EP2466072A3 - Ventilateur axial de circulation d'air - Google Patents

Ventilateur axial de circulation d'air Download PDF

Info

Publication number
EP2466072A3
EP2466072A3 EP11075270.6A EP11075270A EP2466072A3 EP 2466072 A3 EP2466072 A3 EP 2466072A3 EP 11075270 A EP11075270 A EP 11075270A EP 2466072 A3 EP2466072 A3 EP 2466072A3
Authority
EP
European Patent Office
Prior art keywords
air movement
axial air
fan
fan blade
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.)
Granted
Application number
EP11075270.6A
Other languages
German (de)
English (en)
Other versions
EP2466072A2 (fr
EP2466072B1 (fr
Inventor
Dominique Revillot
Alain Godichon
Geoff Sheard
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.)
Howden Axial Fans AB
Original Assignee
Howden Axial Fans AB
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 Howden Axial Fans AB filed Critical Howden Axial Fans AB
Publication of EP2466072A2 publication Critical patent/EP2466072A2/fr
Publication of EP2466072A3 publication Critical patent/EP2466072A3/fr
Application granted granted Critical
Publication of EP2466072B1 publication Critical patent/EP2466072B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/324—Blades
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP11075270.6A 2010-12-16 2011-12-14 Ventilateur axial de circulation d'air Active EP2466072B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1021349.4A GB2486470A (en) 2010-12-16 2010-12-16 Fan blade with oscillating damping mass

Publications (3)

Publication Number Publication Date
EP2466072A2 EP2466072A2 (fr) 2012-06-20
EP2466072A3 true EP2466072A3 (fr) 2016-12-21
EP2466072B1 EP2466072B1 (fr) 2018-07-04

Family

ID=43567308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11075270.6A Active EP2466072B1 (fr) 2010-12-16 2011-12-14 Ventilateur axial de circulation d'air

Country Status (2)

Country Link
EP (1) EP2466072B1 (fr)
GB (2) GB2486470A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10914320B2 (en) 2014-01-24 2021-02-09 Raytheon Technologies Corporation Additive manufacturing process grown integrated torsional damper mechanism in gas turbine engine blade

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689107A (en) * 1949-08-13 1954-09-14 United Aircraft Corp Vibration damper for blades and vanes
US2920868A (en) * 1955-10-05 1960-01-12 Westinghouse Electric Corp Dampened blade structure
US20080085202A1 (en) * 2004-10-15 2008-04-10 Boc Edwards Japan Limited Damper and Vacuum Pump

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828941A (en) * 1952-12-24 1958-04-01 United Aircraft Corp Blade damping means
GB2093126B (en) * 1981-02-12 1984-05-16 Rolls Royce Rotor blade for a gas turbine engine
US5232344A (en) * 1992-01-17 1993-08-03 United Technologies Corporation Internally damped blades
DE29522190U1 (de) * 1994-02-07 2000-12-14 Bonus Energy A/S, Brande Windmühlenblatt
US6155789A (en) * 1999-04-06 2000-12-05 General Electric Company Gas turbine engine airfoil damper and method for production
DK1754886T3 (da) * 2005-08-17 2012-12-17 Gen Electric Rotorblad til en vindenergiturbine
US7270517B2 (en) * 2005-10-06 2007-09-18 Siemens Power Generation, Inc. Turbine blade with vibration damper
FR2933068B1 (fr) * 2008-06-27 2011-02-25 Eurocopter France Pale pour reduire les mouvements en trainee de ladite pale et procede pour reduire un tel mouvement en trainee.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689107A (en) * 1949-08-13 1954-09-14 United Aircraft Corp Vibration damper for blades and vanes
US2920868A (en) * 1955-10-05 1960-01-12 Westinghouse Electric Corp Dampened blade structure
US20080085202A1 (en) * 2004-10-15 2008-04-10 Boc Edwards Japan Limited Damper and Vacuum Pump

Also Published As

Publication number Publication date
GB201121432D0 (en) 2012-01-25
EP2466072A2 (fr) 2012-06-20
GB2486470A (en) 2012-06-20
GB201021349D0 (en) 2011-01-26
GB2486557B (en) 2017-02-08
GB2486557A (en) 2012-06-20
EP2466072B1 (fr) 2018-07-04

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