DE60033768T2 - Kern zur Einstellung der Wanddicke einer Turbinenschaufel und Verfahren - Google Patents

Kern zur Einstellung der Wanddicke einer Turbinenschaufel und Verfahren Download PDF

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Publication number
DE60033768T2
DE60033768T2 DE60033768T DE60033768T DE60033768T2 DE 60033768 T2 DE60033768 T2 DE 60033768T2 DE 60033768 T DE60033768 T DE 60033768T DE 60033768 T DE60033768 T DE 60033768T DE 60033768 T2 DE60033768 T2 DE 60033768T2
Authority
DE
Germany
Prior art keywords
core
mold
trailing edge
leading edge
core portion
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 - Lifetime
Application number
DE60033768T
Other languages
German (de)
English (en)
Other versions
DE60033768D1 (de
Inventor
Dimitrios Glenmont Stathopoulos
Liming Greenville Xu
Doyle C. Greer Lewis
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
Publication of DE60033768D1 publication Critical patent/DE60033768D1/de
Application granted granted Critical
Publication of DE60033768T2 publication Critical patent/DE60033768T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B22C9/103—Multipart cores
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making
    • Y10T29/49339—Hollow blade
    • Y10T29/49341—Hollow blade with cooling passage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
DE60033768T 1999-12-08 2000-08-02 Kern zur Einstellung der Wanddicke einer Turbinenschaufel und Verfahren Expired - Lifetime DE60033768T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45590899A 1999-12-08 1999-12-08
US455908 1999-12-08

Publications (2)

Publication Number Publication Date
DE60033768D1 DE60033768D1 (de) 2007-04-19
DE60033768T2 true DE60033768T2 (de) 2007-11-08

Family

ID=23810721

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60033768T Expired - Lifetime DE60033768T2 (de) 1999-12-08 2000-08-02 Kern zur Einstellung der Wanddicke einer Turbinenschaufel und Verfahren

Country Status (6)

