DE69817094D1 - Beschaufelung mit einer schraubenförmigen Rampe mit serieller Prallkühlung durch ein doppelwandiges Rippensystem - Google Patents

Beschaufelung mit einer schraubenförmigen Rampe mit serieller Prallkühlung durch ein doppelwandiges Rippensystem

Info

Publication number
DE69817094D1
DE69817094D1 DE69817094T DE69817094T DE69817094D1 DE 69817094 D1 DE69817094 D1 DE 69817094D1 DE 69817094 T DE69817094 T DE 69817094T DE 69817094 T DE69817094 T DE 69817094T DE 69817094 D1 DE69817094 D1 DE 69817094D1
Authority
DE
Germany
Prior art keywords
blading
double
helical ramp
impact cooling
rib system
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
DE69817094T
Other languages
English (en)
Other versions
DE69817094T2 (de
Inventor
Yves Maurice Bailly
Gerard Andre Coudray
Mischael Francois Loui Derrien
Jean-Michel Roger Fougeres
Philippe Christian Pellier
Jean-Claude Christian Taillant
Thierry Henri Marcel Tassin
Christophe Bernard Texier
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA Moteurs SA
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 SNECMA Moteurs SA filed Critical SNECMA Moteurs SA
Application granted granted Critical
Publication of DE69817094D1 publication Critical patent/DE69817094D1/de
Publication of DE69817094T2 publication Critical patent/DE69817094T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • F01D5/18—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
    • F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/15—Two-dimensional spiral
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/25—Three-dimensional helical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69817094T 1997-06-26 1998-06-25 Beschaufelung mit einer schraubenförmigen Rampe mit serieller Prallkühlung durch ein doppelwandiges Rippensystem Expired - Lifetime DE69817094T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9707988 1997-06-26
FR9707988A FR2765265B1 (fr) 1997-06-26 1997-06-26 Aubage refroidi par rampe helicoidale, par impact en cascade et par systeme a pontets dans une double peau

Publications (2)

Publication Number Publication Date
DE69817094D1 true DE69817094D1 (de) 2003-09-18
DE69817094T2 DE69817094T2 (de) 2004-06-17

Family

ID=9508460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69817094T Expired - Lifetime DE69817094T2 (de) 1997-06-26 1998-06-25 Beschaufelung mit einer schraubenförmigen Rampe mit serieller Prallkühlung durch ein doppelwandiges Rippensystem

Country Status (6)

Country Link
US (1) US5993156A (de)
EP (1) EP0887515B1 (de)
JP (1) JP3735201B2 (de)
DE (1) DE69817094T2 (de)
FR (1) FR2765265B1 (de)
RU (1) RU2146766C1 (de)

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Also Published As

Publication number Publication date
DE69817094T2 (de) 2004-06-17
JPH1172003A (ja) 1999-03-16
RU2146766C1 (ru) 2000-03-20
US5993156A (en) 1999-11-30
EP0887515A1 (de) 1998-12-30
JP3735201B2 (ja) 2006-01-18
FR2765265B1 (fr) 1999-08-20
FR2765265A1 (fr) 1998-12-31
EP0887515B1 (de) 2003-08-13

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: SNECMA, PARIS, FR