IT8119946A0 - Navicella riduttrice di resistenza aerodinamica. - Google Patents
Navicella riduttrice di resistenza aerodinamica.Info
- Publication number
- IT8119946A0 IT8119946A0 IT8119946A IT1994681A IT8119946A0 IT 8119946 A0 IT8119946 A0 IT 8119946A0 IT 8119946 A IT8119946 A IT 8119946A IT 1994681 A IT1994681 A IT 1994681A IT 8119946 A0 IT8119946 A0 IT 8119946A0
- Authority
- IT
- Italy
- Prior art keywords
- aerodynamic drag
- drag reducing
- reducing ship
- ship
- aerodynamic
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
- F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
- F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D29/00—Power-plant nacelles, fairings, or cowlings
- B64D29/02—Power-plant nacelles, fairings, or cowlings associated with wings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/52—Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C2230/00—Boundary layer controls
- B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/10—Drag reduction
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Exhaust Silencers (AREA)
- Jet Pumps And Other Pumps (AREA)
- Control Of Turbines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12677980A | 1980-03-03 | 1980-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8119946A0 true IT8119946A0 (it) | 1981-02-24 |
IT1135607B IT1135607B (it) | 1986-08-27 |
Family
ID=22426613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19946/81A IT1135607B (it) | 1980-03-03 | 1981-02-24 | Navicella riduttrice di resistenza aerodinamica |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS56143330A (it) |
CA (1) | CA1185101A (it) |
DE (1) | DE3107496A1 (it) |
FR (1) | FR2477100B1 (it) |
GB (1) | GB2071769B (it) |
IT (1) | IT1135607B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU555526B2 (en) * | 1982-10-29 | 1986-09-25 | General Electric Company | Aircraft engine nacelle |
FR2916737B1 (fr) * | 2007-06-01 | 2010-05-28 | Airbus France | Ensemble moteur pour aeronef a nacelle coulissante. |
US9181899B2 (en) * | 2008-08-27 | 2015-11-10 | General Electric Company | Variable slope exhaust nozzle |
US9810178B2 (en) | 2015-08-05 | 2017-11-07 | General Electric Company | Exhaust nozzle with non-coplanar and/or non-axisymmetric shape |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1211192A (en) * | 1964-07-01 | 1970-11-04 | Gen Electric | Improvements in low drag exhaust nozzle and nacelle arrangement for turbofan engines |
US3670964A (en) * | 1971-01-18 | 1972-06-20 | Gen Motors Corp | Jet nozzle |
GB1420625A (en) * | 1972-08-10 | 1976-01-07 | Rolls Royce | Pitch varying mechanism for a variable pitch fan or propeller |
US3896615A (en) * | 1973-02-08 | 1975-07-29 | United Aircraft Corp | Gas turbine engine for subsonic flight |
US3881315A (en) * | 1973-03-19 | 1975-05-06 | Gen Electric | Fan duct flow deflector |
CA1020365A (en) * | 1974-02-25 | 1977-11-08 | James E. Johnson | Modulating bypass variable cycle turbofan engine |
DE2512082A1 (de) * | 1974-03-26 | 1975-10-09 | Rolls Royce 1971 Ltd | Gasturbinenstrahltriebwerk |
GB1522558A (en) * | 1976-04-05 | 1978-08-23 | Rolls Royce | Duct linings |
-
1980
- 1980-12-19 CA CA000367228A patent/CA1185101A/en not_active Expired
-
1981
- 1981-02-24 IT IT19946/81A patent/IT1135607B/it active
- 1981-02-25 GB GB8105917A patent/GB2071769B/en not_active Expired
- 1981-02-27 DE DE19813107496 patent/DE3107496A1/de active Granted
- 1981-03-03 FR FR8104167A patent/FR2477100B1/fr not_active Expired
- 1981-03-03 JP JP2945581A patent/JPS56143330A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56143330A (en) | 1981-11-09 |
CA1185101A (en) | 1985-04-09 |
GB2071769B (en) | 1984-08-22 |
FR2477100A1 (fr) | 1981-09-04 |
DE3107496A1 (de) | 1981-12-24 |
GB2071769A (en) | 1981-09-23 |
DE3107496C2 (it) | 1989-12-07 |
JPH0310560B2 (it) | 1991-02-13 |
FR2477100B1 (fr) | 1986-03-21 |
IT1135607B (it) | 1986-08-27 |
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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: 19980225 |