GB1232037A - - Google Patents

Info

Publication number
GB1232037A
GB1232037A GB1232037DA GB1232037A GB 1232037 A GB1232037 A GB 1232037A GB 1232037D A GB1232037D A GB 1232037DA GB 1232037 A GB1232037 A GB 1232037A
Authority
GB
United Kingdom
Prior art keywords
blade
glass fibre
shank
rotor
sleeve
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
Application number
Other languages
English (en)
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
Priority claimed from DE1531375A external-priority patent/DE1531375C3/de
Application filed filed Critical
Publication of GB1232037A publication Critical patent/GB1232037A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/37—Rotors having articulated joints
    • B64C27/45—Rotors having articulated joints with a feathering hinge only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Moulding By Coating Moulds (AREA)
GB1232037D 1967-09-14 1968-08-06 Expired GB1232037A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1531375A DE1531375C3 (de) 1967-09-14 1967-09-14 Schlag- und schwenkgelenkloser, aber nicht starrer Rotor

Publications (1)

Publication Number Publication Date
GB1232037A true GB1232037A (cs) 1971-05-19

Family

ID=5675485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232037D Expired GB1232037A (cs) 1967-09-14 1968-08-06

Country Status (3)

Country Link
US (1) US3477796A (cs)
FR (1) FR1595587A (cs)
GB (1) GB1232037A (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3782856A (en) * 1972-05-31 1974-01-01 United Aircraft Corp Composite aerodynamic blade with twin-beam spar
US4083656A (en) * 1975-03-21 1978-04-11 Textron, Inc. Composite rotor blade
US4302155A (en) * 1979-01-08 1981-11-24 Hartzell Propeller, Inc. Air craft propeller assembly with composite blades
US4304694A (en) * 1979-12-03 1981-12-08 United Technologies Corporation High damping epoxy resin composite
US5549455A (en) * 1992-07-15 1996-08-27 Aerostar Marine Corporation Through the hub exhaust flow improvements for marine variable pitch propeller
US7699260B2 (en) * 2005-01-14 2010-04-20 Hughey Electricopter Corporation Vertical takeoff and landing aircraft using a redundant array of independent rotors
CN104890865B (zh) * 2015-06-01 2017-08-25 深圳市大疆创新科技有限公司 机臂组件、机架及无人机
US10415581B1 (en) * 2018-04-25 2019-09-17 Brien Aven Seeley Ultra-quiet propeller system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588570A (en) * 1946-10-31 1952-03-11 Autogiro Co Of America Blade construction for aircraft sustaining rotors
US2484141A (en) * 1947-01-09 1949-10-11 United Aircraft Corp Skin stressed laminated fiberglas rotor blade
US2659444A (en) * 1949-06-21 1953-11-17 Autogiro Co Of America Molded aircraft sustaining rotor blade
US3000446A (en) * 1958-08-25 1961-09-19 Studebaker Packard Corp Helicopter rotor blades
FR1334446A (fr) * 1961-06-28 1963-08-09 Bolkow Entwicklungen Kg Articulation sans frottement
US3237697A (en) * 1963-02-11 1966-03-01 Boeing Co Helicopter rotor blade
US3321019A (en) * 1965-10-22 1967-05-23 United Aircraft Corp Fiberglass blade

Also Published As

Publication number Publication date
FR1595587A (cs) 1970-06-15
US3477796A (en) 1969-11-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years