CA1254840A - Blade platform - Google Patents

Blade platform

Info

Publication number
CA1254840A
CA1254840A CA000498349A CA498349A CA1254840A CA 1254840 A CA1254840 A CA 1254840A CA 000498349 A CA000498349 A CA 000498349A CA 498349 A CA498349 A CA 498349A CA 1254840 A CA1254840 A CA 1254840A
Authority
CA
Canada
Prior art keywords
platform
blade
tangs
circumferentially
axial
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
CA000498349A
Other languages
English (en)
French (fr)
Inventor
Ralph A. Kirkpatrick
Kenneth Willgoose
Omer D. Erdmann
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1254840A publication Critical patent/CA1254840A/en
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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CA000498349A 1985-01-25 1985-12-20 Blade platform Expired CA1254840A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/694,889 US4688992A (en) 1985-01-25 1985-01-25 Blade platform
US694,889 1985-01-25

Publications (1)

Publication Number Publication Date
CA1254840A true CA1254840A (en) 1989-05-30

Family

ID=24790672

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000498349A Expired CA1254840A (en) 1985-01-25 1985-12-20 Blade platform

Country Status (8)

Country Link
US (1) US4688992A (enExample)
JP (1) JPS61205304A (enExample)
CA (1) CA1254840A (enExample)
DE (1) DE3601911C2 (enExample)
FR (1) FR2576635B1 (enExample)
GB (1) GB2170275B (enExample)
IT (1) IT1188313B (enExample)
SE (1) SE458543B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878811A (en) * 1988-11-14 1989-11-07 United Technologies Corporation Axial compressor blade assembly
US5261785A (en) * 1992-08-04 1993-11-16 General Electric Company Rotor blade cover adapted to facilitate moisture removal
US5443365A (en) * 1993-12-02 1995-08-22 General Electric Company Fan blade for blade-out protection
US5688108A (en) * 1995-08-01 1997-11-18 Allison Engine Company, Inc. High temperature rotor blade attachment
DE10120532A1 (de) * 2001-04-26 2002-10-31 Alstom Switzerland Ltd Vorrichtung und Verfahren zur Befestigung einer Laufschaufel längs einer innerhalb eines Rotors einer axial durchströmten Turbomaschine verlaufenden Umfangsnut
US6991428B2 (en) 2003-06-12 2006-01-31 Pratt & Whitney Canada Corp. Fan blade platform feature for improved blade-off performance
US7811053B2 (en) * 2005-07-22 2010-10-12 United Technologies Corporation Fan rotor design for coincidence avoidance
US20120244002A1 (en) * 2011-03-25 2012-09-27 Hari Krishna Meka Turbine bucket assembly and methods for assembling same
US9279335B2 (en) 2011-08-03 2016-03-08 United Technologies Corporation Vane assembly for a gas turbine engine
US9273565B2 (en) 2012-02-22 2016-03-01 United Technologies Corporation Vane assembly for a gas turbine engine
EP2669477B1 (en) 2012-05-31 2017-04-05 General Electric Technology GmbH Shroud for airfoils
US10018075B2 (en) 2015-04-22 2018-07-10 General Electric Company Methods for positioning neighboring nozzles of a gas turbine engine
CN112096653B (zh) * 2020-11-18 2021-01-19 中国航发上海商用航空发动机制造有限责任公司 叶片缘板、叶片环、叶轮盘以及燃气涡轮发动机

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US785066A (en) * 1903-12-16 1905-03-14 Edwin H Ludeman Nozzle for turbine-engines.
US1073623A (en) * 1913-07-23 1913-09-23 Ridgway Dynamo And Engine Company Steam-turbine blade.
US1494781A (en) * 1921-05-31 1924-05-20 Westinghouse Electric & Mfg Co Blade fastening
FR656220A (fr) * 1927-07-04 1929-04-30 Brown Fixation des aubages de turbines à gaz et à vapeur par soudure autogène
US1778066A (en) * 1929-04-25 1930-10-14 Gen Electric Elastic fluid turbine
DE658445C (de) * 1935-11-26 1938-04-05 E H Hans Holzwarth Dr Ing Schaufelbefestigung fuer Kreiselmaschinen
US2654565A (en) * 1946-01-15 1953-10-06 Power Jets Res & Dev Ltd Construction of rotors for compressors and like machines
US2475571A (en) * 1946-09-25 1949-07-05 Edward P Schreyer Steam electric iron
US2575237A (en) * 1947-04-10 1951-11-13 Wright Aeronautical Corp Multistage bladed rotor
GB652099A (en) * 1947-10-16 1951-04-18 Rolls Royce Improvements relating to axial flow turbines
GB653267A (en) * 1947-12-12 1951-05-09 Mini Of Supply Improvements in and relating to combustion turbines
US2673709A (en) * 1949-12-28 1954-03-30 Utica Drop Forge & Tool Corp Compounded airfoil blade structure and method of making same
BE507205A (enExample) * 1950-12-08
GB723813A (en) * 1952-05-30 1955-02-09 Power Jets Res & Dev Ltd Improvements in or relating to bladed rotors for compressors, turbines and like fluid flow machines
US2925216A (en) * 1952-09-10 1960-02-16 Stalker Corp Axial flow compressor rotor construction
US2834573A (en) * 1953-06-23 1958-05-13 Stalker Dev Company Rotor construction for fluid machines
BE533039A (enExample) * 1953-11-06
BE534314A (enExample) * 1953-12-24
GB799896A (en) * 1955-10-21 1958-08-13 Rolls Royce Improvements in or relating to axial-flow compressors
US2921777A (en) * 1956-06-01 1960-01-19 Sun Oil Co Vapor-liquid contact assemblies
US2955799A (en) * 1957-02-11 1960-10-11 United Aircraft Corp Blade damping means
US3203666A (en) * 1965-01-12 1965-08-31 Gen Electric Bladed rotor construction
DE1085643B (de) * 1959-04-13 1960-07-21 Ehrhardt & Sehmer Ag Maschf Laufschaufelbefestigung bei Axialstroemungsmaschinen
CH408056A (de) * 1962-11-23 1966-02-28 Goerlitzer Maschinenbau Veb Befestigung der Laufschaufeln von Kreiselmaschinen, insbesondere für trommelartige Verdichterläufer von Gasturbinen
US3107897A (en) * 1961-08-24 1963-10-22 Gen Electric Gas turbine nozzle and vane assembly
GB980337A (en) * 1962-05-08 1965-01-13 Power Jets Res & Dev Ltd Improvements in or relating to a rotor for a compressor turbine or like bladed fluidflow machine
US3216700A (en) * 1963-10-24 1965-11-09 Gen Electric Rotor blade locking means
GB1053420A (enExample) * 1964-08-11
US3326523A (en) * 1965-12-06 1967-06-20 Gen Electric Stator vane assembly having composite sectors
US3303998A (en) * 1966-07-18 1967-02-14 Gen Electric Stator casing
US3442442A (en) * 1966-12-02 1969-05-06 Gen Electric Mounting of blades in an axial flow compressor
US3471127A (en) * 1966-12-08 1969-10-07 Gen Motors Corp Turbomachine rotor
DE2046486C3 (de) * 1970-09-21 1974-03-07 Fa. Willi Seeber, Kardaun, Bozen (Italien) Schaufelrad für Lüfter
US3778185A (en) * 1972-08-28 1973-12-11 United Aircraft Corp Composite strut joint construction
US3923420A (en) * 1973-04-30 1975-12-02 Gen Electric Blade platform with friction damping interlock
GB1483532A (en) * 1974-09-13 1977-08-24 Rolls Royce Stator structure for a gas turbine engine
FR2393931A1 (fr) * 1977-06-08 1979-01-05 Snecma Dispositif de maintien des aubes d'un rotor
DE2849747A1 (de) * 1978-11-16 1980-05-29 Volkswagenwerk Ag Aus keramischen werkstoffen bestehender axial-leitschaufelkranz fuer gasturbinen
US4265595A (en) * 1979-01-02 1981-05-05 General Electric Company Turbomachinery blade retaining assembly
JPS5672222A (en) * 1979-11-14 1981-06-16 Hitachi Ltd Moving blade of gas turbine
FR2491549B1 (fr) * 1980-10-08 1985-07-05 Snecma Dispositif de refroidissement d'une turbine a gaz, par prelevement d'air au niveau du compresseur
JPS585403A (ja) * 1981-07-01 1983-01-12 Hitachi Ltd ガスタ−ビン動翼
FR2517739A1 (fr) * 1981-12-09 1983-06-10 Snecma Dispositif de montage et de fixation d'aubes a pied marteau de compresseur et de turbine et procede de montage
GB2112465B (en) * 1981-12-30 1985-04-11 Rolls Royce Turbomachine rotor
JPS5922140A (ja) * 1982-07-28 1984-02-04 Hitachi Ltd 対話型コンパイル方式
JPS5960004A (ja) * 1982-09-30 1984-04-05 Toshiba Corp タ−ビン羽根の固定装置
JPS59142401U (ja) * 1983-03-16 1984-09-22 三菱重工業株式会社 回転流体機械の動翼の取付構造

Also Published As

Publication number Publication date
FR2576635A1 (fr) 1986-08-01
SE8600315D0 (sv) 1986-01-24
GB2170275A (en) 1986-07-30
US4688992A (en) 1987-08-25
FR2576635B1 (fr) 1989-12-22
JPH0411723B2 (enExample) 1992-03-02
DE3601911C2 (de) 1995-03-30
IT8619181A0 (it) 1986-01-24
GB2170275B (en) 1988-11-09
DE3601911A1 (de) 1986-07-31
SE8600315L (sv) 1986-07-26
GB8601001D0 (en) 1986-02-19
IT1188313B (it) 1988-01-07
JPS61205304A (ja) 1986-09-11
SE458543B (sv) 1989-04-10

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Legal Events

Date Code Title Description
MKEX Expiry