GB2486557B - Axial air movement fans - Google Patents

Axial air movement fans

Info

Publication number
GB2486557B
GB2486557B GB1121432.7A GB201121432A GB2486557B GB 2486557 B GB2486557 B GB 2486557B GB 201121432 A GB201121432 A GB 201121432A GB 2486557 B GB2486557 B GB 2486557B
Authority
GB
United Kingdom
Prior art keywords
air movement
axial air
fans
movement fans
axial
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.)
Active
Application number
GB1121432.7A
Other versions
GB2486557A (en
GB201121432D0 (en
Inventor
Revillot Dominique
Godichon Alain
Sheard Geoff
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 GB201121432D0 publication Critical patent/GB201121432D0/en
Publication of GB2486557A publication Critical patent/GB2486557A/en
Application granted granted Critical
Publication of GB2486557B publication Critical patent/GB2486557B/en
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
    • F04D29/26—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
    • 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
GB1121432.7A 2010-12-16 2011-12-14 Axial air movement fans Active GB2486557B (en)

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
GB201121432D0 GB201121432D0 (en) 2012-01-25
GB2486557A GB2486557A (en) 2012-06-20
GB2486557B true GB2486557B (en) 2017-02-08

Family

ID=43567308

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1021349.4A Withdrawn GB2486470A (en) 2010-12-16 2010-12-16 Fan blade with oscillating damping mass
GB1121432.7A Active GB2486557B (en) 2010-12-16 2011-12-14 Axial air movement fans

Family Applications Before (1)

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GB1021349.4A Withdrawn GB2486470A (en) 2010-12-16 2010-12-16 Fan blade with oscillating damping mass

Country Status (2)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3097268B1 (en) * 2014-01-24 2019-04-24 United Technologies Corporation Blade for a gas turbine engine and corresponding method of damping

Citations (2)

* 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
EP1754886A1 (en) * 2005-08-17 2007-02-21 General Electric Company Rotor blade for a wind energy turbine

Family Cites Families (9)

* 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
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 (en) * 1994-02-07 2000-12-14 Lm Glasfiber As Lunderskov Windmill blade
US6155789A (en) * 1999-04-06 2000-12-05 General Electric Company Gas turbine engine airfoil damper and method for production
US7993113B2 (en) * 2004-10-15 2011-08-09 Boc Edwards Japan Limited Damper and vacuum pump
US7270517B2 (en) * 2005-10-06 2007-09-18 Siemens Power Generation, Inc. Turbine blade with vibration damper
FR2933068B1 (en) * 2008-06-27 2011-02-25 Eurocopter France BLADE FOR REDUCING MOVEMENTS IN TRAINING OF SAID BLADE AND METHOD FOR REDUCING SUCH MOVEMENT IN TRAINEE.

Patent Citations (2)

* 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
EP1754886A1 (en) * 2005-08-17 2007-02-21 General Electric Company Rotor blade for a wind energy turbine

Also Published As

Publication number Publication date
EP2466072A3 (en) 2016-12-21
GB201021349D0 (en) 2011-01-26
GB2486557A (en) 2012-06-20
EP2466072B1 (en) 2018-07-04
EP2466072A2 (en) 2012-06-20
GB2486470A (en) 2012-06-20
GB201121432D0 (en) 2012-01-25

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