GB1100860A - Gas turbine engine bladed rotors - Google Patents

Gas turbine engine bladed rotors

Info

Publication number
GB1100860A
GB1100860A GB55514/66A GB5551466A GB1100860A GB 1100860 A GB1100860 A GB 1100860A GB 55514/66 A GB55514/66 A GB 55514/66A GB 5551466 A GB5551466 A GB 5551466A GB 1100860 A GB1100860 A GB 1100860A
Authority
GB
United Kingdom
Prior art keywords
segments
disc
gas turbine
blades
plate
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
GB55514/66A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation 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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB1100860A publication Critical patent/GB1100860A/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
    • F01D5/3007—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

1,100,860. Gas turbine rotors. GENERAL MOTORS CORPORATION. Dec. 12, 1966 [April 22, 1966], No. 55514/66. Heading F1T. A gas turbine rotor disc 14 having blades 16 mounted in axially extending fir-tree slots has annular upstream and downstream annular segmental sealing and blade locking plates 26, 46 covering the blade roots 18. The upstream plate 26 comprises, Fig. 3, six larger segments 28 alternating with six shorter triangular segments 30, the abutting ends of the adjacent segments 28, 30 being oblique with respect to the radius of the disc 14 to permit differential thermal expansion between the plate, disc and blades. The radially outer periphery of the segments 28, 30 engages in aligned grooves 44 in the blade platforms 22, whereas the inner periphery has castellations 34 engaging behind corresponding castellations 42 in a flange 38 on the disc rim 24. Lock tabs 36 locate the segments circumferentially. The downstream plate 46 is of similar construction except that the inner periphery of the segments is not castellated but engages in a groove 50 between the disc rim 24 and a spacer 20 which is fitted after the blades and plates have been assembled on the disc. A stud 58 locates the downstream plate segments circumferentially.
GB55514/66A 1966-04-22 1966-12-12 Gas turbine engine bladed rotors Expired GB1100860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US544468A US3300179A (en) 1966-04-22 1966-04-22 Blade stalk cover plate

Publications (1)

Publication Number Publication Date
GB1100860A true GB1100860A (en) 1968-01-24

Family

ID=24172319

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55514/66A Expired GB1100860A (en) 1966-04-22 1966-12-12 Gas turbine engine bladed rotors

Country Status (2)

Country Link
US (1) US3300179A (en)
GB (1) GB1100860A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908242A1 (en) * 1978-03-08 1979-09-13 Snecma RING-SHAPED FLANGE FOR A RUNNER OF A FLOW MACHINE
US10975714B2 (en) * 2018-11-22 2021-04-13 Pratt & Whitney Canada Corp. Rotor assembly with blade sealing tab

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744930A (en) * 1972-03-02 1973-07-10 Carrier Corp Blade disc structure for turbomachines
US4659289A (en) * 1984-07-23 1987-04-21 United Technologies Corporation Turbine side plate assembly
EP0236337B1 (en) * 1985-09-12 1989-03-01 Solar Turbines Incorporated Seal ring means for a bladed rotor assembly
FR2603333B1 (en) * 1986-09-03 1990-07-20 Snecma TURBOMACHINE ROTOR COMPRISING A MEANS OF AXIAL LOCKING AND SEALING OF BLADES MOUNTED IN AXIAL PINS OF THE DISC AND MOUNTING METHOD
US4781534A (en) * 1987-02-27 1988-11-01 Westinghouse Electric Corp. Apparatus and method for reducing windage and leakage in steam turbine incorporating axial entry blade
GB9517369D0 (en) * 1995-08-24 1995-10-25 Rolls Royce Plc Bladed rotor
US5993160A (en) * 1997-12-11 1999-11-30 Pratt & Whitney Canada Inc. Cover plate for gas turbine rotor
EP1284339A1 (en) * 2001-08-14 2003-02-19 Siemens Aktiengesellschaft Annular cover plate system for gas turbine rotors
US8708652B2 (en) * 2007-06-27 2014-04-29 United Technologies Corporation Cover plate for turbine rotor having enclosed pump for cooling air
US8206119B2 (en) * 2009-02-05 2012-06-26 General Electric Company Turbine coverplate systems
US8459954B2 (en) * 2010-01-19 2013-06-11 United Technologies Corporation Torsional flexing energy absorbing blade lock
FR2961847B1 (en) * 2010-06-25 2012-08-17 Snecma AUBES MOBILE WHEEL IN COMPOSITE MATERIAL FOR A TURBINE GAS TURBINE ENGINE WITH A WAVEBASE / TIGHTENING DISC
US10184345B2 (en) 2013-08-09 2019-01-22 United Technologies Corporation Cover plate assembly for a gas turbine engine
CN109707464A (en) * 2018-12-14 2019-05-03 北京全四维动力科技有限公司 For protecting the combination unit of steam turbine blade blade root and race

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908242A1 (en) * 1978-03-08 1979-09-13 Snecma RING-SHAPED FLANGE FOR A RUNNER OF A FLOW MACHINE
US10975714B2 (en) * 2018-11-22 2021-04-13 Pratt & Whitney Canada Corp. Rotor assembly with blade sealing tab
US12070811B2 (en) 2018-11-22 2024-08-27 Pratt & Whitney Canada Corp. Method of manufacturing a rotor disc for a turbine engine

Also Published As

Publication number Publication date
US3300179A (en) 1967-01-24

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