FR2054402A5 - - Google Patents

Info

Publication number
FR2054402A5
FR2054402A5 FR7025500A FR7025500A FR2054402A5 FR 2054402 A5 FR2054402 A5 FR 2054402A5 FR 7025500 A FR7025500 A FR 7025500A FR 7025500 A FR7025500 A FR 7025500A FR 2054402 A5 FR2054402 A5 FR 2054402A5
Authority
FR
France
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
FR7025500A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR2054402A5 publication Critical patent/FR2054402A5/fr
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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7025500A 1969-07-23 1970-07-09 Expired FR2054402A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691937395 DE1937395A1 (en) 1969-07-23 1969-07-23 Grid to avoid secondary flow

Publications (1)

Publication Number Publication Date
FR2054402A5 true FR2054402A5 (en) 1971-04-16

Family

ID=5740638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7025500A Expired FR2054402A5 (en) 1969-07-23 1970-07-09

Country Status (2)

Country Link
DE (1) DE1937395A1 (en)
FR (1) FR2054402A5 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432608A1 (en) * 1978-07-31 1980-02-29 Alsthom Atlantique Prevention of turbulence blades - is achieved by fitting ailerons near blade root and tip to deter breaking away of boundary layer
FR2438156A1 (en) * 1978-10-05 1980-04-30 Alsthom Atlantique Turbine blade ring - has holes drilled in blades to relieve fluid build up due to centrifugal force
EP0179057A1 (en) * 1983-07-04 1986-04-30 BOLESTA, Dmytro Conversion of molecular energy into power
WO2006015899A1 (en) * 2004-08-06 2006-02-16 Siemens Aktiengesellschaft Compressor blade and production and use of a compressor blade
FR2907519A1 (en) * 2006-10-20 2008-04-25 Snecma Sa FLOOR PLATFORM FLOOR
FR2939852A1 (en) * 2008-12-15 2010-06-18 Snecma Stator blade stage for compressor of turboshaft engine e.g. turbopropeller engine, has intermediate blades with axial length or radial height less than that of rectifier blades and extend radially between rectifier blades
FR3026428A1 (en) * 2014-09-30 2016-04-01 Snecma RADIANT TURBOMACHINE TURBOMACHINE ROTOR BEARD
WO2021156577A1 (en) 2020-02-07 2021-08-12 Safran Helicopter Engines Rotor blade for a turbomachine

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55144896U (en) * 1979-04-06 1980-10-17
JPS56113097A (en) * 1980-02-08 1981-09-05 Hitachi Ltd Diffuser for centrifugal hydraulic machine
DE3023466C2 (en) * 1980-06-24 1982-11-25 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Device for reducing secondary flow losses in a bladed flow channel
GB2155558A (en) * 1984-03-10 1985-09-25 Rolls Royce Turbomachinery rotor blades
FR2623569A1 (en) * 1987-11-19 1989-05-26 Snecma VANE OF COMPRESSOR WITH DISSYMMETRIC LETTLE LETCHES
DE4319628A1 (en) * 1993-06-15 1994-12-22 Klein Schanzlin & Becker Ag Structured surfaces of fluid machine components
FR2753495B1 (en) * 1996-09-19 1998-11-13 Valeo Thermique Moteur Sa FAN, IN PARTICULAR FOR A COOLING AND / OR HEATING AND / OR AIR CONDITIONING APPARATUS OF A MOTOR VEHICLE
DE59806445D1 (en) * 1997-04-01 2003-01-09 Siemens Ag SURFACE STRUCTURE FOR THE WALL OF A FLOW CHANNEL OR A TURBINE BLADE
US5997251A (en) * 1997-11-17 1999-12-07 General Electric Company Ribbed turbine blade tip
DE102006057063B3 (en) * 2006-11-28 2008-07-31 Deutsches Zentrum für Luft- und Raumfahrt e.V. Stator stage of an axial compressor of a turbomachine with cross blades to increase efficiency
EP2309098A1 (en) * 2009-09-30 2011-04-13 Siemens Aktiengesellschaft Airfoil and corresponding guide vane, blade, gas turbine and turbomachine
GB201006450D0 (en) 2010-04-19 2010-06-02 Rolls Royce Plc Blades
GB201615494D0 (en) * 2016-09-13 2016-10-26 Rolls Royce Plc Rotor stage
EP3372785A1 (en) * 2017-03-09 2018-09-12 General Electric Company Turbine airfoil arrangement incorporating splitters
FR3085055B1 (en) * 2018-08-20 2020-12-04 Safran Aircraft Engines CANALIZATION FACE UPSTREAM OF DAWN

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432608A1 (en) * 1978-07-31 1980-02-29 Alsthom Atlantique Prevention of turbulence blades - is achieved by fitting ailerons near blade root and tip to deter breaking away of boundary layer
FR2438156A1 (en) * 1978-10-05 1980-04-30 Alsthom Atlantique Turbine blade ring - has holes drilled in blades to relieve fluid build up due to centrifugal force
EP0179057A1 (en) * 1983-07-04 1986-04-30 BOLESTA, Dmytro Conversion of molecular energy into power
EP0179057A4 (en) * 1983-07-04 1986-05-12 Dmytro Bolesta Conversion of molecular energy into power.
WO2006015899A1 (en) * 2004-08-06 2006-02-16 Siemens Aktiengesellschaft Compressor blade and production and use of a compressor blade
US8951008B2 (en) 2004-08-06 2015-02-10 Siemens Aktiengesellschaft Compressor blade and production and use of a compressor blade
EP1916385A1 (en) * 2006-10-20 2008-04-30 Snecma Sponson of fan platform
RU2456458C2 (en) * 2006-10-20 2012-07-20 Снекма Gas turbine engine compressor platform; gas turbine engine compressor and gas turbine engine
US8303258B2 (en) 2006-10-20 2012-11-06 Snecma Fan platform fin
FR2907519A1 (en) * 2006-10-20 2008-04-25 Snecma Sa FLOOR PLATFORM FLOOR
FR2939852A1 (en) * 2008-12-15 2010-06-18 Snecma Stator blade stage for compressor of turboshaft engine e.g. turbopropeller engine, has intermediate blades with axial length or radial height less than that of rectifier blades and extend radially between rectifier blades
FR3026428A1 (en) * 2014-09-30 2016-04-01 Snecma RADIANT TURBOMACHINE TURBOMACHINE ROTOR BEARD
WO2021156577A1 (en) 2020-02-07 2021-08-12 Safran Helicopter Engines Rotor blade for a turbomachine
FR3107078A1 (en) * 2020-02-07 2021-08-13 Safran Helicopter Engines ROTOR VANE FOR A TURBOMACHINE
US11852033B2 (en) 2020-02-07 2023-12-26 Safran Helicopter Engines Rotor blade for a turbomachine

Also Published As

Publication number Publication date
DE1937395A1 (en) 1971-02-11

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