DE2202857C2 - Gekühlte Laufschaufel für Gasturbinen - Google Patents

Gekühlte Laufschaufel für Gasturbinen

Info

Publication number
DE2202857C2
DE2202857C2 DE2202857A DE2202857DA DE2202857C2 DE 2202857 C2 DE2202857 C2 DE 2202857C2 DE 2202857 A DE2202857 A DE 2202857A DE 2202857D A DE2202857D A DE 2202857DA DE 2202857 C2 DE2202857 C2 DE 2202857C2
Authority
DE
Germany
Prior art keywords
blade
cooling
edge
construction
trough
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
DE2202857A
Other languages
German (de)
English (en)
Other versions
DE2202857B1 (de
Inventor
Oskar Dipl.-Ing. Frei
Dilip Dipl.-Ing.Dr. Mukherjee
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.)
Brown Boveri Sulzer Turbomaschinen AG
Original Assignee
Brown Boveri Sulzer Turbomaschinen AG
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 Brown Boveri Sulzer Turbomaschinen AG filed Critical Brown Boveri Sulzer Turbomaschinen AG
Publication of DE2202857B1 publication Critical patent/DE2202857B1/de
Application granted granted Critical
Publication of DE2202857C2 publication Critical patent/DE2202857C2/de
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
    • F01D5/187—Convection cooling
    • 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
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/126—Baffles or ribs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE2202857A 1972-01-18 1972-01-21 Gekühlte Laufschaufel für Gasturbinen Expired DE2202857C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH69872 1972-01-18

Publications (2)

Publication Number Publication Date
DE2202857B1 DE2202857B1 (de) 1973-06-20
DE2202857C2 true DE2202857C2 (de) 1974-10-17

Family

ID=4193074

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2202857A Expired DE2202857C2 (de) 1972-01-18 1972-01-21 Gekühlte Laufschaufel für Gasturbinen

Country Status (11)

Country Link
US (1) US3885609A (US06815460-20041109-C00097.png)
JP (1) JPS5145727B2 (US06815460-20041109-C00097.png)
BE (1) BE794194A (US06815460-20041109-C00097.png)
CA (1) CA979810A (US06815460-20041109-C00097.png)
CH (1) CH547430A (US06815460-20041109-C00097.png)
DE (1) DE2202857C2 (US06815460-20041109-C00097.png)
FR (1) FR2168801A5 (US06815460-20041109-C00097.png)
GB (1) GB1357713A (US06815460-20041109-C00097.png)
IT (1) IT978244B (US06815460-20041109-C00097.png)
NL (1) NL7300698A (US06815460-20041109-C00097.png)
SE (1) SE381312B (US06815460-20041109-C00097.png)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1560683A (en) * 1972-11-28 1980-02-06 Rolls Royce Turbine blade
CH580750A5 (US06815460-20041109-C00097.png) * 1974-07-17 1976-10-15 Bbc Sulzer Turbomaschinen
US4128928A (en) * 1976-12-29 1978-12-12 General Electric Company Method of forming a curved trailing edge cooling slot
JPS5637491Y2 (US06815460-20041109-C00097.png) * 1977-03-07 1981-09-02
US4278400A (en) * 1978-09-05 1981-07-14 United Technologies Corporation Coolable rotor blade
US4303374A (en) * 1978-12-15 1981-12-01 General Electric Company Film cooled airfoil body
FR2476207A1 (fr) * 1980-02-19 1981-08-21 Snecma Perfectionnement aux aubes de turbines refroidies
JPS6216338Y2 (US06815460-20041109-C00097.png) * 1981-02-14 1987-04-24
GB2165315B (en) * 1984-10-04 1987-12-31 Rolls Royce Improvements in or relating to hollow fluid cooled turbine blades
US4601638A (en) * 1984-12-21 1986-07-22 United Technologies Corporation Airfoil trailing edge cooling arrangement
GB2279705B (en) * 1985-07-24 1995-06-28 Rolls Royce Plc Cooling of turbine blades for a gas turbine engine
GB9607578D0 (en) * 1996-04-12 1996-06-12 Rolls Royce Plc Turbine rotor blades
US5601399A (en) * 1996-05-08 1997-02-11 Alliedsignal Inc. Internally cooled gas turbine vane
US5772397A (en) * 1996-05-08 1998-06-30 Alliedsignal Inc. Gas turbine airfoil with aft internal cooling
FR2782118B1 (fr) * 1998-08-05 2000-09-15 Snecma Aube de turbine refroidie a bord de fuite amenage
EP1099825A1 (de) * 1999-11-12 2001-05-16 Siemens Aktiengesellschaft Turbinenschaufel und Verfahren zur Herstellung einer Turbinenschaufel
EP1167689A1 (de) * 2000-06-21 2002-01-02 Siemens Aktiengesellschaft Konfiguration einer kühlbaren Turbinenschaufel
JP2002221005A (ja) * 2001-01-26 2002-08-09 Ishikawajima Harima Heavy Ind Co Ltd 冷却タービン翼
US6652235B1 (en) * 2002-05-31 2003-11-25 General Electric Company Method and apparatus for reducing turbine blade tip region temperatures
GB2411698A (en) * 2004-03-03 2005-09-07 Rolls Royce Plc Coolant flow control in gas turbine engine
US7210906B2 (en) * 2004-08-10 2007-05-01 Pratt & Whitney Canada Corp. Internally cooled gas turbine airfoil and method
FR2924155B1 (fr) * 2007-11-26 2014-02-14 Snecma Aube de turbomachine
EP2252771A1 (de) * 2008-03-07 2010-11-24 ALSTOM Technology Ltd Schaufel für eine gasturbine
FR2954798B1 (fr) * 2009-12-31 2012-03-30 Snecma Aube a ventilation interieure
WO2014009074A1 (de) * 2012-07-12 2014-01-16 Siemens Aktiengesellschaft Turbinenschaufel für eine gasturbine
US9732617B2 (en) * 2013-11-26 2017-08-15 General Electric Company Cooled airfoil trailing edge and method of cooling the airfoil trailing edge
US9771816B2 (en) 2014-05-07 2017-09-26 General Electric Company Blade cooling circuit feed duct, exhaust duct, and related cooling structure
US9638045B2 (en) 2014-05-28 2017-05-02 General Electric Company Cooling structure for stationary blade
US9822653B2 (en) 2015-07-16 2017-11-21 General Electric Company Cooling structure for stationary blade
US9909436B2 (en) 2015-07-16 2018-03-06 General Electric Company Cooling structure for stationary blade
DE102015112643A1 (de) * 2015-07-31 2017-02-02 Wobben Properties Gmbh Windenergieanlagen-Rotorblatt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017159A (en) * 1956-11-23 1962-01-16 Curtiss Wright Corp Hollow blade construction
US3045965A (en) * 1959-04-27 1962-07-24 Rolls Royce Turbine blades, vanes and the like
US3420502A (en) * 1962-09-04 1969-01-07 Gen Electric Fluid-cooled airfoil
US3533711A (en) * 1966-02-26 1970-10-13 Gen Electric Cooled vane structure for high temperature turbines
US3533712A (en) * 1966-02-26 1970-10-13 Gen Electric Cooled vane structure for high temperature turbines
US3734639A (en) * 1968-01-25 1973-05-22 Gen Motors Corp Turbine cooling
US3628885A (en) * 1969-10-01 1971-12-21 Gen Electric Fluid-cooled airfoil
US3635585A (en) * 1969-12-23 1972-01-18 Westinghouse Electric Corp Gas-cooled turbine blade
US3635586A (en) * 1970-04-06 1972-01-18 Rolls Royce Method and apparatus for turbine blade cooling
US3736071A (en) * 1970-11-27 1973-05-29 Gen Electric Bucket tip/collection slot combination for open-circuit liquid-cooled gas turbines

Also Published As

Publication number Publication date
FR2168801A5 (US06815460-20041109-C00097.png) 1973-08-31
SE381312B (sv) 1975-12-01
DE2202857B1 (de) 1973-06-20
US3885609A (en) 1975-05-27
CA979810A (en) 1975-12-16
IT978244B (it) 1974-09-20
NL7300698A (US06815460-20041109-C00097.png) 1973-07-20
JPS4882211A (US06815460-20041109-C00097.png) 1973-11-02
GB1357713A (en) 1974-06-26
JPS5145727B2 (US06815460-20041109-C00097.png) 1976-12-04
CH547430A (de) 1974-03-29
BE794194A (fr) 1973-07-18

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977