JPH01314696A - プロペラ／ファン・ピッチ・フェザリング装置 - Google Patents
プロペラ／ファン・ピッチ・フェザリング装置Info
- Publication number
- JPH01314696A JPH01314696A JP1031283A JP3128389A JPH01314696A JP H01314696 A JPH01314696 A JP H01314696A JP 1031283 A JP1031283 A JP 1031283A JP 3128389 A JP3128389 A JP 3128389A JP H01314696 A JPH01314696 A JP H01314696A
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- axis
- counterweight
- pitch
- 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.)
- Pending
Links
- 230000008859 change Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims 2
- 239000013598 vector Substances 0.000 description 31
- 210000003746 feather Anatomy 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 102220003852 rs137852209 Human genes 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction 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
- B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
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)
- Transmission Devices (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US196,888 | 1988-05-20 | ||
| US07/196,888 US4913623A (en) | 1985-11-12 | 1988-05-20 | Propeller/fan-pitch feathering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01314696A true JPH01314696A (ja) | 1989-12-19 |
Family
ID=22727161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1031283A Pending JPH01314696A (ja) | 1988-05-20 | 1989-02-13 | プロペラ／ファン・ピッチ・フェザリング装置 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH01314696A (de) |
| DE (1) | DE3906814A1 (de) |
| FR (1) | FR2631603A1 (de) |
| GB (1) | GB2218747B (de) |
| IT (1) | IT1231537B (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015227660A (ja) * | 2014-05-30 | 2015-12-17 | ゼネラル・エレクトリック・カンパニイ | 遠隔のカウンタウェイトを有する可変ピッチロータ |
| US10072510B2 (en) | 2014-11-21 | 2018-09-11 | General Electric Company | Variable pitch fan for gas turbine engine and method of assembling the same |
| US10100653B2 (en) | 2015-10-08 | 2018-10-16 | General Electric Company | Variable pitch fan blade retention system |
| US11674435B2 (en) | 2021-06-29 | 2023-06-13 | General Electric Company | Levered counterweight feathering system |
| US11795964B2 (en) | 2021-07-16 | 2023-10-24 | General Electric Company | Levered counterweight feathering system |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9114894D0 (en) * | 1991-07-10 | 1991-08-28 | Dowty Aerospace Gloucester | A pitch control mechanism |
| FR2928977B1 (fr) * | 2008-03-21 | 2010-04-09 | Snecma | Systeme d'helices contrarotatives disposant d'un dispositif de mise en drapeau des pales d'helices |
| FR2937678B1 (fr) * | 2008-10-23 | 2013-11-22 | Snecma | Dispositif de commande de l'orientation des pales de soufflante d'un turbopropulseur |
| FR2956854B1 (fr) * | 2010-03-01 | 2012-08-17 | Snecma | Dispositif de commande de l'orientation des pales de soufflante d'un turbopropulseur par contrepoids. |
| FR2965021B1 (fr) * | 2010-09-22 | 2015-04-03 | Snecma | Verin hydraulique pour systeme de commande de l'orientation des pales de soufflante d'un turbopropulseur. |
| FR2967397B1 (fr) * | 2010-11-16 | 2012-11-16 | Snecma | Dispositif de passage d'une helice en reverse comportant un actuateur agissant sur un maneton |
| FR3009710B1 (fr) * | 2013-08-14 | 2017-04-14 | Snecma | Rotor pour helice de turbomachine avec dispositif de mise en drapeau des pales de l'helice |
| US9527579B2 (en) * | 2013-10-25 | 2016-12-27 | Hamilton Sundstrand Corporation | Pivoting blade counterweight |
| US9869190B2 (en) * | 2014-05-30 | 2018-01-16 | General Electric Company | Variable-pitch rotor with remote counterweights |
| US11505306B2 (en) | 2021-04-05 | 2022-11-22 | General Electric Company | Variable pitch fan assembly with remote counterweights |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB293307A (en) * | 1927-07-02 | 1929-12-30 | Robert Richard Gobereau | Propellers with automatically variable pitch |
| US2306096A (en) * | 1938-11-05 | 1942-12-22 | Edwin W Vose | Aircraft propeller |
| NL8303401A (nl) * | 1982-11-01 | 1984-06-01 | Gen Electric | Aandrijfturbine voor tegengesteld draaiende propellers. |
| US4657484A (en) * | 1984-09-04 | 1987-04-14 | General Electric Company | Blade pitch varying means |
| US4621978A (en) * | 1984-12-03 | 1986-11-11 | General Electric Company | Counterrotating power turbine |
| CA1262409A (en) * | 1985-05-01 | 1989-10-24 | Kenneth Odell Johnson | Counter rotation power turbine |
| GB2182727B (en) * | 1985-11-12 | 1989-09-27 | Gen Electric | Propeller/fan pitch feathering apparatus |
| US4772180A (en) * | 1986-08-29 | 1988-09-20 | General Electric Company | Aircraft thrust control |
-
1989
- 1989-02-03 GB GB8902397A patent/GB2218747B/en not_active Expired - Fee Related
- 1989-02-13 JP JP1031283A patent/JPH01314696A/ja active Pending
- 1989-02-15 FR FR8901959A patent/FR2631603A1/fr active Pending
- 1989-02-17 IT IT8919482A patent/IT1231537B/it active
- 1989-03-03 DE DE3906814A patent/DE3906814A1/de not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015227660A (ja) * | 2014-05-30 | 2015-12-17 | ゼネラル・エレクトリック・カンパニイ | 遠隔のカウンタウェイトを有する可変ピッチロータ |
| US10072510B2 (en) | 2014-11-21 | 2018-09-11 | General Electric Company | Variable pitch fan for gas turbine engine and method of assembling the same |
| US10100653B2 (en) | 2015-10-08 | 2018-10-16 | General Electric Company | Variable pitch fan blade retention system |
| US11674435B2 (en) | 2021-06-29 | 2023-06-13 | General Electric Company | Levered counterweight feathering system |
| US11795964B2 (en) | 2021-07-16 | 2023-10-24 | General Electric Company | Levered counterweight feathering system |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1231537B (it) | 1991-12-17 |
| DE3906814A1 (de) | 1989-11-30 |
| GB2218747B (en) | 1993-01-27 |
| IT8919482A0 (it) | 1989-02-17 |
| GB8902397D0 (en) | 1989-03-22 |
| GB2218747A (en) | 1989-11-22 |
| FR2631603A1 (fr) | 1989-11-24 |
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