DE3736141C2 - - Google Patents
Info
- Publication number
- DE3736141C2 DE3736141C2 DE19873736141 DE3736141A DE3736141C2 DE 3736141 C2 DE3736141 C2 DE 3736141C2 DE 19873736141 DE19873736141 DE 19873736141 DE 3736141 A DE3736141 A DE 3736141A DE 3736141 C2 DE3736141 C2 DE 3736141C2
- Authority
- DE
- Germany
- Prior art keywords
- propeller
- propellers
- pitch angle
- noise
- blade
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873736141 DE3736141A1 (de) | 1987-10-26 | 1987-10-26 | Flugzeugpropeller |
| FR8813326A FR2622170A1 (fr) | 1987-10-26 | 1988-10-11 | Helice d'avion |
| GB8824940A GB2211558B (en) | 1987-10-26 | 1988-10-25 | Propeller |
| US07/550,379 US5066195A (en) | 1987-10-26 | 1990-07-10 | Propeller for aircraft or the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873736141 DE3736141A1 (de) | 1987-10-26 | 1987-10-26 | Flugzeugpropeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3736141A1 DE3736141A1 (de) | 1989-05-11 |
| DE3736141C2 true DE3736141C2 (enExample) | 1989-09-28 |
Family
ID=6339065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873736141 Granted DE3736141A1 (de) | 1987-10-26 | 1987-10-26 | Flugzeugpropeller |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3736141A1 (enExample) |
| FR (1) | FR2622170A1 (enExample) |
| GB (1) | GB2211558B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096383A (en) * | 1989-11-02 | 1992-03-17 | Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. | Propeller blades |
| DE4040411A1 (de) * | 1990-12-18 | 1991-05-23 | Lothar Behrendt | Mehrebenen - spindelpropeller als luftschraube fuer flugzeugantrieb und als antrieb fuer windkraftwerke |
| FR2699497B1 (fr) * | 1992-12-23 | 1995-03-10 | Eurocopter France | Dispositif de liaison pale-moyeu à attache feuilletée, pale de rotor munie d'une telle attache, et rotor équipé de telles pales. |
| FR2719550B1 (fr) * | 1994-05-04 | 1996-07-26 | Eurocopter France | Dispositif anti-couple à rotor et stator redresseur carénés, et modulation de phase des pales du rotor, pour hélicoptère. |
| FR2719549B1 (fr) * | 1994-05-04 | 1996-07-26 | Eurocopter France | Dispositif anti-couple à rotor caréné et modulation de phase des pales, pour hélicoptère. |
| FR2719551B1 (fr) | 1994-05-04 | 1996-07-12 | Eurocopter France | Dispositif anti-couple à rotor et stator redresseur carénés, et à aubes redresseuses inclinées. |
| NL1014719C2 (nl) * | 2000-03-22 | 2001-09-25 | Aerpac Holding B V | Windturbine met asymmetrische rotor en rotor. |
| DE10305352A1 (de) * | 2003-02-10 | 2004-09-02 | Rolls-Royce Deutschland Ltd & Co Kg | Turbopropantrieb mit mitläufigem Zweistufenhochleistungspropeller |
| WO2019099293A1 (en) * | 2017-11-09 | 2019-05-23 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Aero/hydro-dynamically balanced passively varying pitch propeller |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB200886A (en) * | 1922-04-18 | 1923-07-18 | Ernest Roy Mitton | Improvements in helicopters |
| GB257965A (en) * | 1925-04-01 | 1926-09-16 | Stone J & Co Ltd | Improvements in and connected with regenerative propellers for marine and aerial propulsion |
| GB264511A (en) * | 1926-01-12 | 1927-07-14 | Inst Voor Aero En Hydro Dynomi | An improved arrangement for facilitating the starting of flow motors |
| GB257956A (en) * | 1926-09-06 | 1927-11-24 | Ernst Otto Scheidt | Process and apparatus for sterilising clear and turbid liquids by means of ultra-violet rays |
| GB382297A (en) * | 1931-07-21 | 1932-10-21 | Franz Melcher | Improvements in and relating to counter-running double or multiple propellers in media of all kinds |
| GB433889A (en) * | 1933-11-30 | 1935-08-22 | Jacintho Falcao De Vasconcello | Air pump |
| GB521868A (en) * | 1938-11-29 | 1940-06-03 | Napier & Son Ltd | Improvements in or relating to propelling or impelling apparatus of the axial flow type |
| GB566686A (en) * | 1943-12-29 | 1945-01-09 | Henry Withers Kickweed Jenning | Improvements relating to propeller fans |
| GB872687A (en) * | 1958-12-19 | 1961-07-12 | United Aircraft Corp | Improvements relating to propellers |
| NL7202641A (enExample) * | 1971-12-20 | 1972-05-25 | ||
| GB2066370B (en) * | 1979-12-11 | 1983-09-14 | Levine E M | Rotational wake reaction synergetic staging for axial flow foils |
| DE3347679C2 (de) * | 1983-12-31 | 1985-11-14 | Sita Bauelemente Gmbh, 2080 Pinneberg | Doppelpropeller |
| DE3626975A1 (de) * | 1986-08-08 | 1988-02-11 | Porsche Ag | Propeller fuer flugzeuge |
| DE3716326A1 (de) * | 1987-05-15 | 1988-12-01 | Schempp Hirth Gmbh & Co Kg | Propeller |
-
1987
- 1987-10-26 DE DE19873736141 patent/DE3736141A1/de active Granted
-
1988
- 1988-10-11 FR FR8813326A patent/FR2622170A1/fr not_active Withdrawn
- 1988-10-25 GB GB8824940A patent/GB2211558B/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2622170A1 (fr) | 1989-04-28 |
| GB2211558B (en) | 1992-07-08 |
| GB8824940D0 (en) | 1988-11-30 |
| GB2211558A (en) | 1989-07-05 |
| DE3736141A1 (de) | 1989-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: DEUTSCHE FORSCHUNGSANSTALT FUER LUFT- UND RAUMFAHR |
|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: DEUTSCHES ZENTRUM FUER LUFT- UND RAUMFAHRT E.V., 5 |
|
| 8339 | Ceased/non-payment of the annual fee |