EP2971726A4 - Thrust efficient turbofan engine - Google Patents
Thrust efficient turbofan engineInfo
- Publication number
- EP2971726A4 EP2971726A4 EP14807688.8A EP14807688A EP2971726A4 EP 2971726 A4 EP2971726 A4 EP 2971726A4 EP 14807688 A EP14807688 A EP 14807688A EP 2971726 A4 EP2971726 A4 EP 2971726A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- turbofan engine
- thrust
- efficient turbofan
- thrust efficient
- engine
- 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.)
- Withdrawn
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
- F02K3/06—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 front fan
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/40—Transmission of power
- F05D2260/403—Transmission of power through the shape of the drive components
- F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361787321P | 2013-03-15 | 2013-03-15 | |
US13/854,225 US9624827B2 (en) | 2013-03-15 | 2013-04-01 | Thrust efficient turbofan engine |
US201361884327P | 2013-09-30 | 2013-09-30 | |
PCT/US2014/027105 WO2014197075A2 (en) | 2013-03-15 | 2014-03-14 | Thrust efficient turbofan engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2971726A2 EP2971726A2 (en) | 2016-01-20 |
EP2971726A4 true EP2971726A4 (en) | 2016-11-16 |
Family
ID=52008711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14807688.8A Withdrawn EP2971726A4 (en) | 2013-03-15 | 2014-03-14 | Thrust efficient turbofan engine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2971726A4 (en) |
WO (1) | WO2014197075A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015048464A1 (en) | 2013-09-30 | 2015-04-02 | United Technologies Corporation | Thrust efficient turbofan engine |
GB201810885D0 (en) * | 2018-07-03 | 2018-08-15 | Rolls Royce Plc | High efficiency gas turbine engine |
GB201813086D0 (en) | 2018-08-10 | 2018-09-26 | Rolls Royce Plc | Efficient gas turbine engine |
GB201813079D0 (en) | 2018-08-10 | 2018-09-26 | Rolls Royce Plc | Effcient gas turbine engine |
GB201813082D0 (en) | 2018-08-10 | 2018-09-26 | Rolls Royce Plc | Efficient gas turbine engine |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110289900A1 (en) * | 2007-10-15 | 2011-12-01 | Stern Alfred M | Thrust reversing variable area nozzle |
US20120171018A1 (en) * | 2007-09-21 | 2012-07-05 | Hasel Karl L | Gas turbine engine compressor arrangement |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120124964A1 (en) * | 2007-07-27 | 2012-05-24 | Hasel Karl L | Gas turbine engine with improved fuel efficiency |
US8943796B2 (en) * | 2011-06-28 | 2015-02-03 | United Technologies Corporation | Variable cycle turbine engine |
US9506422B2 (en) * | 2011-07-05 | 2016-11-29 | United Technologies Corporation | Efficient, low pressure ratio propulsor for gas turbine engines |
-
2014
- 2014-03-14 EP EP14807688.8A patent/EP2971726A4/en not_active Withdrawn
- 2014-03-14 WO PCT/US2014/027105 patent/WO2014197075A2/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120171018A1 (en) * | 2007-09-21 | 2012-07-05 | Hasel Karl L | Gas turbine engine compressor arrangement |
US20110289900A1 (en) * | 2007-10-15 | 2011-12-01 | Stern Alfred M | Thrust reversing variable area nozzle |
Non-Patent Citations (4)
Title |
---|
D P EDKINS ET AL: "NASA CR-120914 TF34 TURBOFAN QUIET ENGINE STUDY FINAL REPORT", 1 January 1972 (1972-01-01), XP055309404, Retrieved from the Internet <URL:http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720026093.pdf> [retrieved on 20161011] * |
DENÓS R ET AL: "GEARED FAN", AERO-ENGINE DESIGN: FROM STATE-OF-THE-ART TURBOFANS TOWARDS INNOVATIVE ARCHITECTURES - HARDCOVER. LECTURES SERIES 2008-03,, 3 March 2008 (2008-03-03), pages 1 - 26, XP003035510 * |
MARK H WATERS ET AL: "NASA TECHNICAL MEMORANDUM ANALYSIS OF TURBOFAN PROPULSION SYSTEM WEIGHT AND DIMENSIGNS", 1 January 1977 (1977-01-01), XP055309222, Retrieved from the Internet <URL:http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19770012125.pdf> [retrieved on 20161010] * |
See also references of WO2014197075A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014197075A2 (en) | 2014-12-11 |
EP2971726A2 (en) | 2016-01-20 |
WO2014197075A3 (en) | 2015-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20151005 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: UNITED TECHNOLOGIES CORPORATION |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20161018 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F02C 7/36 20060101ALI20161012BHEP Ipc: F02K 3/06 20060101AFI20161012BHEP |
|
TPAC | Observations filed by third parties |
Free format text: ORIGINAL CODE: EPIDOSNTIPA |
|
17Q | First examination report despatched |
Effective date: 20190919 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20201030 |