DE2738888C2 - - Google Patents
Info
- Publication number
- DE2738888C2 DE2738888C2 DE19772738888 DE2738888A DE2738888C2 DE 2738888 C2 DE2738888 C2 DE 2738888C2 DE 19772738888 DE19772738888 DE 19772738888 DE 2738888 A DE2738888 A DE 2738888A DE 2738888 C2 DE2738888 C2 DE 2738888C2
- Authority
- DE
- Germany
- Prior art keywords
- rotor blade
- spar
- core
- firmly connected
- planking
- 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
Links
- 239000002131 composite material Substances 0.000 claims description 20
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 238000005253 cladding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000004026 adhesive bonding Methods 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012549 training Methods 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
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C2027/4733—Rotor blades substantially made from particular materials
- B64C2027/4736—Rotor blades substantially made from particular materials from composite materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Wind Motors (AREA)
- Toys (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71854376A | 1976-08-30 | 1976-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2738888A1 DE2738888A1 (de) | 1978-03-09 |
| DE2738888C2 true DE2738888C2 (enrdf_load_stackoverflow) | 1987-10-01 |
Family
ID=24886466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772738888 Granted DE2738888A1 (de) | 1976-08-30 | 1977-08-29 | Zusammengesetzte aerodynamische rotorblatteinheit |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS61295198A (enrdf_load_stackoverflow) |
| DE (1) | DE2738888A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2362751A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1585130A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU568381B2 (en) * | 1983-07-01 | 1987-12-24 | Ladney, M. Jr. | Rear air-foil |
| GB8609355D0 (en) * | 1986-04-17 | 1986-09-17 | Westland Plc | Erosion shields for aerofoil surfaces |
| JPH03104799A (ja) * | 1989-09-20 | 1991-05-01 | Fuji Heavy Ind Ltd | 複合材ブレードの製造方法 |
| US5520532A (en) * | 1994-08-01 | 1996-05-28 | United Technologies Corporation | Molding assembly for forming airfoil structures |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB740106A (en) * | 1954-05-03 | 1955-11-09 | United Aircraft Corp | Improvements in or relating to rotor blades for rotary wing aircraft |
| US3237697A (en) * | 1963-02-11 | 1966-03-01 | Boeing Co | Helicopter rotor blade |
| US3333642A (en) * | 1965-07-26 | 1967-08-01 | United Aircraft Corp | Helicopter blade or blade spar construction |
| US3356153A (en) * | 1966-08-19 | 1967-12-05 | Schramm | Rotor blade |
-
1977
- 1977-08-24 GB GB3556977A patent/GB1585130A/en not_active Expired
- 1977-08-29 DE DE19772738888 patent/DE2738888A1/de active Granted
- 1977-08-30 FR FR7726322A patent/FR2362751A1/fr active Granted
-
1986
- 1986-05-20 JP JP11603786A patent/JPS61295198A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1585130A (en) | 1981-02-25 |
| FR2362751A1 (fr) | 1978-03-24 |
| DE2738888A1 (de) | 1978-03-09 |
| FR2362751B1 (enrdf_load_stackoverflow) | 1983-04-29 |
| JPS6218400B2 (enrdf_load_stackoverflow) | 1987-04-22 |
| JPS61295198A (ja) | 1986-12-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: PRINZ, E., DIPL.-ING. LEISER, G., DIPL.-ING. SCHWE |
|
| 8181 | Inventor (new situation) |
Free format text: SCARPATI, THOMAS S., MT.LAUREL, N.J., US FORD, ROBERT J., BROMALL, PA., US |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |