FR2984848B1 - Pale d'helice avec caissons et longerons de renfort et helice comprenant au moins une telle pale - Google Patents
Pale d'helice avec caissons et longerons de renfort et helice comprenant au moins une telle paleInfo
- Publication number
- FR2984848B1 FR2984848B1 FR1104086A FR1104086A FR2984848B1 FR 2984848 B1 FR2984848 B1 FR 2984848B1 FR 1104086 A FR1104086 A FR 1104086A FR 1104086 A FR1104086 A FR 1104086A FR 2984848 B1 FR2984848 B1 FR 2984848B1
- Authority
- FR
- France
- Prior art keywords
- propeller
- blade
- housings
- lengths
- reinforcing
- 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
Links
- 230000003014 reinforcing effect Effects 0.000 title 1
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
-
- 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
- B64C11/16—Blades
- B64C11/20—Constructional features
- B64C11/26—Fabricated blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
-
- 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
- B64C11/16—Blades
- B64C11/20—Constructional features
-
- 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
- B64C11/16—Blades
- B64C11/20—Constructional features
- B64C11/24—Hollow blades
-
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Toys (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
- Confectionery (AREA)
- Catching Or Destruction (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1104086A FR2984848B1 (fr) | 2011-12-23 | 2011-12-23 | Pale d'helice avec caissons et longerons de renfort et helice comprenant au moins une telle pale |
GB1222809.4A GB2498076B (en) | 2011-12-23 | 2012-12-18 | Propeller blade with reinforcing spars and boxes, and propeller comprising at least one such blade |
US13/721,727 US9365285B2 (en) | 2011-12-23 | 2012-12-20 | Propeller blade with reinforcing spars and boxes, and propeller comprising at least one such blade |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1104086A FR2984848B1 (fr) | 2011-12-23 | 2011-12-23 | Pale d'helice avec caissons et longerons de renfort et helice comprenant au moins une telle pale |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2984848A1 FR2984848A1 (fr) | 2013-06-28 |
FR2984848B1 true FR2984848B1 (fr) | 2016-01-15 |
Family
ID=47630933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1104086A Active FR2984848B1 (fr) | 2011-12-23 | 2011-12-23 | Pale d'helice avec caissons et longerons de renfort et helice comprenant au moins une telle pale |
Country Status (3)
Country | Link |
---|---|
US (1) | US9365285B2 (fr) |
FR (1) | FR2984848B1 (fr) |
GB (1) | GB2498076B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3021030B1 (fr) * | 2014-05-14 | 2018-01-05 | Ratier Figeac | Pale a ancrage securise en translation radiale, helice, turbomachine et aeronef |
WO2015183658A1 (fr) * | 2014-05-30 | 2015-12-03 | Sikorsky Aircraft Corporation | Enveloppe de tige structurellement efficace |
GB201414495D0 (en) * | 2014-08-15 | 2014-10-01 | Rolls Royce Plc | Blade |
EP3034783B1 (fr) * | 2014-12-17 | 2019-11-20 | Rolls-Royce Deutschland Ltd & Co KG | Agencement d'aubes d'un turboréacteur ou d'une hélice d'avion et propulseur associé |
GB2535231A (en) * | 2015-02-13 | 2016-08-17 | Reiter Johannes | Propeller for an aircraft for vertical take-off and landing |
CN107472513A (zh) * | 2017-08-21 | 2017-12-15 | 滁州万际航空器产业研究院有限公司 | 一种用于无人直升机的空心桨叶及其制造方法 |
US11346363B2 (en) * | 2018-04-30 | 2022-05-31 | Raytheon Technologies Corporation | Composite airfoil for gas turbine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB871625A (en) * | 1956-11-13 | 1961-06-28 | Parsons Corp | Rotor blade structure and method of molding same |
DE1259560B (de) * | 1962-03-15 | 1968-01-25 | Eugen Haenle | Verfahren und Vorrichtung zum Herstellen von biege- und drehfesten Schalenbauteilen,die aus einer Schalenaussenwand mit inneren Rippen bzw. Gurten aus glasfaserverstaerktem Kunststoff bestehen |
US3586460A (en) * | 1969-05-14 | 1971-06-22 | Us Air Force | Rotor blade variable modulus trailing edge |
US3694104A (en) * | 1970-10-07 | 1972-09-26 | Garrett Corp | Turbomachinery blade |
IT7967327A0 (it) * | 1979-02-15 | 1979-02-15 | Fiat Ricerche | Pala per motori eolici |
FR2542695B1 (fr) * | 1983-03-18 | 1985-07-26 | Aerospatiale | Helice multipale a pas variable a pale s en materiaux composites demontables individuellement, procede de fabrication de telles pales et pales ainsi realisees |
GB2168111B (en) * | 1984-12-08 | 1988-05-18 | Rolls Royce | Rotor aerofoil blade containment |
US4784575A (en) * | 1986-11-19 | 1988-11-15 | General Electric Company | Counterrotating aircraft propulsor blades |
US4833911A (en) * | 1988-07-01 | 1989-05-30 | The Boeing Company | System for measuring aircraft engine thrust |
DE3826378A1 (de) * | 1988-08-03 | 1990-02-08 | Mtu Muenchen Gmbh | Fasertechnische propellerschaufeln |
US5129787A (en) * | 1991-02-13 | 1992-07-14 | United Technologies Corporation | Lightweight propulsor blade with internal spars and rigid base members |
US5330092A (en) * | 1991-12-17 | 1994-07-19 | The Boeing Company | Multiple density sandwich structures and method of fabrication |
US6431837B1 (en) * | 1999-06-01 | 2002-08-13 | Alexander Velicki | Stitched composite fan blade |
US7600978B2 (en) * | 2006-07-27 | 2009-10-13 | Siemens Energy, Inc. | Hollow CMC airfoil with internal stitch |
FR2942277B1 (fr) * | 2009-02-17 | 2015-06-19 | Airbus France | Aube pour recepteur de turbomachine d'aeronef, pourvue de deux ames creuses se succedant selon le squelette |
-
2011
- 2011-12-23 FR FR1104086A patent/FR2984848B1/fr active Active
-
2012
- 2012-12-18 GB GB1222809.4A patent/GB2498076B/en active Active
- 2012-12-20 US US13/721,727 patent/US9365285B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9365285B2 (en) | 2016-06-14 |
GB2498076A (en) | 2013-07-03 |
GB201222809D0 (fr) | 2013-01-30 |
US20130164142A1 (en) | 2013-06-27 |
FR2984848A1 (fr) | 2013-06-28 |
GB2498076B (en) | 2018-02-14 |
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Legal Events
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