FR2873348B1 - Dispositif de montage de pales sur moyeu d'helice, avec precharge des roulements - Google Patents

Dispositif de montage de pales sur moyeu d'helice, avec precharge des roulements

Info

Publication number
FR2873348B1
FR2873348B1 FR0408238A FR0408238A FR2873348B1 FR 2873348 B1 FR2873348 B1 FR 2873348B1 FR 0408238 A FR0408238 A FR 0408238A FR 0408238 A FR0408238 A FR 0408238A FR 2873348 B1 FR2873348 B1 FR 2873348B1
Authority
FR
France
Prior art keywords
propeller hub
bearing preload
mounting blades
blades
mounting
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
FR0408238A
Other languages
English (en)
Other versions
FR2873348A1 (fr
Inventor
Robert Gaiani
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.)
Ratier Figeac SAS
Original Assignee
Ratier Figeac SAS
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 Ratier Figeac SAS filed Critical Ratier Figeac SAS
Priority to FR0408238A priority Critical patent/FR2873348B1/fr
Priority to US11/190,066 priority patent/US7192255B2/en
Publication of FR2873348A1 publication Critical patent/FR2873348A1/fr
Application granted granted Critical
Publication of FR2873348B1 publication Critical patent/FR2873348B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F16C25/08—Ball or roller bearings self-adjusting
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0408238A 2004-07-26 2004-07-26 Dispositif de montage de pales sur moyeu d'helice, avec precharge des roulements Expired - Lifetime FR2873348B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0408238A FR2873348B1 (fr) 2004-07-26 2004-07-26 Dispositif de montage de pales sur moyeu d'helice, avec precharge des roulements
US11/190,066 US7192255B2 (en) 2004-07-26 2005-07-26 Device for mounting blades on a propeller hub with preloading of the bearings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0408238A FR2873348B1 (fr) 2004-07-26 2004-07-26 Dispositif de montage de pales sur moyeu d'helice, avec precharge des roulements

Publications (2)

Publication Number Publication Date
FR2873348A1 FR2873348A1 (fr) 2006-01-27
FR2873348B1 true FR2873348B1 (fr) 2006-10-20

Family

ID=34947712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0408238A Expired - Lifetime FR2873348B1 (fr) 2004-07-26 2004-07-26 Dispositif de montage de pales sur moyeu d'helice, avec precharge des roulements

Country Status (2)

Country Link
US (1) US7192255B2 (fr)
FR (1) FR2873348B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7223073B2 (en) * 2005-05-19 2007-05-29 Peter Dean Boat propeller
US9399921B2 (en) 2012-11-09 2016-07-26 Hamilton Sundstrand Corporation Hub piloting diameter with relief cuts
US20240351678A1 (en) * 2021-08-24 2024-10-24 Overair, Inc. Proprotor Blade Retention System
FR3126961B1 (fr) 2021-09-13 2023-08-04 Safran Aircraft Engines Helice pour une turbomachine d’aeronef

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB485102A (en) * 1936-11-13 1938-05-13 Arthur Frederick Evans Improvements in variable-pitch airscrews for aircraft
US4850801A (en) 1987-12-21 1989-07-25 United Technologies Corporation Aircraft propeller blade retention
GB2251896B (en) * 1990-12-05 1994-08-17 Dowty Aerospace Gloucester Propeller arrangement
US5118256A (en) 1991-04-29 1992-06-02 United Technologies Corporation Blade retention apparatus with elastomeric preload
US6082907A (en) * 1995-03-31 2000-07-04 Andritz Inc. Pre-loading device for a radical-bearing unit
GB9516302D0 (en) * 1995-08-09 1995-10-11 Dowty Aerospace Gloucester Bearing preload
GB9616170D0 (en) * 1996-08-01 1996-09-11 Timken The Company Bearing assembly
US6015264A (en) * 1997-08-15 2000-01-18 United Technologies Corporation Preloaded retention assembly for aircraft propeller blade retention
US6213719B1 (en) 1999-07-28 2001-04-10 United Technologies Corporation Bar wedge preload apparatus for a propeller blade

Also Published As

Publication number Publication date
FR2873348A1 (fr) 2006-01-27
US20060093486A1 (en) 2006-05-04
US7192255B2 (en) 2007-03-20

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