DE68912492D1 - Zusammenbau eines Luftschraubenblattes durch einen Stift. - Google Patents

Zusammenbau eines Luftschraubenblattes durch einen Stift.

Info

Publication number
DE68912492D1
DE68912492D1 DE89118623T DE68912492T DE68912492D1 DE 68912492 D1 DE68912492 D1 DE 68912492D1 DE 89118623 T DE89118623 T DE 89118623T DE 68912492 T DE68912492 T DE 68912492T DE 68912492 D1 DE68912492 D1 DE 68912492D1
Authority
DE
Germany
Prior art keywords
pin
assembly
propeller blade
propeller
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
DE89118623T
Other languages
English (en)
Other versions
DE68912492T2 (de
Inventor
John Alfred Violette
Sean Auyeung
David Peter Nagle
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of DE68912492D1 publication Critical patent/DE68912492D1/de
Application granted granted Critical
Publication of DE68912492T2 publication Critical patent/DE68912492T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE68912492T 1988-10-07 1989-10-06 Zusammenbau eines Luftschraubenblattes durch einen Stift. Expired - Fee Related DE68912492T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/255,815 US5102300A (en) 1988-10-07 1988-10-07 Pinned airfoil propeller assembly

Publications (2)

Publication Number Publication Date
DE68912492D1 true DE68912492D1 (de) 1994-03-03
DE68912492T2 DE68912492T2 (de) 1994-08-18

Family

ID=22969986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912492T Expired - Fee Related DE68912492T2 (de) 1988-10-07 1989-10-06 Zusammenbau eines Luftschraubenblattes durch einen Stift.

Country Status (5)

Country Link
US (1) US5102300A (de)
EP (1) EP0362886B1 (de)
JP (1) JPH02144297A (de)
CA (1) CA1335444C (de)
DE (1) DE68912492T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7422419B2 (en) * 2005-08-17 2008-09-09 Hamilton Sundstrand Corporation Propeller blade retention system
US7845910B2 (en) * 2007-06-05 2010-12-07 Hamilton Sundstrand Corporation Propeller blade retention system with tapered roller bearing cartridge assemblies
GB0822681D0 (en) * 2008-12-12 2009-01-21 Aviat Entpr Ltd Rotor blades
US8118562B2 (en) * 2009-03-03 2012-02-21 Hamilton Sundstrand Corporation Sacrificial blade tip
US20110182741A1 (en) * 2010-01-26 2011-07-28 United Technologies Corporation Composite fan blade leading edge recamber
US8672634B2 (en) 2010-08-30 2014-03-18 United Technologies Corporation Electroformed conforming rubstrip
FR2970943B1 (fr) 2011-01-31 2014-02-28 Eurocopter France Pale et procede de fabrication de ladite pale
FR2977235B1 (fr) 2011-06-30 2013-07-12 Eurocopter France Pale de rotor, et aeronef
US8834098B2 (en) 2011-12-02 2014-09-16 United Technologies Corporation Detuned vane airfoil assembly
FR3021030B1 (fr) * 2014-05-14 2018-01-05 Ratier Figeac Pale a ancrage securise en translation radiale, helice, turbomachine et aeronef
US10145244B2 (en) * 2015-07-06 2018-12-04 Bell Helicopter Textron Inc. Rotorcraft rotor blade assembly
FR3053725B1 (fr) * 2016-07-07 2020-04-24 Safran Aircraft Engines Turbomachine d'avion avec des aubes mobiles en battement et en pas
US20190063452A1 (en) * 2017-08-29 2019-02-28 United Technologies Corporation Conical fan hub and method for reducing blade off loads
US10822969B2 (en) 2018-10-18 2020-11-03 Raytheon Technologies Corporation Hybrid airfoil for gas turbine engines
US11306601B2 (en) 2018-10-18 2022-04-19 Raytheon Technologies Corporation Pinned airfoil for gas turbine engines
US10774653B2 (en) 2018-12-11 2020-09-15 Raytheon Technologies Corporation Composite gas turbine engine component with lattice structure
US11073030B1 (en) 2020-05-21 2021-07-27 Raytheon Technologies Corporation Airfoil attachment for gas turbine engines
US11982205B1 (en) * 2022-12-28 2024-05-14 General Electric Company Airfoil having a spar assembly for a turbine engine

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US961328A (en) * 1910-03-17 1910-06-14 Henry H Wait Turbine-blade.
GB113324A (en) * 1917-02-21 1918-02-21 Thomas Eaton Improvements in Screw Propellers.
GB267179A (en) * 1925-11-26 1927-02-28 Henry Leitner Improvements in variable pitch airscrews
US1802648A (en) * 1925-12-31 1931-04-28 American Propeller Company Propeller
US1863387A (en) * 1929-09-21 1932-06-14 Packard Motor Car Co Propeller attachment
US2317338A (en) * 1942-02-07 1943-04-20 Westinghouse Electric & Mfg Co Turbine blade fastening apparatus
BE462182A (de) * 1944-12-22 1900-01-01
US2536041A (en) * 1946-04-16 1951-01-02 Dorand Rene Pivoted blade airscrew with automatic pitch adjustment
GB621315A (en) * 1947-02-17 1949-04-07 Frederick William Walton Morle Improvements relating to compressors and turbines
US2665054A (en) * 1948-01-07 1954-01-05 Joy Mfg Co Replaceable blade fan
US2656146A (en) * 1948-04-08 1953-10-20 Curtiss Wright Corp Turbine blade construction
IT454293A (de) * 1948-04-22
US2651494A (en) * 1949-11-24 1953-09-08 Svenska Flygmotor Aktiebolaget Turbine disk
NL87657C (de) * 1953-04-10
US2873088A (en) * 1953-05-21 1959-02-10 Gen Electric Lightweight rotor construction
US3047726A (en) * 1957-05-28 1962-07-31 Studebaker Packard Corp Swinging propeller blade
US3039739A (en) * 1958-11-28 1962-06-19 Gen Motors Corp Pinned blade connecting means
US2990018A (en) * 1959-11-13 1961-06-27 Moore Co Fan
CH408056A (de) * 1962-11-23 1966-02-28 Goerlitzer Maschinenbau Veb Befestigung der Laufschaufeln von Kreiselmaschinen, insbesondere für trommelartige Verdichterläufer von Gasturbinen
US3310120A (en) * 1966-02-24 1967-03-21 United Aircraft Corp Rotor head fairing for articulated aircraft rotor
US3487879A (en) * 1967-08-02 1970-01-06 Dowty Rotol Ltd Blades,suitable for propellers,compressors,fans and the like
US3572970A (en) * 1969-01-23 1971-03-30 Gen Electric Turbomachinery blade spacer
US3554668A (en) * 1969-05-12 1971-01-12 Gen Motors Corp Turbomachine rotor
GB1430596A (en) * 1972-07-06 1976-03-31 Rolls Royce Multi-bladed fans
US4047840A (en) * 1975-05-29 1977-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Impact absorbing blade mounts for variable pitch blades
US4045149A (en) * 1976-02-03 1977-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Platform for a swing root turbomachinery blade
US4019832A (en) * 1976-02-27 1977-04-26 General Electric Company Platform for a turbomachinery blade
US4037990A (en) * 1976-06-01 1977-07-26 General Electric Company Composite turbomachinery rotor
US4212588A (en) * 1978-05-11 1980-07-15 United Technologies Corporation Simplified rotor head fairing
SU1114820A1 (ru) * 1982-04-19 1984-09-23 Предприятие П/Я Г-4903 Рабочее колесо турбомашины
US4626169A (en) * 1983-12-13 1986-12-02 United Technologies Corporation Seal means for a blade attachment slot of a rotor assembly
DE3501060A1 (de) * 1985-01-15 1986-07-17 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Rotorblattanschluss
GB2192237B (en) * 1986-07-02 1990-05-16 Rolls Royce Plc Gas turbine engine power turbine
US4738591A (en) * 1986-09-09 1988-04-19 General Electric Company Blade pitch varying mechanism
DE3718678A1 (de) * 1987-06-04 1988-12-22 Mtu Muenchen Gmbh Fasertechnische verdichterschaufel

Also Published As

Publication number Publication date
EP0362886A2 (de) 1990-04-11
DE68912492T2 (de) 1994-08-18
JPH02144297A (ja) 1990-06-04
US5102300A (en) 1992-04-07
EP0362886A3 (en) 1990-08-29
EP0362886B1 (de) 1994-01-19
CA1335444C (en) 1995-05-02

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Michaels Time

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee