DE3761646D1 - Luftschrauben, insbesondere fuer flugzeugvortriebsmittel. - Google Patents
Luftschrauben, insbesondere fuer flugzeugvortriebsmittel.Info
- Publication number
- DE3761646D1 DE3761646D1 DE8787402333T DE3761646T DE3761646D1 DE 3761646 D1 DE3761646 D1 DE 3761646D1 DE 8787402333 T DE8787402333 T DE 8787402333T DE 3761646 T DE3761646 T DE 3761646T DE 3761646 D1 DE3761646 D1 DE 3761646D1
- Authority
- DE
- Germany
- Prior art keywords
- aircraft drives
- propeller screws
- propeller
- screws
- aircraft
- 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
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
- B64C11/14—Spinners
-
- 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
- B64C11/18—Aerodynamic features
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8614826A FR2605588B1 (fr) | 1986-10-24 | 1986-10-24 | Perfectionnements apportes aux helices aeriennes, notamment pour propulseurs d'aeronef |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3761646D1 true DE3761646D1 (de) | 1990-03-15 |
Family
ID=9340174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787402333T Expired - Lifetime DE3761646D1 (de) | 1986-10-24 | 1987-10-19 | Luftschrauben, insbesondere fuer flugzeugvortriebsmittel. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4790724A (de) |
EP (1) | EP0265335B1 (de) |
DE (1) | DE3761646D1 (de) |
FR (1) | FR2605588B1 (de) |
SU (1) | SU1711664A3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4941803A (en) * | 1989-02-01 | 1990-07-17 | United Technologies Corporation | Airfoiled blade |
US5114313A (en) * | 1990-04-10 | 1992-05-19 | 501 Michigan Wheel Corp. | Base vented subcavitating marine propeller |
US5597138A (en) * | 1991-09-30 | 1997-01-28 | Arlton; Paul E. | Yaw control and stabilization system for helicopters |
US6071077A (en) * | 1996-04-09 | 2000-06-06 | Rolls-Royce Plc | Swept fan blade |
US5749540A (en) * | 1996-07-26 | 1998-05-12 | Arlton; Paul E. | System for controlling and automatically stabilizing the rotational motion of a rotary wing aircraft |
US20110158808A1 (en) * | 2009-12-29 | 2011-06-30 | Hamilton Sundstrand Corporation | Method for propeller blade root flow control by airflow through spinner |
CA3214651A1 (en) * | 2021-03-22 | 2022-09-29 | Athule Aero Technologies, Inc. | Propeller with unloaded tip zone and method |
CN113022849B (zh) * | 2021-05-28 | 2024-02-06 | 北京三快在线科技有限公司 | 螺旋桨及旋翼飞行器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1658438A (en) * | 1925-08-13 | 1928-02-07 | Hall Charles Ward | Propeller |
FR684161A (fr) * | 1929-01-04 | 1930-06-23 | Belge Const Aeronautiques | Hélice |
US1929690A (en) * | 1930-11-13 | 1933-10-10 | Charles B Huntman | Aircraft propulsion |
US2043736A (en) * | 1935-02-07 | 1936-06-09 | Hartzell Industries | Ventilating fan |
US3972646A (en) * | 1974-04-12 | 1976-08-03 | Bolt Beranek And Newman, Inc. | Propeller blade structures and methods particularly adapted for marine ducted reversible thrusters and the like for minimizing cavitation and related noise |
FR2315001A1 (fr) * | 1975-06-18 | 1977-01-14 | Entat Marcel | Procede de realisation de pales d'helices et pales d'helices perfectionnees obtenues par la mise en oeuvre de ce procede |
US4171183A (en) * | 1976-09-24 | 1979-10-16 | United Technologies Corporation | Multi-bladed, high speed prop-fan |
US4358246A (en) * | 1979-07-16 | 1982-11-09 | United Technologies Corporation | Noise reduction means for prop-fan and the construction thereof |
US4370097A (en) * | 1979-07-16 | 1983-01-25 | United Technologies Corporation | Noise reduction means for prop-fan |
CA1270802A (en) * | 1985-02-07 | 1990-06-26 | Edward A. Rothman | Prop-fan with improved stability |
-
1986
- 1986-10-24 FR FR8614826A patent/FR2605588B1/fr not_active Expired
-
1987
- 1987-10-07 US US07/105,210 patent/US4790724A/en not_active Expired - Fee Related
- 1987-10-19 DE DE8787402333T patent/DE3761646D1/de not_active Expired - Lifetime
- 1987-10-19 EP EP87402333A patent/EP0265335B1/de not_active Expired - Lifetime
- 1987-10-22 SU SU874203534A patent/SU1711664A3/ru active
Also Published As
Publication number | Publication date |
---|---|
EP0265335A1 (de) | 1988-04-27 |
FR2605588A1 (fr) | 1988-04-29 |
FR2605588B1 (fr) | 1989-04-28 |
SU1711664A3 (ru) | 1992-02-07 |
US4790724A (en) | 1988-12-13 |
EP0265335B1 (de) | 1990-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |