FR2769947B1 - Aube de turbine a refroidissement ameliore - Google Patents

Aube de turbine a refroidissement ameliore

Info

Publication number
FR2769947B1
FR2769947B1 FR9815923A FR9815923A FR2769947B1 FR 2769947 B1 FR2769947 B1 FR 2769947B1 FR 9815923 A FR9815923 A FR 9815923A FR 9815923 A FR9815923 A FR 9815923A FR 2769947 B1 FR2769947 B1 FR 2769947B1
Authority
FR
France
Prior art keywords
turbine blade
improved cooling
cooling turbine
improved
blade
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 - Fee Related
Application number
FR9815923A
Other languages
English (en)
Other versions
FR2769947A1 (fr
Inventor
Hideo Nomoto
Takanari Okamura
Shoko Ito
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17777757&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2769947(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of FR2769947A1 publication Critical patent/FR2769947A1/fr
Application granted granted Critical
Publication of FR2769947B1 publication Critical patent/FR2769947B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/002—Wall structures
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
    • F23R2900/03044—Impingement cooled combustion chamber walls or subassemblies
FR9815923A 1993-11-22 1998-12-17 Aube de turbine a refroidissement ameliore Expired - Fee Related FR2769947B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05292116A JP3110227B2 (ja) 1993-11-22 1993-11-22 タービン冷却翼

Publications (2)

Publication Number Publication Date
FR2769947A1 FR2769947A1 (fr) 1999-04-23
FR2769947B1 true FR2769947B1 (fr) 2000-02-11

Family

ID=17777757

Family Applications (2)

Application Number Title Priority Date Filing Date
FR9413947A Expired - Fee Related FR2712919B1 (fr) 1993-11-22 1994-11-22 Aube refroidie de turbine.
FR9815923A Expired - Fee Related FR2769947B1 (fr) 1993-11-22 1998-12-17 Aube de turbine a refroidissement ameliore

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR9413947A Expired - Fee Related FR2712919B1 (fr) 1993-11-22 1994-11-22 Aube refroidie de turbine.

Country Status (4)

Country Link
US (1) US5533864A (fr)
JP (1) JP3110227B2 (fr)
DE (1) DE4441507C3 (fr)
FR (2) FR2712919B1 (fr)

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Also Published As

Publication number Publication date
DE4441507C2 (de) 1996-09-12
DE4441507A1 (de) 1995-05-24
JPH07145702A (ja) 1995-06-06
JP3110227B2 (ja) 2000-11-20
FR2712919B1 (fr) 1999-05-21
US5533864A (en) 1996-07-09
DE4441507C3 (de) 2001-03-01
FR2712919A1 (fr) 1995-06-02
FR2769947A1 (fr) 1999-04-23

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