FR2153180A1 - - Google Patents
Info
- Publication number
- FR2153180A1 FR2153180A1 FR7134296A FR7134296A FR2153180A1 FR 2153180 A1 FR2153180 A1 FR 2153180A1 FR 7134296 A FR7134296 A FR 7134296A FR 7134296 A FR7134296 A FR 7134296A FR 2153180 A1 FR2153180 A1 FR 2153180A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
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- 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
- F02K1/28—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow
- F02K1/34—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow for attenuating noise
-
- 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
- F02K1/40—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet
- F02K1/42—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet the means being movable into an inoperative position
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- 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
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Exhaust Silencers (AREA)
- Vibration Prevention Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7134296A FR2153180B1 (fr) | 1971-09-23 | 1971-09-23 | |
GB4230872A GB1364007A (en) | 1971-09-23 | 1972-09-12 | Method and device for attenuating the noise emitted by jet engine nozzles |
US00291177A US3820626A (en) | 1971-09-23 | 1972-09-22 | Method of and device for attenuating the noise produced by a jet engine nozzle |
DE2246483A DE2246483C3 (de) | 1971-09-23 | 1972-09-22 | Verfahren zum Dämpfen des Geräusches der Schubdüse eines Strahltriebwerkes eines Luftfahrzeuges |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7134296A FR2153180B1 (fr) | 1971-09-23 | 1971-09-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2153180A1 true FR2153180A1 (fr) | 1973-05-04 |
FR2153180B1 FR2153180B1 (fr) | 1975-02-07 |
Family
ID=9083380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7134296A Expired FR2153180B1 (fr) | 1971-09-23 | 1971-09-23 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3820626A (fr) |
DE (1) | DE2246483C3 (fr) |
FR (1) | FR2153180B1 (fr) |
GB (1) | GB1364007A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2242568B2 (fr) * | 1973-08-31 | 1976-10-01 | Snecma | |
US3964569A (en) * | 1974-09-06 | 1976-06-22 | General Electric Company | Gas turbine engine noise shield |
US3964568A (en) * | 1974-09-06 | 1976-06-22 | General Electric Company | Gas turbine engine noise shield |
DE3940381A1 (de) * | 1989-12-06 | 1991-06-13 | Pks Engineering | Heissgaskanal sowie verschlusselement |
US5422443A (en) * | 1991-10-18 | 1995-06-06 | Hughes Missile Systems Company | Rocket exhaust disrupter shapes |
US5463866A (en) * | 1993-12-30 | 1995-11-07 | The Boeing Company | Supersonic jet engine installation and method with sound suppressing nozzle |
US6505706B2 (en) | 2001-06-14 | 2003-01-14 | Pratt & Whitney Canada Corp. | Exhaust flow guide for jet noise reduction |
GB2491599A (en) * | 2011-06-07 | 2012-12-12 | Levolux At Ltd | Acoustic damping louvre suitable for direct mounting to the exterior of a building |
US9951690B2 (en) | 2014-08-19 | 2018-04-24 | Pratt & Whitney Canada Corp. | Low noise aeroengine inlet system |
US10054050B2 (en) | 2014-08-19 | 2018-08-21 | Pratt & Whitney Canada Corp. | Low noise aeroengine inlet system |
US9957889B2 (en) * | 2014-08-19 | 2018-05-01 | Pratt & Whitney Canada Corp. | Low noise aeroengine inlet system |
US10221764B2 (en) | 2014-08-19 | 2019-03-05 | Pratt & Whitney Canada Corp. | Variable geometry inlet system |
-
1971
- 1971-09-23 FR FR7134296A patent/FR2153180B1/fr not_active Expired
-
1972
- 1972-09-12 GB GB4230872A patent/GB1364007A/en not_active Expired
- 1972-09-22 US US00291177A patent/US3820626A/en not_active Expired - Lifetime
- 1972-09-22 DE DE2246483A patent/DE2246483C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1364007A (en) | 1974-08-21 |
DE2246483A1 (de) | 1973-03-29 |
FR2153180B1 (fr) | 1975-02-07 |
DE2246483C3 (de) | 1979-05-17 |
DE2246483B2 (de) | 1978-08-31 |
US3820626A (en) | 1974-06-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |