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GB1387787A - Bladed turbine rotor element and method of manufacture - Google Patents

Bladed turbine rotor element and method of manufacture

Info

Publication number
GB1387787A
GB1387787A GB3867973A GB3867973A GB1387787A GB 1387787 A GB1387787 A GB 1387787A GB 3867973 A GB3867973 A GB 3867973A GB 3867973 A GB3867973 A GB 3867973A GB 1387787 A GB1387787 A GB 1387787A
Authority
GB
United Kingdom
Prior art keywords
blade
porous
rim
disc
core
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
GB3867973A
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
General Motors 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 General Motors Corp filed Critical General Motors Corp
Publication of GB1387787A publication Critical patent/GB1387787A/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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/182—Transpiration cooling
    • F01D5/183—Blade walls being porous
    • 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
    • F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/514—Porosity

Landscapes

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

Abstract

1387787 Casting rotor elements; cores GENERAL MOTORS CORP 16 Aug 1973 [11 Sept 1972] 38679/73 Heading B3F [Also in Division F1] A bladed turbine rotor element comprises a solid disc (3) having a rim portions (4) and an annular row of porous blades (6) integral with the disc, each blade having a porous aerofoil portion (12) projecting from the rim and a porous base portion (14) extending into the rim, the rim defining circumferentially-spaced air entrance ports (15) each communicating with the exterior of the disc and with the base portion of a blade. The bladed rotor element is unitarily cast in a mould cavity 25 having the form of the bladed rotor element, including pockets 27 which are of the form of the portion of the blade which projects from the disc rim. A blade core 28, Fig. 4, is disposed in each pocket, the blade core comprising a porous portion 30 having the form of the blade and a solid portion 31 having the form of the cooling air port (15). When metal is poured into the mould it penetrates the porous portion of the core, the core being subsequently dissolved out, so that the blade portion is full of small capillary passages which intercommunicate.
GB3867973A 1972-09-11 1973-08-16 Bladed turbine rotor element and method of manufacture Expired GB1387787A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28788872A 1972-09-11 1972-09-11

Publications (1)

Publication Number Publication Date
GB1387787A true GB1387787A (en) 1975-03-19

Family

ID=23104807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3867973A Expired GB1387787A (en) 1972-09-11 1973-08-16 Bladed turbine rotor element and method of manufacture

Country Status (3)

Country Link
US (1) US3778188A (en)
JP (1) JPS5217183B2 (en)
GB (1) GB1387787A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224082A (en) * 1988-10-19 1990-04-25 Rolls Royce Plc Turbine disc having cooling and sealing arrangements
RU2502875C2 (en) * 2011-10-25 2013-12-27 Закрытое акционерное общество "Группа региональных производств" Cooled blade

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247259A (en) * 1979-04-18 1981-01-27 Avco Corporation Composite ceramic/metallic turbine blade and method of making same
US4850802A (en) * 1983-04-21 1989-07-25 Allied-Signal Inc. Composite compressor wheel for turbochargers
US4787821A (en) * 1987-04-10 1988-11-29 Allied Signal Inc. Dual alloy rotor
US5106266A (en) * 1989-07-25 1992-04-21 Allied-Signal Inc. Dual alloy turbine blade
GB2356684A (en) * 1999-11-24 2001-05-30 Lorenzo Battisti Boundary layer control using electroformed microporous material
EP1186748A1 (en) * 2000-09-05 2002-03-13 Siemens Aktiengesellschaft Rotor blade for a turbomachine and turbomachine
DE10341415A1 (en) * 2003-09-05 2005-04-07 Daimlerchrysler Ag High-speed impeller
US7144220B2 (en) * 2004-07-30 2006-12-05 United Technologies Corporation Investment casting
SE527867C2 (en) * 2004-11-12 2006-06-27 Bjoern Gudmunsson Cooling installation
CN100398232C (en) * 2005-11-01 2008-07-02 中国科学院金属研究所 A preparation process of an integral turbine with a double crystal structure
US7780420B1 (en) 2006-11-16 2010-08-24 Florida Turbine Technologies, Inc. Turbine blade with a foam metal leading or trailing edge
DE102009007468A1 (en) * 2009-02-04 2010-08-19 Mtu Aero Engines Gmbh Integrally bladed rotor disk for a turbine
US20120183389A1 (en) * 2011-01-13 2012-07-19 Mhetras Shantanu P Seal system for cooling fluid flow through a rotor assembly in a gas turbine engine
US10309232B2 (en) * 2012-02-29 2019-06-04 United Technologies Corporation Gas turbine engine with stage dependent material selection for blades and disk
US20160146024A1 (en) * 2014-11-24 2016-05-26 Honeywell International Inc. Hybrid bonded turbine rotors and methods for manufacturing the same
DE102015111746A1 (en) * 2015-07-20 2017-01-26 Rolls-Royce Deutschland Ltd & Co Kg Cooled turbine wheel, in particular for an aircraft engine
US9951632B2 (en) 2015-07-23 2018-04-24 Honeywell International Inc. Hybrid bonded turbine rotors and methods for manufacturing the same
GB201707836D0 (en) * 2017-05-16 2017-06-28 Oscar Propulsion Ltd Outlet guide vanes
US10794190B1 (en) * 2018-07-30 2020-10-06 Florida Turbine Technologies, Inc. Cast integrally bladed rotor with bore entry cooling
CN116571693B (en) * 2023-07-12 2023-09-08 河北钢研德凯科技有限公司 Hollow blade preparation device and hollow blade preparation method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB722514A (en) * 1952-08-27 1955-01-26 Rolls Royce Improvements relating to axial-flow turbine and compressor rotors
GB760734A (en) * 1954-03-12 1956-11-07 English Electric Co Ltd Improvements in and relating to steam turbines
US3011761A (en) * 1954-11-25 1961-12-05 Power Jets Res & Dev Ltd Turbine blades
US2970807A (en) * 1957-05-28 1961-02-07 Messerschmitt Ag Rotor blades for gas turbines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2224082A (en) * 1988-10-19 1990-04-25 Rolls Royce Plc Turbine disc having cooling and sealing arrangements
RU2502875C2 (en) * 2011-10-25 2013-12-27 Закрытое акционерное общество "Группа региональных производств" Cooled blade

Also Published As

Publication number Publication date
US3778188A (en) 1973-12-11
JPS4964706A (en) 1974-06-22
JPS5217183B2 (en) 1977-05-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee