-03-02 1934-06-05 Selden T Williams Airplane construction
US2020235A (en) * 1933-01-26 1935-11-05 Bradbury John Hinchcliffe Rotor screw suitable for helicopters
US2036011A (en) * 1934-05-14 1936-03-31 Carl A Barrett Aircraft
US2604950A (en) * 1946-04-23 1952-07-29 Charles O Sipe Helicopter rotor
FR1085378A (en) * 1953-02-02 1955-02-02 Rotary wing aircraft
GB797019A (en) * 1954-11-30 1958-06-25 Georges Libert Ghislain Marie Improvements relating to aircraft
DE1936123A1 (en) * 1969-07-16 1971-01-28 Friedrich Fricke Lens rotor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU412346B2 (en) * 1968-03-08 1971-04-15 Thomas Hupf Martin Aircraft
AU512179B2 (en) * 1976-09-28 1980-09-25 J. F Wallace Autogyros
AU540743B2 (en) * 1980-10-10 1984-11-29 United Technologies Corporation Automatic lock-positioning of foldable helicopter blades

Also Published As

Publication number Publication date
WO1990001002A1 (en) 1990-02-08

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