FR2798421B1 - Pales refroidies pour moteurs a turbine a gaz - Google Patents

Pales refroidies pour moteurs a turbine a gaz

Info

Publication number
FR2798421B1
FR2798421B1 FR9000791A FR9000791A FR2798421B1 FR 2798421 B1 FR2798421 B1 FR 2798421B1 FR 9000791 A FR9000791 A FR 9000791A FR 9000791 A FR9000791 A FR 9000791A FR 2798421 B1 FR2798421 B1 FR 2798421B1
Authority
FR
France
Prior art keywords
gas turbine
turbine engines
cooled blades
blades
cooled
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
FR9000791A
Other languages
English (en)
Other versions
FR2798421A1 (fr
Inventor
Kenneth B Hall
Clelland Robert J Mc
Thomas A Auxier
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Priority to FR9000791A priority Critical patent/FR2798421B1/fr
Publication of FR2798421A1 publication Critical patent/FR2798421A1/fr
Application granted granted Critical
Publication of FR2798421B1 publication Critical patent/FR2798421B1/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
    • F01D5/187—Convection cooling
    • 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
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
    • 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
    • F05D2260/60—Fluid transfer
    • F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
FR9000791A 1990-01-24 1990-01-24 Pales refroidies pour moteurs a turbine a gaz Expired - Fee Related FR2798421B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9000791A FR2798421B1 (fr) 1990-01-24 1990-01-24 Pales refroidies pour moteurs a turbine a gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9000791A FR2798421B1 (fr) 1990-01-24 1990-01-24 Pales refroidies pour moteurs a turbine a gaz

Publications (2)

Publication Number Publication Date
FR2798421A1 FR2798421A1 (fr) 2001-03-16
FR2798421B1 true FR2798421B1 (fr) 2002-10-11

Family

ID=9393053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9000791A Expired - Fee Related FR2798421B1 (fr) 1990-01-24 1990-01-24 Pales refroidies pour moteurs a turbine a gaz

Country Status (1)

Country Link
FR (1) FR2798421B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1321627A1 (fr) * 2001-12-21 2003-06-25 Siemens Aktiengesellschaft Aube de turbine à refroidissement à air et à vapeur et procédé de refroidissement
GB0810986D0 (en) 2008-06-17 2008-07-23 Rolls Royce Plc A Cooling arrangement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6043A (en) 1849-01-23 Improvement in cylinders for carrying and supporting cards
US6057A (en) 1849-01-23 Guard or stripper for stirring-machines
US812108A (en) 1905-05-06 1906-02-06 George C Wyatt Plastic composition.
US3533711A (en) 1966-02-26 1970-10-13 Gen Electric Cooled vane structure for high temperature turbines
US4073599A (en) 1976-08-26 1978-02-14 Westinghouse Electric Corporation Hollow turbine blade tip closure
US4180373A (en) 1977-12-28 1979-12-25 United Technologies Corporation Turbine blade
FR2476207A1 (fr) * 1980-02-19 1981-08-21 Snecma Perfectionnement aux aubes de turbines refroidies
GB2165315B (en) * 1984-10-04 1987-12-31 Rolls Royce Improvements in or relating to hollow fluid cooled turbine blades
US4820122A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades
US4820123A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades

Also Published As

Publication number Publication date
FR2798421A1 (fr) 2001-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20081029