DE2214262A1 - Drehflügelanordnung - Google Patents
DrehflügelanordnungInfo
- Publication number
- DE2214262A1 DE2214262A1 DE19722214262 DE2214262A DE2214262A1 DE 2214262 A1 DE2214262 A1 DE 2214262A1 DE 19722214262 DE19722214262 DE 19722214262 DE 2214262 A DE2214262 A DE 2214262A DE 2214262 A1 DE2214262 A1 DE 2214262A1
- Authority
- DE
- Germany
- Prior art keywords
- spar
- rotor
- modulus
- sleeve
- arrangement according
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 239000012783 reinforcing fiber Substances 0.000 claims 2
- 239000002131 composite material Substances 0.000 description 9
- 239000000945 filler Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 241000596926 Sparaxis Species 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003733 fiber-reinforced composite Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YTCZZXIRLARSET-VJRSQJMHSA-M beraprost sodium Chemical compound [Na+].O([C@H]1C[C@@H](O)[C@@H]([C@@H]21)/C=C/[C@@H](O)C(C)CC#CC)C1=C2C=CC=C1CCCC([O-])=O YTCZZXIRLARSET-VJRSQJMHSA-M 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000011208 reinforced composite material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/33—Rotors having flexing arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13245971A | 1971-04-08 | 1971-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2214262A1 true DE2214262A1 (de) | 1972-10-19 |
Family
ID=22454151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722214262 Pending DE2214262A1 (de) | 1971-04-08 | 1972-03-23 | Drehflügelanordnung |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA951301A (enrdf_load_stackoverflow) |
| DE (1) | DE2214262A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2132864B1 (enrdf_load_stackoverflow) |
| IT (1) | IT950949B (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2502004A1 (de) * | 1974-04-08 | 1975-10-16 | United Aircraft Corp | Rotorblatt fuer gelenklosen rotor |
| DE102007013291A1 (de) * | 2007-03-16 | 2008-09-18 | Eurocopter Deutschland Gmbh | Rotorblatt für einen lagerlosen Rotor eines Drehflügelflugzeugs |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2310920A1 (fr) * | 1975-05-14 | 1976-12-10 | Aerospatiale | Agencement de rotor pour aeronef a voilure tournante |
| US4093400A (en) * | 1976-12-15 | 1978-06-06 | United Technologies Corporation | Cross beam rotor |
| FR2430354A1 (fr) * | 1978-07-07 | 1980-02-01 | Aerospatiale | Helice multipale a pas variable d'un type simplifie |
| US4244677A (en) * | 1978-07-12 | 1981-01-13 | United Technologies Corporation | Cross-beam helicopter rotor with readily replaceable snubber |
| US4366387A (en) * | 1979-05-10 | 1982-12-28 | Carter Wind Power | Wind-driven generator apparatus and method of making blade supports _therefor |
| US4332525A (en) * | 1979-12-03 | 1982-06-01 | United Technologies Corporation | Matched stiffness rotor flexbeam and blade system |
| US4304694A (en) | 1979-12-03 | 1981-12-08 | United Technologies Corporation | High damping epoxy resin composite |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484174A (en) * | 1968-04-08 | 1969-12-16 | Kaman Corp | Rotary wing system |
-
1971
- 1971-11-10 CA CA127,408,A patent/CA951301A/en not_active Expired
-
1972
- 1972-03-23 DE DE19722214262 patent/DE2214262A1/de active Pending
- 1972-03-31 IT IT2266172A patent/IT950949B/it active
- 1972-04-07 FR FR7212703A patent/FR2132864B1/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2502004A1 (de) * | 1974-04-08 | 1975-10-16 | United Aircraft Corp | Rotorblatt fuer gelenklosen rotor |
| DE102007013291A1 (de) * | 2007-03-16 | 2008-09-18 | Eurocopter Deutschland Gmbh | Rotorblatt für einen lagerlosen Rotor eines Drehflügelflugzeugs |
| DE102007013291B4 (de) * | 2007-03-16 | 2010-04-15 | Eurocopter Deutschland Gmbh | Rotorblatt für einen lagerlosen Rotor eines Drehflügelflugzeugs |
| US8128367B2 (en) | 2007-03-16 | 2012-03-06 | Eurocopter Deutschland Gmbh | Rotor blade for a bearingless rotor of a rotorcraft |
Also Published As
| Publication number | Publication date |
|---|---|
| IT950949B (it) | 1973-06-20 |
| FR2132864A1 (enrdf_load_stackoverflow) | 1972-11-24 |
| CA951301A (en) | 1974-07-16 |
| FR2132864B1 (enrdf_load_stackoverflow) | 1977-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2903524C2 (de) | Schlag- und schwenkgelenkloser Anschluß von Rotorblättern eines Drehflügelflugzeuges | |
| DE3879287T2 (de) | Fvk-blatt und sein herstellungsverfahren. | |
| DE2922469C2 (de) | Rotor für ein Drehflügelflugzeug | |
| DE69404463T2 (de) | Biegeplatte eines lagerlosen hauptrotoraggregats eines hubschraubers | |
| DE69506450T2 (de) | Hybrid-biegeplatte aus verbundwerkstoff für einen gelenklosen hauptrotor eines hubschraubers | |
| DE2451860A1 (de) | Rotorblatt aus kunststoffmaterial | |
| EP0034210B1 (de) | Rotor eines Drehflügelflugzeugs | |
| DE2421764A1 (de) | Rotor fuer drehfluegel-flugzeuge | |
| CH652980A5 (de) | Hubschrauberrotorblatt. | |
| DE2755557A1 (de) | Hubschrauberrotor | |
| DE2541637B2 (de) | Heckrotor für Drehflügelflugzeuge | |
| DE2441555B2 (de) | Leichtes Steuerschwungrad | |
| DE2545929C2 (de) | AnscMuBelement zur Einleitung von Kräften in ein Bauteil | |
| DE69018250T2 (de) | Rotorblatt. | |
| EP0019041A1 (de) | Gelenkeloser Rotor | |
| DE2552123A1 (de) | Hubschrauberrotor mit trimmstreifen zum ausgleichen der dynamischen ungleichheit des blattverstellmomentes sowie verfahren zum ausgleichen derselben | |
| DE2645174C2 (de) | Rotorkopf für einen schlag- und schwenkgelenklosen Rotor | |
| DE2214262A1 (de) | Drehflügelanordnung | |
| EP0019047B1 (de) | Schlag-, schwenk- und blattverstellgelenkloser Mehrblattrotor für ein Drehflügelflugzeug | |
| DE2712706C2 (de) | Rotor eines Drehflügelflugzeugs | |
| DE3879744T2 (de) | Biegeplatte für den Rotor eines Hubschraubers. | |
| EP0166425B1 (de) | Schraube für gasförmige oder flüssige Medien, insbesondere Luftschraube | |
| DE2733101C3 (de) | Schlag- und schwenkgelenklose Rotorblattlagerung | |
| DE2806119B2 (de) | Rotorblatt, insbesondere für Drehflügelflugzeuge | |
| EP0085129A1 (de) | Rotor, insbesondere eines Drehflügelflugzeugs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |