GB2349111A - Method of producing cooling-air holes and slots on those parts of thermal turbomachines which are subjected to hot gas - Google Patents

Method of producing cooling-air holes and slots on those parts of thermal turbomachines which are subjected to hot gas Download PDF

Info

Publication number
GB2349111A
GB2349111A GB0009049A GB0009049A GB2349111A GB 2349111 A GB2349111 A GB 2349111A GB 0009049 A GB0009049 A GB 0009049A GB 0009049 A GB0009049 A GB 0009049A GB 2349111 A GB2349111 A GB 2349111A
Authority
GB
United Kingdom
Prior art keywords
cooling
air holes
gas
slots
hot gas
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.)
Withdrawn
Application number
GB0009049A
Other languages
English (en)
Other versions
GB0009049D0 (en
Inventor
Alexander Beeck
Bernhard Weigand
Klaus Semmler
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 Switzerland GmbH
Alstom Power Inc
Original Assignee
ABB Alstom Power Switzerland Ltd
Alstom Power Inc
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 ABB Alstom Power Switzerland Ltd, Alstom Power Inc filed Critical ABB Alstom Power Switzerland Ltd
Publication of GB0009049D0 publication Critical patent/GB0009049D0/en
Publication of GB2349111A publication Critical patent/GB2349111A/en
Withdrawn legal-status Critical Current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
    • F01D5/186—Film cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/06—Cooling passages of turbine components, e.g. unblocking or preventing blocking of cooling passages of turbine components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
GB0009049A 1999-04-19 2000-04-12 Method of producing cooling-air holes and slots on those parts of thermal turbomachines which are subjected to hot gas Withdrawn GB2349111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1999117611 DE19917611A1 (de) 1999-04-19 1999-04-19 Verfahren zur Herstellung von Kühlluftbohrungen und Schlitzen an mit Heissgas beaufschlagten Teilen thermischer Turbomaschinen

Publications (2)

Publication Number Publication Date
GB0009049D0 GB0009049D0 (en) 2000-05-31
GB2349111A true GB2349111A (en) 2000-10-25

Family

ID=7905062

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0009049A Withdrawn GB2349111A (en) 1999-04-19 2000-04-12 Method of producing cooling-air holes and slots on those parts of thermal turbomachines which are subjected to hot gas

Country Status (2)

Country Link
DE (1) DE19917611A1 (de)
GB (1) GB2349111A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1408196A2 (de) * 2002-10-08 2004-04-14 General Electric Company Verfahren zur Herstellung von Kühlungsöffnungen in profilförmigen Schaufeln
US7628678B2 (en) 2007-01-08 2009-12-08 Alstom Technology Ltd Method and device for pin removal in a confined space
US20090325468A1 (en) * 2008-06-30 2009-12-31 Tahany Ibrahim El-Wardany Abrasive waterjet machining and method to manufacture a curved rotor blade retention slot
WO2016182688A1 (en) * 2015-05-08 2016-11-17 Balance Technology, Inc. Abrasive water jet balancing appartus and method for rotating components

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917443A (en) * 1989-05-01 1990-04-17 Rockwell International Corporation Antilock brake controller with fail-safe microprocessor
US4955164A (en) * 1989-06-15 1990-09-11 Flow Research, Inc Method and apparatus for drilling small diameter holes in fragile material with high velocity liquid jet
US5216808A (en) * 1990-11-13 1993-06-08 General Electric Company Method for making or repairing a gas turbine engine component
GB2303324A (en) * 1995-07-19 1997-02-19 Mtu Muenchen Gmbh Component with cavities having a columnar structure
GB2324835A (en) * 1994-08-02 1998-11-04 United Technologies Corporation Method of manufacturing a turbine blade having discharge holes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643004B1 (fr) * 1989-02-13 1994-06-17 Hurel Dubois Avions Procede de percage d'une plaque a tres grande densite de trous et de configuration quelconque, et produits resultants
DE3915933C1 (de) * 1989-05-16 1990-11-29 Schneider, Geb. Loegel, Francine, Ingwiller, Fr
DE19622241A1 (de) * 1996-06-03 1997-12-04 Claus Dr Becker Verfahren und Vorrichtung zum Schneiden oder flächigen Abtragen von festen Materialien

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4917443A (en) * 1989-05-01 1990-04-17 Rockwell International Corporation Antilock brake controller with fail-safe microprocessor
US4955164A (en) * 1989-06-15 1990-09-11 Flow Research, Inc Method and apparatus for drilling small diameter holes in fragile material with high velocity liquid jet
US5216808A (en) * 1990-11-13 1993-06-08 General Electric Company Method for making or repairing a gas turbine engine component
GB2324835A (en) * 1994-08-02 1998-11-04 United Technologies Corporation Method of manufacturing a turbine blade having discharge holes
GB2303324A (en) * 1995-07-19 1997-02-19 Mtu Muenchen Gmbh Component with cavities having a columnar structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1408196A2 (de) * 2002-10-08 2004-04-14 General Electric Company Verfahren zur Herstellung von Kühlungsöffnungen in profilförmigen Schaufeln
EP1408196A3 (de) * 2002-10-08 2004-07-14 General Electric Company Verfahren zur Herstellung von Kühlungsöffnungen in profilförmigen Schaufeln
US7628678B2 (en) 2007-01-08 2009-12-08 Alstom Technology Ltd Method and device for pin removal in a confined space
US8235772B2 (en) 2007-01-08 2012-08-07 Alstom Technology Ltd Method and device for pin removal in a confined space
US20090325468A1 (en) * 2008-06-30 2009-12-31 Tahany Ibrahim El-Wardany Abrasive waterjet machining and method to manufacture a curved rotor blade retention slot
US8439724B2 (en) * 2008-06-30 2013-05-14 United Technologies Corporation Abrasive waterjet machining and method to manufacture a curved rotor blade retention slot
WO2016182688A1 (en) * 2015-05-08 2016-11-17 Balance Technology, Inc. Abrasive water jet balancing appartus and method for rotating components
US10272542B2 (en) 2015-05-08 2019-04-30 Balance Technology, Inc. Abrasive water jet balancing apparatus and method for rotating components

Also Published As

Publication number Publication date
DE19917611A1 (de) 2000-10-26
GB0009049D0 (en) 2000-05-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)