SG11201404963VA - Reverse core gear turbofan - Google Patents

Reverse core gear turbofan

Info

Publication number
SG11201404963VA
SG11201404963VA SG11201404963VA SG11201404963VA SG11201404963VA SG 11201404963V A SG11201404963V A SG 11201404963VA SG 11201404963V A SG11201404963V A SG 11201404963VA SG 11201404963V A SG11201404963V A SG 11201404963VA SG 11201404963V A SG11201404963V A SG 11201404963VA
Authority
SG
Singapore
Prior art keywords
core gear
reverse core
turbofan
gear turbofan
reverse
Prior art date
Application number
SG11201404963VA
Inventor
Daniel Bernard Kupratis
Francis R Moon
Original Assignee
United Technologies Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of SG11201404963VA publication Critical patent/SG11201404963VA/en

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
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
    • F02C6/02—Plural gas-turbine plants having a common power output
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/045—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having compressor and turbine passages in a single rotor-module
    • F02C3/05—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having compressor and turbine passages in a single rotor-module the compressor and the turbine being of the radial flow type
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/10—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with another turbine driving an output shaft but not driving the compressor
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/107—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor with two or more rotors connected by power transmission
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/13—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having variable working fluid interconnections between turbines or compressors or stages of different rotors
    • 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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/14—Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant
    • F02C3/145—Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant the combustion chamber being in the reverse flow-type
    • 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
    • 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
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/16—Control of working fluid flow
    • F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
    • 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
    • F02K3/065—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 and aft fans
    • 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
    • F02K3/075—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 controlling flow ratio between flows
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
    • 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
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/36—Arrangement of components in inner-outer relationship, e.g. shaft-bearing arrangements
    • 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
    • F05D2260/402—Transmission of power through friction drives
    • F05D2260/4023—Transmission of power through friction drives through a friction clutch
    • 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
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/05—Purpose of the control system to affect the output of the engine
    • F05D2270/053—Explicitly mentioned power
SG11201404963VA 2012-03-27 2013-03-26 Reverse core gear turbofan SG11201404963VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/431,048 US9239004B2 (en) 2012-03-27 2012-03-27 Reverse core gear turbofan
PCT/US2013/033776 WO2014007880A2 (en) 2012-03-27 2013-03-26 Reverse core gear turbofan

Publications (1)

Publication Number Publication Date
SG11201404963VA true SG11201404963VA (en) 2014-10-30

Family

ID=49233015

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201404963VA SG11201404963VA (en) 2012-03-27 2013-03-26 Reverse core gear turbofan

Country Status (4)

Country Link
US (3) US9239004B2 (en)
EP (2) EP2831396B1 (en)
SG (1) SG11201404963VA (en)
WO (1) WO2014007880A2 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9222409B2 (en) * 2012-03-15 2015-12-29 United Technologies Corporation Aerospace engine with augmenting turbojet
WO2014098961A1 (en) * 2012-12-17 2014-06-26 United Technologies Corporation Two spool gas generator with improved pressure split
WO2014120115A1 (en) * 2013-01-29 2014-08-07 United Technologies Corporation Reverse-flow core gas turbine engine with a pulse detonation system
US9897040B2 (en) * 2013-03-07 2018-02-20 United Technologies Corporation Rear mounted reverse core engine thrust reverser
US9726112B2 (en) * 2013-03-07 2017-08-08 United Technologies Corporation Reverse flow gas turbine engine airflow bypass
US9523329B2 (en) * 2013-03-15 2016-12-20 United Technologies Corporation Gas turbine engine with stream diverter
US9850822B2 (en) * 2013-03-15 2017-12-26 United Technologies Corporation Shroudless adaptive fan with free turbine
EP3080424B1 (en) 2013-12-13 2022-05-04 Raytheon Technologies Corporation Architecture for an axially compact, high performance propulsion system
US10024235B2 (en) * 2014-03-03 2018-07-17 United Technologies Corporation Offset core engine architecture
US20160169102A1 (en) * 2014-12-12 2016-06-16 United Technologies Corporation Reverse core flow gas turbine engine
US10794273B2 (en) 2015-07-01 2020-10-06 Raytheon Technologies Corporation Advanced distributed engine architecture-design alternative
US10883424B2 (en) 2016-07-19 2021-01-05 Pratt & Whitney Canada Corp. Multi-spool gas turbine engine architecture
US11415063B2 (en) 2016-09-15 2022-08-16 Pratt & Whitney Canada Corp. Reverse-flow gas turbine engine
US10393067B2 (en) * 2016-08-25 2019-08-27 United Technologies Corporation Gas turbine engine with cold turbine and multiple core flowpaths
US11035293B2 (en) * 2016-09-15 2021-06-15 Pratt & Whitney Canada Corp. Reverse flow gas turbine engine with offset RGB
US10465611B2 (en) * 2016-09-15 2019-11-05 Pratt & Whitney Canada Corp. Reverse flow multi-spool gas turbine engine with aft-end accessory gearbox drivingly connected to both high pressure spool and low pressure spool
US10385774B2 (en) * 2016-09-19 2019-08-20 United Technologies Corporation Split compressor turbine engine
US10815899B2 (en) 2016-11-15 2020-10-27 Pratt & Whitney Canada Corp. Gas turbine engine accessories arrangement
US20180216525A1 (en) * 2017-01-30 2018-08-02 Pratt & Whitney Canada Corp. Gas turbine engine architecture with split compressor system
US10808624B2 (en) 2017-02-09 2020-10-20 Pratt & Whitney Canada Corp. Turbine rotor with low over-speed requirements
US10746188B2 (en) 2017-03-14 2020-08-18 Pratt & Whitney Canada Corp. Inter-shaft bearing connected to a compressor boost system
US11105200B2 (en) 2017-07-13 2021-08-31 General Electric Company Counter rotating power turbine with reduction gearbox
RU189970U1 (en) * 2018-04-24 2019-06-13 ГП НПКГ "Зоря"-"Машпроект" GAS TURBINE ENGINE POWER RANGE FROM 15 TO 40 MW
US11920479B2 (en) 2018-08-08 2024-03-05 Pratt & Whitney Canada Corp. Multi-engine system and method
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly
FR3119204B1 (en) 2021-01-26 2022-12-09 Safran Trans Systems TRIPLE FLOW AIRCRAFT TURBOMACHINE EQUIPPED WITH A POWER TRANSMISSION MODULE

