GB2409708B - Device for mounting a blade with a variable angle of attack - Google Patents

Device for mounting a blade with a variable angle of attack

Info

Publication number
GB2409708B
GB2409708B GB0500201A GB0500201A GB2409708B GB 2409708 B GB2409708 B GB 2409708B GB 0500201 A GB0500201 A GB 0500201A GB 0500201 A GB0500201 A GB 0500201A GB 2409708 B GB2409708 B GB 2409708B
Authority
GB
United Kingdom
Prior art keywords
attack
blade
mounting
variable angle
variable
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
GB0500201A
Other versions
GB0500201D0 (en
GB2409708A (en
Inventor
Jean-Jacques Forest
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.)
NTN SNR Roulements SA
Original Assignee
Societe Nouvelle de Roulements SNR 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 Societe Nouvelle de Roulements SNR SA filed Critical Societe Nouvelle de Roulements SNR SA
Publication of GB0500201D0 publication Critical patent/GB0500201D0/en
Publication of GB2409708A publication Critical patent/GB2409708A/en
Application granted granted Critical
Publication of GB2409708B publication Critical patent/GB2409708B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • F16C19/492—Bearings with both balls and rollers with two or more rows with angular contact
    • F16C19/495—Bearings with both balls and rollers with two or more rows with angular contact with two rows
    • F16C19/497—Bearings with both balls and rollers with two or more rows with angular contact with two rows in O-arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • F16C33/605—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings with a separate retaining member, e.g. flange, shoulder, guide ring, secured to a race ring, adjacent to the race surface, so as to abut the end of the rolling elements, e.g. rollers, or the cage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/43—Aeroplanes; Helicopters
GB0500201A 2003-11-21 2005-01-06 Device for mounting a blade with a variable angle of attack Expired - Fee Related GB2409708B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0313679A FR2862609B1 (en) 2003-11-21 2003-11-21 DEVICE FOR MOUNTING A BLADE WITH VARIABLE INCIDENCE ANGLE

Publications (3)

Publication Number Publication Date
GB0500201D0 GB0500201D0 (en) 2005-02-16
GB2409708A GB2409708A (en) 2005-07-06
GB2409708B true GB2409708B (en) 2008-06-11

Family

ID=33548328

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0425756.4A Ceased GB0425756D0 (en) 2003-11-21 2004-11-23 Device for mounting a blade with a variable angle of attack
GB0500201A Expired - Fee Related GB2409708B (en) 2003-11-21 2005-01-06 Device for mounting a blade with a variable angle of attack

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0425756.4A Ceased GB0425756D0 (en) 2003-11-21 2004-11-23 Device for mounting a blade with a variable angle of attack

Country Status (2)

Country Link
FR (1) FR2862609B1 (en)
GB (2) GB0425756D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10125821B2 (en) 2015-12-17 2018-11-13 Ntn-Snr Roulements Lubricated rolling bearing for blade roots

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442147B (en) * 2005-08-17 2008-08-27 Hamilton Sundstrand Corp Propeller blade retention system
US7422419B2 (en) 2005-08-17 2008-09-09 Hamilton Sundstrand Corporation Propeller blade retention system
US7845910B2 (en) 2007-06-05 2010-12-07 Hamilton Sundstrand Corporation Propeller blade retention system with tapered roller bearing cartridge assemblies
CN101832338B (en) * 2010-05-11 2016-01-20 无锡风电设计研究院有限公司 A kind of coaxially connecting bearing assembly
CN101825064B (en) * 2010-05-11 2014-12-10 无锡风电设计研究院有限公司 Wind generating set capable of fine adjusting attack angle of blade
FR3042238B1 (en) 2015-10-09 2017-11-24 Ntn-Snr Roulements LEFT LEG BEARING, OSCILLATING SYSTEM AND ROTATING SYSTEM
FR3044293B1 (en) 2015-11-27 2018-03-16 Ntn-Snr Roulements BLADE LEVEL BEARING AND METHOD FOR MANUFACTURING SAME, SYSTEM, SWING SYSTEM AND ROTATING SYSTEM COMPRISING SUCH BEARING

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB637238A (en) * 1947-01-20 1950-05-17 Rotol Ltd Improvements in or relating to variable-pitch propellers
GB2226087A (en) * 1988-12-14 1990-06-20 Gen Electric Propeller blade mounting arrangement
US5263898A (en) * 1988-12-14 1993-11-23 General Electric Company Propeller blade retention system
GB2271392A (en) * 1992-10-08 1994-04-13 Dowty Aerospace Gloucester Variable pitch propeller blade mounting.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244525B (en) * 1990-04-04 1994-09-21 Dowty Aerospace Gloucester A propeller hub assembly
US5118256A (en) * 1991-04-29 1992-06-02 United Technologies Corporation Blade retention apparatus with elastomeric preload
WO1997006057A1 (en) * 1995-08-09 1997-02-20 Dowty Aerospace Gloucester Limited A bearing and a method of disassembling such a bearing
GB9616170D0 (en) * 1996-08-01 1996-09-11 Timken The Company Bearing assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB637238A (en) * 1947-01-20 1950-05-17 Rotol Ltd Improvements in or relating to variable-pitch propellers
GB2226087A (en) * 1988-12-14 1990-06-20 Gen Electric Propeller blade mounting arrangement
US5263898A (en) * 1988-12-14 1993-11-23 General Electric Company Propeller blade retention system
GB2271392A (en) * 1992-10-08 1994-04-13 Dowty Aerospace Gloucester Variable pitch propeller blade mounting.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10125821B2 (en) 2015-12-17 2018-11-13 Ntn-Snr Roulements Lubricated rolling bearing for blade roots

Also Published As

Publication number Publication date
GB0425756D0 (en) 2004-12-22
FR2862609A1 (en) 2005-05-27
FR2862609B1 (en) 2007-03-09
GB0500201D0 (en) 2005-02-16
GB2409708A (en) 2005-07-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120106