IT8422386A0 - PROPULSION SYSTEM FOR AIRPLANE. - Google Patents
PROPULSION SYSTEM FOR AIRPLANE.Info
- Publication number
- IT8422386A0 IT8422386A0 IT8422386A IT2238684A IT8422386A0 IT 8422386 A0 IT8422386 A0 IT 8422386A0 IT 8422386 A IT8422386 A IT 8422386A IT 2238684 A IT2238684 A IT 2238684A IT 8422386 A0 IT8422386 A0 IT 8422386A0
- Authority
- IT
- Italy
- Prior art keywords
- airplane
- propulsion system
- propulsion
- Prior art date
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
- B64C11/30—Blade pitch-changing mechanisms
- B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Vehicle Body Suspensions (AREA)
- Soil Working Implements (AREA)
- Vending Machines For Individual Products (AREA)
- Retarders (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52714183A | 1983-08-29 | 1983-08-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8422386A0 true IT8422386A0 (en) | 1984-08-22 |
IT1176626B IT1176626B (en) | 1987-08-18 |
Family
ID=24100264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22386/84A IT1176626B (en) | 1983-08-29 | 1984-08-22 | PROPULSION PROPELLER SYSTEM FOR AIRPLANE |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS6085202A (en) |
CA (1) | CA1258846A (en) |
DE (1) | DE3431165A1 (en) |
FR (1) | FR2551023B1 (en) |
GB (1) | GB2145777B (en) |
IT (1) | IT1176626B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4563129A (en) * | 1983-12-08 | 1986-01-07 | United Technologies Corporation | Integrated reduction gear and counterrotation propeller |
GB2173863B (en) * | 1985-04-17 | 1989-07-19 | Rolls Royce Plc | A propeller module for an aero gas turbine engine |
GB8517474D0 (en) * | 1985-07-10 | 1985-08-14 | Dowty Rotol Ltd | Variable-pitch bladed rotors |
GB2180892B (en) * | 1985-09-28 | 1990-03-07 | Dowty Rotol Ltd | A control system for a bladed rotor assembly |
GB2182397B (en) * | 1985-11-02 | 1989-10-04 | Rolls Royce Plc | Propeller module for an aero gas turbine engine |
GB2186918B (en) * | 1986-02-25 | 1989-11-15 | Rolls Royce | Propeller module for an aero gas turbine engine |
US4767270A (en) * | 1986-04-16 | 1988-08-30 | The Boeing Company | Hoop fan jet engine |
US4718823A (en) * | 1987-02-24 | 1988-01-12 | United Technologies Corporation | Pitch changing mechanism for fan blades |
GB2209575A (en) * | 1987-09-05 | 1989-05-17 | Rolls Royce Plc | A gearbox arrangement for driving contra-rotating multi-bladed rotors |
US4936746A (en) * | 1988-10-18 | 1990-06-26 | United Technologies Corporation | Counter-rotation pitch change system |
US4948339A (en) * | 1989-01-23 | 1990-08-14 | General Electric Company | Propeller blade counterweight |
GB0712561D0 (en) * | 2007-06-28 | 2007-08-08 | Rolls Royce Plc | A blade mounting |
JP4590028B2 (en) | 2008-11-18 | 2010-12-01 | 株式会社エーシーシー | Vehicle height adjustment suspension |
FR2945512B1 (en) * | 2009-05-15 | 2012-08-24 | Snecma | NON-CAREED PROPELLER HAVING A VARIABLE SHAFT FOR A TURBOMACHINE |
FR2955085B1 (en) * | 2010-01-08 | 2011-12-23 | Snecma | SYSTEM FOR CONTRAROTATIVE PROPELLERS FOR AIRCRAFT TURBOMACHINE |
FR2956378B1 (en) * | 2010-02-15 | 2012-05-11 | Snecma | TURBOPROPULSER WITH A PULSE ORIENTATION DEVICE |
US8757972B2 (en) * | 2011-08-12 | 2014-06-24 | Hamilton Sundstrand Corporation | De-icing system for modular counter rotating propeller |
FR2980770B1 (en) | 2011-10-03 | 2014-06-27 | Snecma | AIRBORNE TURBINE ENGINE (S) FOR AIRCRAFT WITH SYSTEM FOR CHANGING THE PROPELLER STEP. |
FR3005096B1 (en) * | 2013-04-29 | 2018-01-19 | Safran Aircraft Engines | SYSTEM FOR CONTROLLING THE PITCH OF THE BLADES OF A TURBOMACHINE PROPELLER AND A PROPELLER TURBOMACHINE FOR AN AIRCRAFT WITH SUCH A SYSTEM |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR335422A (en) * | 1903-09-19 | 1904-01-25 | Wassilly Lomoff | Valve for automatic compressed fluid or vacuum brakes, or other installations operated by pressurized fluids as well as for water, oil, gas or other conduits circulating fluids under positive or negative pressure |
US1434620A (en) * | 1917-06-16 | 1922-11-07 | Packard Motor Car Co | Gear-driving mechanism |
GB398823A (en) * | 1931-12-21 | 1933-09-21 | Eduard Seppeler | Variable pitch screw propeller |
CH223498A (en) * | 1941-06-11 | 1942-09-30 | Piccolin Stefano | Supporting structure. |
US2425938A (en) * | 1943-09-15 | 1947-08-19 | Walter S Hoover | Circulating ball race propeller blade bearing |
FR994019A (en) * | 1944-12-06 | 1951-11-09 | Cie Gen Equip Aeronautique | Coaxial propellers with independent pitch control |
US2492653A (en) * | 1946-04-11 | 1949-12-27 | Bendix Aviat Corp | Air propeller |
FR1005734A (en) * | 1947-09-15 | 1952-04-15 | Snecma | Aircraft propeller machine |
US2765040A (en) * | 1953-09-28 | 1956-10-02 | Kermit L Darrah | Counter-rotating propeller drive |
US2948343A (en) * | 1953-12-04 | 1960-08-09 | Gen Motors Corp | Propeller mechanism |
DE1428075A1 (en) * | 1962-12-21 | 1969-02-06 | Dingler Werke Ag | Device for mechanical blade adjustment in axial flow machines, in particular axial blowers |
US3163231A (en) * | 1963-04-29 | 1964-12-29 | United Aircraft Corp | Two-part pitch changing mechanism |
US3463237A (en) * | 1967-04-17 | 1969-08-26 | United Aircraft Corp | Seal |
GB1309753A (en) * | 1969-07-24 | 1973-03-14 | Stone Manganese Marine Ltd | Transverse propulsion units for ships |
DE2307656C3 (en) * | 1973-02-16 | 1979-01-04 | Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen | Device for adjusting the fan blades of an impeller for turbine jet engines |
US3873236A (en) * | 1973-12-26 | 1975-03-25 | Gen Electric | Fan with variable pitch blades and translating bearing actuation system |
AT358398B (en) * | 1977-09-19 | 1980-09-10 | Culk Raimund | ADJUSTING SCREW |
-
1984
- 1984-08-13 GB GB08420500A patent/GB2145777B/en not_active Expired
- 1984-08-22 FR FR848413062A patent/FR2551023B1/en not_active Expired - Fee Related
- 1984-08-22 IT IT22386/84A patent/IT1176626B/en active
- 1984-08-23 CA CA000461636A patent/CA1258846A/en not_active Expired
- 1984-08-23 JP JP59174243A patent/JPS6085202A/en active Pending
- 1984-08-24 DE DE3431165A patent/DE3431165A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
FR2551023A1 (en) | 1985-03-01 |
FR2551023B1 (en) | 1992-01-24 |
IT1176626B (en) | 1987-08-18 |
GB2145777B (en) | 1987-07-22 |
DE3431165A1 (en) | 1985-03-14 |
JPS6085202A (en) | 1985-05-14 |
CA1258846A (en) | 1989-08-29 |
GB2145777A (en) | 1985-04-03 |
GB8420500D0 (en) | 1984-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950829 |