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472487A (en) * 1967-10-06 1969-10-14 Avco Corp Wide speed range gas power converter
GB1484898A (en) 1974-09-11 1977-09-08 Rolls Royce Ducted fan gas turbine engine
US4141212A (en) 1977-06-20 1979-02-27 Avco Corporation Differentially geared regenerative reverse flow turbo shaft engine
DE2840201A1 (en) * 1978-09-15 1980-03-27 Maschf Augsburg Nuernberg Ag DEVICE FOR CHANGING THE INFLOW CROSS-SECTION OF THE TURBINE OF AN EXHAUST TURBOCHARGER
FR2646473B1 (en) 1989-04-26 1991-07-05 Snecma MOTOR WITH CONTRAROTATIVE TRACTOR BLOWERS
US6082975A (en) 1997-05-27 2000-07-04 Lahens; Albert Cold turbocharger consisting of a low mass turbine single disk unit
WO2002081883A2 (en) 2001-04-03 2002-10-17 Uwe Christian Seefluth Bypass flow jet engine for pre-driving aircrafts
US6647708B2 (en) * 2002-03-05 2003-11-18 Williams International Co., L.L.C. Multi-spool by-pass turbofan engine
GB0206163D0 (en) 2002-03-15 2002-04-24 Hansen Transmissions Int Gear unit lubrication
FR2858999B1 (en) 2003-08-18 2005-11-11 Snecma Moteurs TURBOMACHINE FOR AIRCRAFT WITH REDUCED NOISE EMISSIONS
US8096753B2 (en) 2004-12-01 2012-01-17 United Technologies Corporation Tip turbine engine and operating method with reverse core airflow
US7726113B2 (en) 2005-10-19 2010-06-01 General Electric Company Gas turbine engine assembly and methods of assembling same
US8365510B2 (en) * 2008-08-19 2013-02-05 Lugg Richard H Magnetic advanced generation jet electric turbine
US8887485B2 (en) 2008-10-20 2014-11-18 Rolls-Royce North American Technologies, Inc. Three spool gas turbine engine having a clutch and compressor bypass
DE102009010524A1 (en) 2009-02-25 2010-09-02 Rolls-Royce Deutschland Ltd & Co Kg Turboprop drive with pressure propeller
US8176725B2 (en) * 2009-09-09 2012-05-15 United Technologies Corporation Reversed-flow core for a turbofan with a fan drive gear system
CA2724611A1 (en) * 2009-12-21 2011-06-21 General Electric Company Power extraction system
US8516789B2 (en) * 2011-07-26 2013-08-27 United Technologies Corporation Gas turbine engine with aft core driven fan section

Also Published As

Publication number Publication date
EP3139021B1 (en) 2019-05-22
WO2014007880A3 (en) 2014-03-20
EP2831396B1 (en) 2017-09-27
US9239004B2 (en) 2016-01-19
US20150345384A1 (en) 2015-12-03
US20130255224A1 (en) 2013-10-03
EP3139021A1 (en) 2017-03-08
US20190024584A1 (en) 2019-01-24
EP2831396A4 (en) 2016-02-24
US10107193B2 (en) 2018-10-23
WO2014007880A2 (en) 2014-01-09
US10934934B2 (en) 2021-03-02
EP2831396A2 (en) 2015-02-04

Similar Documents

Publication Publication Date Title
SG11201404963VA (en) Reverse core gear turbofan
EP2733387A4 (en) Magnetic gear device
EP2683602A4 (en) Multi-speed gear system
GB201120097D0 (en) Cladding element
GB2477127B (en) Landing gear
EP2759738A4 (en) Gear unit
EP2687585A4 (en) Gear oil composition
GB201213466D0 (en) Gearbox
EP2472145A4 (en) Gear
GB2486513B (en) Gearbox
GB201106666D0 (en) Magnetic gearbox
EP2754910A4 (en) Gear coupling
GB201001864D0 (en) Magnetic gear arrangement
HUE038098T2 (en) Nutreparatur einer rotordrahtdichtung
EP2988020A4 (en) Reduction gear
EP2822149A4 (en) Engagement structure for stator core
EP2749789A4 (en) Gear device
EP2733383A4 (en) Gear device
EP2699822A4 (en) Gear box
GB201009779D0 (en) Web-winding core
GB2509287B (en) Gear lubiricant
PL2741949T3 (en) Toothed-rack steering gear
EP2618028A4 (en) Gear
EP2730805A4 (en) Reduction gear
GB2483734B (en) Landing gear