Country Link
US (1) US6464462B2 (enExample)
EP (1) EP1106280B1 (enExample)
JP (1) JP2001173404A (enExample)
KR (1) KR20010067057A (enExample)
AT (1) ATE355918T1 (enExample)
DE (1) DE60033768T2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6860714B1 (en) * 2002-12-30 2005-03-01 General Electric Company Gas turbine having alloy castings with craze-free cooling passages
US20050000674A1 (en) * 2003-07-01 2005-01-06 Beddard Thomas Bradley Perimeter-cooled stage 1 bucket core stabilizing device and related method
US6966756B2 (en) * 2004-01-09 2005-11-22 General Electric Company Turbine bucket cooling passages and internal core for producing the passages
FR2875425B1 (fr) 2004-09-21 2007-03-30 Snecma Moteurs Sa Procede de fabrication d'une aube de turbomachine, assemblage de noyaux pour la mise en oeuvre du procede.
US7690894B1 (en) 2006-09-25 2010-04-06 Florida Turbine Technologies, Inc. Ceramic core assembly for serpentine flow circuit in a turbine blade
US7762774B2 (en) * 2006-12-15 2010-07-27 Siemens Energy, Inc. Cooling arrangement for a tapered turbine blade
US7941300B1 (en) * 2008-02-29 2011-05-10 Florida Turbine Technologies, Inc. Process for the design of an airfoil
US8439628B2 (en) * 2010-01-06 2013-05-14 General Electric Company Heat transfer enhancement in internal cavities of turbine engine airfoils
KR101006017B1 (ko) * 2010-02-10 2011-01-06 주식회사 건양기술공사 건축사사무소 배수소음을 저감시킬 수 있는 아파트의 베란다 배수구
US20120269649A1 (en) * 2011-04-22 2012-10-25 Christopher Rawlings Turbine blade with improved trailing edge cooling
US9638041B2 (en) 2013-10-23 2017-05-02 General Electric Company Turbine bucket having non-axisymmetric base contour
US9551226B2 (en) 2013-10-23 2017-01-24 General Electric Company Turbine bucket with endwall contour and airfoil profile
US9670784B2 (en) 2013-10-23 2017-06-06 General Electric Company Turbine bucket base having serpentine cooling passage with leading edge cooling
US9528379B2 (en) 2013-10-23 2016-12-27 General Electric Company Turbine bucket having serpentine core
US9797258B2 (en) * 2013-10-23 2017-10-24 General Electric Company Turbine bucket including cooling passage with turn
US9957815B2 (en) 2015-03-05 2018-05-01 United Technologies Corporation Gas powered turbine component including serpentine cooling
US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844728A (en) 1968-03-20 1974-10-29 United Aircraft Corp Gas contacting element leading edge and trailing edge insert
US3596703A (en) 1968-10-01 1971-08-03 Trw Inc Method of preventing core shift in casting articles
US3662816A (en) 1968-10-01 1972-05-16 Trw Inc Means for preventing core shift in casting articles
US4093017A (en) 1975-12-29 1978-06-06 Sherwood Refractories, Inc. Cores for investment casting process
US4272953A (en) * 1978-10-26 1981-06-16 Rice Ivan G Reheat gas turbine combined with steam turbine
US4364160A (en) 1980-11-03 1982-12-21 General Electric Company Method of fabricating a hollow article
GB2096523B (en) 1981-03-25 1986-04-09 Rolls Royce Method of making a blade aerofoil for a gas turbine
US4596281A (en) 1982-09-02 1986-06-24 Trw Inc. Mold core and method of forming internal passages in an airfoil
US4514144A (en) * 1983-06-20 1985-04-30 General Electric Company Angled turbulence promoter
CH672450A5 (enExample) 1987-05-13 1989-11-30 Bbc Brown Boveri & Cie
JPH01244103A (ja) * 1988-03-25 1989-09-28 Hitachi Ltd タービン静翼用コアプラグ
US5050665A (en) 1989-12-26 1991-09-24 United Technologies Corporation Investment cast airfoil core/shell lock and method of casting
FR2672003B1 (fr) 1991-01-30 1993-04-09 Snecma Procede de realisation de noyaux complexes en ceramique pour fonderie.
US5394932A (en) 1992-01-17 1995-03-07 Howmet Corporation Multiple part cores for investment casting
US5296308A (en) * 1992-08-10 1994-03-22 Howmet Corporation Investment casting using core with integral wall thickness control means
US5337805A (en) 1992-11-24 1994-08-16 United Technologies Corporation Airfoil core trailing edge region
US5351395A (en) 1992-12-30 1994-10-04 General Electric Company Process for producing turbine bucket with water droplet erosion protection
US5465780A (en) 1993-11-23 1995-11-14 Alliedsignal Inc. Laser machining of ceramic cores
US5445498A (en) 1994-06-10 1995-08-29 General Electric Company Bucket for next-to-the-last stage of a turbine
US5509784A (en) 1994-07-27 1996-04-23 General Electric Co. Turbine bucket and wheel assembly with integral bucket shroud
US5947181A (en) * 1996-07-10 1999-09-07 General Electric Co. Composite, internal reinforced ceramic cores and related methods
JPH1052736A (ja) 1996-08-09 1998-02-24 Honda Motor Co Ltd ロストワックス法による中空鋳物の製造方法
US5820774A (en) * 1996-10-28 1998-10-13 United Technologies Corporation Ceramic core for casting a turbine blade
US5950705A (en) * 1996-12-03 1999-09-14 General Electric Company Method for casting and controlling wall thickness
DE19821770C1 (de) * 1998-05-14 1999-04-15 Siemens Ag Verfahren und Vorrichtung zur Herstellung eines metallischen Hohlkörpers
US6347660B1 (en) * 1998-12-01 2002-02-19 Howmet Research Corporation Multipiece core assembly for cast airfoil

Also Published As

Publication number Publication date
EP1106280A1 (en) 2001-06-13
ATE355918T1 (de) 2007-03-15
DE60033768D1 (de) 2007-04-19
US20020012590A1 (en) 2002-01-31
KR20010067057A (ko) 2001-07-12
JP2001173404A (ja) 2001-06-26
US6464462B2 (en) 2002-10-15
EP1106280B1 (en) 2007-03-07

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8364 No opposition during term of opposition