BE438569A - - Google Patents
Info
- Publication number
- BE438569A BE438569A BE438569DA BE438569A BE 438569 A BE438569 A BE 438569A BE 438569D A BE438569D A BE 438569DA BE 438569 A BE438569 A BE 438569A
- Authority
- BE
- Belgium
- Prior art keywords
- blade
- propeller
- pitch
- rotation
- moments
- Prior art date
Links
- 230000000694 effects Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000011295 pitch Substances 0.000 claims 13
- 230000003068 static Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000000875 corresponding Effects 0.000 description 9
- 210000002832 Shoulder Anatomy 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 4
- 230000002093 peripheral Effects 0.000 description 4
- 230000002349 favourable Effects 0.000 description 3
- 230000002493 climbing Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001627 detrimental Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000000474 Heel Anatomy 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 210000001331 Nose Anatomy 0.000 description 1
- 241001674048 Phthiraptera Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005591 charge neutralization Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 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
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/32—Blade pitch-changing mechanisms mechanical
- B64C11/34—Blade pitch-changing mechanisms mechanical automatic
- B64C11/343—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on the blades
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE438569A true BE438569A (sv) |
Family
ID=96747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE438569D BE438569A (sv) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE438569A (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2996587A1 (fr) * | 2012-10-10 | 2014-04-11 | Snecma | Helice comportant un systeme de contrepoids pourvu d'un canal d'ecoulement d'air |
-
0
- BE BE438569D patent/BE438569A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2996587A1 (fr) * | 2012-10-10 | 2014-04-11 | Snecma | Helice comportant un systeme de contrepoids pourvu d'un canal d'ecoulement d'air |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0107543B1 (fr) | Agencement de rotor de queue de poussée accrue pour aéronef à voilure tournante | |
CA2914331C (fr) | Rotor arriere de giravion, giravion equipe d'un tel rotor arriere et procede d'equilibrage statique et/ou dynamique d'un rotor arriere de giravion | |
FR2719549A1 (fr) | Dispositif anti-couple à rotor caréné et modulation de phase des pales, pour hélicoptère. | |
FR2946316A1 (fr) | Procede de controle en lacet d'un helicoptere hybride,et helicoptere hybride muni d'un dispositif de commande en lacet apte a mettre en oeuvre ledit procede | |
EP3109155A1 (fr) | Procede de regulation d'une installation motrice trimoteur pour un aeronef a voilure tournante | |
EP3560830B1 (fr) | Giravion muni d'une voilure tournante et d'au moins deux helices, et procede applique par ce giravion | |
EP1939087A1 (fr) | Amélioration aux rotors de giravions équipés d'amortisseurs interpales | |
US2219303A (en) | Propeller | |
FR3025246A1 (fr) | Roue aubagee a calages variables | |
WO2014132002A2 (fr) | Aubage à calage variable | |
EP0121636B1 (fr) | Perfectionnements aux moteurs à vent et aérogénérateurs | |
FR2640227A1 (fr) | Systeme de maintien des ailettes d'une helice | |
BE1023550B1 (fr) | Systeme de plateau cyclique pour rotor d'helicoptere | |
FR3036379A1 (fr) | Drone avec rotor a pas variable | |
FR3005095A1 (fr) | Systeme et procede d'equilibrage radial dynamique de rotor d'helice d'aeronef | |
BE438569A (sv) | ||
WO2016030646A1 (fr) | Roue aubagée à calages variables | |
CA1330788C (fr) | Dispositif de transport et de soulevement de charges pour leur deplacement par propulsion aerienne | |
FR3098788A1 (fr) | Module de turbomachine pour une hélice à calage variable des pales et turbomachine le comportant | |
US2020239A (en) | Variable pitch propeller | |
JP2000510072A (ja) | 海洋推進システム | |
CH272377A (fr) | Aéromoteur. | |
EP2160584B1 (fr) | Outillage de fixation d'un arbre de transmission et banc d'équilibrage comportant un tel outillage | |
BE479299A (sv) | ||
WO1992007189A1 (fr) | Dispositif d'orientation des pales d'un rotor dans un flux transversal de fluide et application de celui-ci |