IT8620279A0 - COUNTER-ROTATION POWER TURBINE. - Google Patents
COUNTER-ROTATION POWER TURBINE.Info
- Publication number
- IT8620279A0 IT8620279A0 IT8620279A IT2027986A IT8620279A0 IT 8620279 A0 IT8620279 A0 IT 8620279A0 IT 8620279 A IT8620279 A IT 8620279A IT 2027986 A IT2027986 A IT 2027986A IT 8620279 A0 IT8620279 A0 IT 8620279A0
- Authority
- IT
- Italy
- Prior art keywords
- counter
- power turbine
- rotation power
- rotation
- turbine
- Prior art date
Links
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title 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
- B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
- B64C11/48—Units of two or more coaxial propellers
-
- 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
- B64C11/308—Blade pitch-changing mechanisms specially adapted for contrarotating propellers automatic
-
- 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
- F02K3/072—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 with counter-rotating, e.g. fan rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
- B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72846685A | 1985-05-01 | 1985-05-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8620279A0 true IT8620279A0 (en) | 1986-04-30 |
IT1208606B IT1208606B (en) | 1989-07-10 |
Family
ID=24926972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8620279A IT1208606B (en) | 1985-05-01 | 1986-04-30 | COUNTER-ROTATION POWER TURBINE. |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPH0681883B2 (en) |
AU (1) | AU589180B2 (en) |
CA (1) | CA1262409A (en) |
DE (1) | DE3614157C2 (en) |
FR (1) | FR2581423B1 (en) |
GB (1) | GB2174762B (en) |
IT (1) | IT1208606B (en) |
NL (1) | NL8601055A (en) |
SE (1) | SE462660B (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3734624A1 (en) * | 1987-10-13 | 1989-05-03 | Kastens Karl | Propeller fan |
DE3812027A1 (en) * | 1988-04-11 | 1989-10-26 | Mtu Muenchen Gmbh | PROPFAN TURBO ENGINE |
US4916892A (en) * | 1988-05-06 | 1990-04-17 | General Electric Company | High pressure seal |
US4976102A (en) * | 1988-05-09 | 1990-12-11 | General Electric Company | Unducted, counterrotating gearless front fan engine |
GB2218747B (en) * | 1988-05-20 | 1993-01-27 | Gen Electric | Propeller/fan pitch feathering apparatus |
DE3818466C1 (en) * | 1988-05-31 | 1989-12-21 | Mtu Muenchen Gmbh | |
DE3837994A1 (en) * | 1988-11-09 | 1990-05-10 | Mtu Muenchen Gmbh | DEVICE FOR ADJUSTING THE ROTOR BLADES OF A PROPFAN / TURBO PROPOWER PLANT |
US5263898A (en) * | 1988-12-14 | 1993-11-23 | General Electric Company | Propeller blade retention system |
US4951461A (en) * | 1989-03-20 | 1990-08-28 | General Electric Company | Power turbine support arrangement |
US5112191A (en) * | 1989-04-11 | 1992-05-12 | General Electric Company | Rotating cowling |
US5082424A (en) * | 1989-06-05 | 1992-01-21 | General Electric Company | Connection system for aircraft propeller blades |
DE3933776A1 (en) * | 1989-10-10 | 1991-04-18 | Mtu Muenchen Gmbh | Prop-fan aircraft engine with contra-rotating fan rotors - has epicyclic gear train to connect turbines to fan rotors |
FR2761412B1 (en) * | 1997-03-27 | 1999-04-30 | Snecma | DOUBLE-BODY TURBOPROPULSOR GROUP WITH ISODROME REGULATION |
US6711887B2 (en) * | 2002-08-19 | 2004-03-30 | General Electric Co. | Aircraft gas turbine engine with tandem non-interdigitated counter rotating low pressure turbines |
FR2864997B1 (en) * | 2004-01-08 | 2006-04-28 | Snecma Moteurs | SEMI-LIEURED TURBINE TURBINE ENGINE HANDLING A PILOT RECEIVER TO KEEP A SUBSTANTIALLY CONSTANT ROTATION SPEED |
DE102008005163B4 (en) | 2008-01-19 | 2009-12-03 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Aircraft engine |
FR2941493B1 (en) * | 2009-01-23 | 2011-08-26 | Snecma | FREE TURBINE TURBINE ENGINE THAT ENABLES AN ELECTRIC POWER GENERATOR |
US8182222B2 (en) | 2009-02-12 | 2012-05-22 | Hamilton Sundstrand Corporation | Thermal protection of rotor blades |
GB201102987D0 (en) * | 2011-02-22 | 2011-04-06 | Rolls Royce Plc | A propfan engine |
RU2482311C1 (en) * | 2011-12-14 | 2013-05-20 | Открытое акционерное общество "Авиадвигатель" | Gas turbine engine with aft location of open propeller fan |
FR3004494B1 (en) * | 2013-04-15 | 2018-01-19 | Safran Nacelles | TUYERE FOR AIRCRAFT TURBOPROPULSER WITH NON-CARBONATED BLOWER |
FR3016662B1 (en) * | 2014-01-23 | 2016-02-12 | Snecma | NON-CARNETIC PROPELLER TURBOMOTEUR HAVING A REINFORCING ENVELOPE INCORPORATING PIPES OF PIPES |
FR3050431B1 (en) | 2016-04-20 | 2018-04-27 | Safran Aircraft Engines | SIMPLIFIED STEP ACTUATION SYSTEM FOR A TURBOMACHINE PROPELLER |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB238343A (en) * | 1924-07-03 | 1925-08-20 | English Electric Co Ltd | Improvements in the construction of elastic fluid turbines |
FR776676A (en) * | 1933-10-23 | 1935-01-31 | Helical turbine | |
FR910103A (en) * | 1942-01-02 | 1946-05-28 | Rateau Soc | Gas turbine engine combined with a fan or propellant |
BE462340A (en) * | 1944-04-15 | |||
GB1004641A (en) * | 1963-05-16 | 1965-09-15 | Vickers Armstrong Aircraft Ltd | Improvements in jet-propulsion power-plants for aircraft |
GB978041A (en) * | 1963-08-21 | 1964-12-16 | Rolls Royce | Aerofoil-section member having relatively movable parts |
DE1426835A1 (en) * | 1964-06-27 | 1969-04-03 | Maschf Augsburg Nuernberg Ag | Process and arrangement for generating energy or for power consumption in counter-rotating turbines or machines |
GB1097632A (en) * | 1965-11-19 | 1968-01-03 | Bristol Siddeley Engines Ltd | Gas turbine power plant |
FR1483743A (en) * | 1965-12-02 | 1967-06-09 | Snecma | Turbomachine with contra-rotating compressor |
GB1212593A (en) * | 1968-01-25 | 1970-11-18 | British Aircraft Corp Ltd | Improvements relating to rotary large diameter gas seals |
GB1203712A (en) * | 1968-02-07 | 1970-09-03 | Rolls Royce | Improvements in or relating to gas turbine engine |
SU411214A1 (en) * | 1968-05-12 | 1974-01-15 | ||
US3861139A (en) * | 1973-02-12 | 1975-01-21 | Gen Electric | Turbofan engine having counterrotating compressor and turbine elements and unique fan disposition |
US4446696A (en) * | 1981-06-29 | 1984-05-08 | General Electric Company | Compound propulsor |
US4519746A (en) * | 1981-07-24 | 1985-05-28 | United Technologies Corporation | Airfoil blade |
NL8303401A (en) * | 1982-11-01 | 1984-06-01 | Gen Electric | DRIVE TURBINE FOR OPPOSITE ROTATING PROPELLERS. |
GB2138507B (en) * | 1983-04-22 | 1987-07-29 | Rolls Royce | Mounting and exhausting in turbo-propellor aircraft engines |
FR2560642A1 (en) * | 1984-03-02 | 1985-09-06 | Gen Electric | TURBOSOUFFLANTE MOTOR WITH COUNTER-ROTATION |
-
1986
- 1986-04-18 CA CA000507026A patent/CA1262409A/en not_active Expired
- 1986-04-24 NL NL8601055A patent/NL8601055A/en not_active Application Discontinuation
- 1986-04-25 SE SE8601928A patent/SE462660B/en not_active IP Right Cessation
- 1986-04-26 DE DE3614157A patent/DE3614157C2/en not_active Expired - Fee Related
- 1986-04-28 JP JP61097039A patent/JPH0681883B2/en not_active Expired - Lifetime
- 1986-04-30 GB GB8610566A patent/GB2174762B/en not_active Expired - Fee Related
- 1986-04-30 FR FR8606248A patent/FR2581423B1/en not_active Expired - Fee Related
- 1986-04-30 IT IT8620279A patent/IT1208606B/en active
- 1986-05-01 AU AU57093/86A patent/AU589180B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB8610566D0 (en) | 1986-06-04 |
DE3614157C2 (en) | 1997-06-26 |
NL8601055A (en) | 1986-12-01 |
FR2581423B1 (en) | 1993-10-22 |
AU5709386A (en) | 1986-11-06 |
SE8601928L (en) | 1986-11-02 |
DE3614157A1 (en) | 1986-11-06 |
SE462660B (en) | 1990-08-06 |
JPS6217301A (en) | 1987-01-26 |
SE8601928D0 (en) | 1986-04-25 |
GB2174762A (en) | 1986-11-12 |
GB2174762B (en) | 1990-04-04 |
CA1262409A (en) | 1989-10-24 |
IT1208606B (en) | 1989-07-10 |
AU589180B2 (en) | 1989-10-05 |
JPH0681883B2 (en) | 1994-10-19 |
FR2581423A1 (en) | 1986-11-07 |
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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: 19950426 |