GB1318654A - Bladed rotors - Google Patents

Bladed rotors

Info

Publication number
GB1318654A
GB1318654A GB5790470A GB1318654DA GB1318654A GB 1318654 A GB1318654 A GB 1318654A GB 5790470 A GB5790470 A GB 5790470A GB 1318654D A GB1318654D A GB 1318654DA GB 1318654 A GB1318654 A GB 1318654A
Authority
GB
United Kingdom
Prior art keywords
blades
ring
fingers
platforms
disc
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
GB5790470A
Other languages
English (en)
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB1318654A publication Critical patent/GB1318654A/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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB5790470A 1970-12-05 1970-12-05 Bladed rotors Expired GB1318654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5790470 1970-12-05

Publications (1)

Publication Number Publication Date
GB1318654A true GB1318654A (en) 1973-05-31

Family

ID=10480326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5790470A Expired GB1318654A (en) 1970-12-05 1970-12-05 Bladed rotors

Country Status (5)

Country Link
US (1) US3761200A (nl)
DE (1) DE2166499A1 (nl)
FR (1) FR2116522B1 (nl)
GB (1) GB1318654A (nl)
IT (1) IT945233B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294732A (en) * 1994-11-05 1996-05-08 Rolls Royce Plc Integral disc seal for turbomachine

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841792A (en) * 1973-03-09 1974-10-15 Westinghouse Electric Corp Turbomachine blade lock and seal device
US3923420A (en) * 1973-04-30 1975-12-02 Gen Electric Blade platform with friction damping interlock
US3867069A (en) * 1973-05-04 1975-02-18 Westinghouse Electric Corp Alternate root turbine blading
US4084919A (en) * 1976-06-29 1978-04-18 United Technologies Corporation Means of attaching a seal to a disk
GB1549152A (en) * 1977-01-11 1979-08-01 Rolls Royce Rotor stage for a gas trubine engine
CH626947A5 (nl) * 1978-03-02 1981-12-15 Bbc Brown Boveri & Cie
US4685863A (en) * 1979-06-27 1987-08-11 United Technologies Corporation Turbine rotor assembly
FR2586061B1 (fr) * 1985-08-08 1989-06-09 Snecma Disque porte labyrinthe multifonction pour rotor de turbomachine
US4767247A (en) * 1987-02-24 1988-08-30 Westinghouse Electric Corp. Apparatus and method for preventing relative blade motion in steam turbine
FR2639402B1 (fr) * 1988-11-23 1990-12-28 Snecma Disque ailete de rotor de turbomachine
GB2251897B (en) * 1991-01-15 1994-11-30 Rolls Royce Plc A rotor
US5156528A (en) * 1991-04-19 1992-10-20 General Electric Company Vibration damping of gas turbine engine buckets
US5277548A (en) * 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
JPH10252412A (ja) * 1997-03-12 1998-09-22 Mitsubishi Heavy Ind Ltd ガスタービンシール装置
US7284958B2 (en) * 2003-03-22 2007-10-23 Allison Advanced Development Company Separable blade platform
ITBO20050323A1 (it) * 2005-05-06 2006-11-07 I L S A Spa Macchina per il lavaggio a secco dei tessuti tramite sistema di nebulizzazione del solvente
US20060275107A1 (en) * 2005-06-07 2006-12-07 Ioannis Alvanos Combined blade attachment and disk lug fluid seal
US20060275108A1 (en) * 2005-06-07 2006-12-07 Memmen Robert L Hammerhead fluid seal
US20060275106A1 (en) * 2005-06-07 2006-12-07 Ioannis Alvanos Blade neck fluid seal
US7465152B2 (en) * 2005-09-16 2008-12-16 General Electric Company Angel wing seals for turbine blades and methods for selecting stator, rotor and wing seal profiles
US7334983B2 (en) * 2005-10-27 2008-02-26 United Technologies Corporation Integrated bladed fluid seal
FR2895021B1 (fr) * 2005-12-16 2010-09-03 Snecma Systeme d'etancheite inter-etages dans une turbomachine
US20080044284A1 (en) * 2006-08-16 2008-02-21 United Technologies Corporation Segmented fluid seal assembly
US20080061515A1 (en) * 2006-09-08 2008-03-13 Eric Durocher Rim seal for a gas turbine engine
US7927069B2 (en) * 2006-11-13 2011-04-19 United Technologies Corporation Hoop seal with partial slot geometry
US7976281B2 (en) * 2007-05-15 2011-07-12 General Electric Company Turbine rotor blade and method of assembling the same
US7967559B2 (en) * 2007-05-30 2011-06-28 General Electric Company Stator-rotor assembly having surface feature for enhanced containment of gas flow and related processes
US20090110548A1 (en) * 2007-10-30 2009-04-30 Pratt & Whitney Canada Corp. Abradable rim seal for low pressure turbine stage
US8435007B2 (en) * 2008-12-29 2013-05-07 Rolls-Royce Corporation Hybrid turbomachinery component for a gas turbine engine
US8251651B2 (en) * 2009-01-28 2012-08-28 United Technologies Corporation Segmented ceramic matrix composite turbine airfoil component
US8215915B2 (en) * 2009-05-15 2012-07-10 Siemens Energy, Inc. Blade closing key system for a turbine engine
US20120251291A1 (en) * 2011-03-31 2012-10-04 General Electric Company Stator-rotor assemblies with features for enhanced containment of gas flow, and related processes
US8888459B2 (en) * 2011-08-23 2014-11-18 General Electric Company Coupled blade platforms and methods of sealing
US8985956B2 (en) * 2011-09-19 2015-03-24 General Electric Company Compressive stress system for a gas turbine engine
US10570767B2 (en) 2016-02-05 2020-02-25 General Electric Company Gas turbine engine with a cooling fluid path
US10371162B2 (en) * 2016-10-05 2019-08-06 Pratt & Whitney Canada Corp. Integrally bladed fan rotor
US10428661B2 (en) * 2016-10-26 2019-10-01 Roll-Royce North American Technologies Inc. Turbine wheel assembly with ceramic matrix composite components
US10633992B2 (en) 2017-03-08 2020-04-28 Pratt & Whitney Canada Corp. Rim seal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE540433A (nl) * 1954-08-12
US2931624A (en) * 1957-05-08 1960-04-05 Orenda Engines Ltd Gas turbine blade
US3266770A (en) * 1961-12-22 1966-08-16 Gen Electric Turbomachine rotor assembly
US3572970A (en) * 1969-01-23 1971-03-30 Gen Electric Turbomachinery blade spacer
US3644058A (en) * 1970-05-18 1972-02-22 Westinghouse Electric Corp Axial positioner and seal for turbine blades

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294732A (en) * 1994-11-05 1996-05-08 Rolls Royce Plc Integral disc seal for turbomachine
US5601404A (en) * 1994-11-05 1997-02-11 Rolls-Royce Plc Integral disc seal

Also Published As

Publication number Publication date
FR2116522A1 (nl) 1972-07-13
US3761200A (en) 1973-09-25
FR2116522B1 (nl) 1975-08-29
IT945233B (it) 1973-05-10
DE2159857A1 (de) 1972-06-29
DE2166499A1 (de) 1974-07-04
DE2159857B2 (de) 1977-07-14

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee