GB1535765A - Variable cycle turbofan engines - Google Patents

Variable cycle turbofan engines

Info

Publication number
GB1535765A
GB1535765A GB5208175A GB5208175A GB1535765A GB 1535765 A GB1535765 A GB 1535765A GB 5208175 A GB5208175 A GB 5208175A GB 5208175 A GB5208175 A GB 5208175A GB 1535765 A GB1535765 A GB 1535765A
Authority
GB
United Kingdom
Prior art keywords
fan
pass
duct
variable
gas turbine
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.)
Expired
Application number
GB5208175A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1535765A publication Critical patent/GB1535765A/en
Expired legal-status Critical Current

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
    • F02K3/075—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
    • 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
    • F02K3/077—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 the plant being of the multiple flow type, i.e. having three or more flows

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Turbines (AREA)
GB5208175A 1975-01-02 1975-12-19 Variable cycle turbofan engines Expired GB1535765A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53816775A 1975-01-02 1975-01-02

Publications (1)

Publication Number Publication Date
GB1535765A true GB1535765A (en) 1978-12-13

Family

ID=24145795

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5208175A Expired GB1535765A (en) 1975-01-02 1975-12-19 Variable cycle turbofan engines

Country Status (5)

Country Link
JP (1) JPS5924260B2 (enExample)
DE (1) DE2557735A1 (enExample)
FR (1) FR2296769A1 (enExample)
GB (1) GB1535765A (enExample)
IT (1) IT1052016B (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2262778A (en) * 1991-12-24 1993-06-30 Snecma Variable cycle propulsion engine for supersonic aircraft.
GB2305976A (en) * 1981-12-21 1997-04-23 British Aerospace Jet propulsion powerplants
CN111594316A (zh) * 2020-05-11 2020-08-28 中国航发沈阳发动机研究所 一种中介机匣组件
CN114856856A (zh) * 2022-05-06 2022-08-05 中国科学院工程热物理研究所 一种高升限低油耗中等涵道比变循环发动机
CN115059554A (zh) * 2022-06-06 2022-09-16 上海交通大学 双排气级自适应推力尾喷管的发动机及调节机构
CN116291946A (zh) * 2023-03-20 2023-06-23 北方工业大学 一种向心涡轮驱动的单轴混排微型涡轮风扇发动机
CN117662323A (zh) * 2023-12-07 2024-03-08 中国航空发动机研究院 一种模态可变涡扇发动机、飞行器及飞行模式切换方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791783A (en) * 1981-11-27 1988-12-20 General Electric Company Convertible aircraft engine
GB2165892B (en) * 1984-10-22 1988-10-26 Gen Electric Variable cycle engine
CA2091473A1 (en) * 1992-04-20 1993-10-21 Mark J. Wagner Bypass injector valve for variable cycle aircraft engines
US6948317B2 (en) * 2003-10-31 2005-09-27 General Electric Company Methods and apparatus for flade engine nozzle
US7926290B2 (en) * 2006-12-18 2011-04-19 General Electric Company Turbine engine with modulated flow fan and method of operation
CN108087149B (zh) * 2016-11-22 2020-05-19 江西洪都航空工业集团有限责任公司 一种高推重比低油耗的涡喷发动机
FR3097016B1 (fr) 2019-06-06 2021-07-23 Safran Aircraft Engines Structure de confluence d’une veine primaire et d’une veine secondaire dans une turbomachine a double flux

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB978658A (en) * 1962-05-31 1964-12-23 Rolls Royce Gas turbine by-pass engines
GB980306A (en) * 1963-05-10 1965-01-13 Rolls Royce Gas turbine engine
GB1069033A (en) * 1965-01-30 1967-05-17 Rolls Royce Improvements in or relating to gas turbine jet propulsion engines
GB1313841A (en) * 1967-01-18 1973-04-18 Secr Defence Gas turbine jet propulsion engine
US3449914A (en) * 1967-12-21 1969-06-17 United Aircraft Corp Variable flow turbofan engine
DE2149619A1 (de) * 1971-10-05 1973-04-19 Motoren Turbinen Union Turbinenstrahltriebwerk fuer senkrechtoder kurzstartende bzw. landende flugzeuge
DE2153929A1 (de) * 1971-10-29 1973-05-10 Motoren Turbinen Union Einrichtung zur luftentnahme fuer flugzeuge mit strahltriebwerken

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305976A (en) * 1981-12-21 1997-04-23 British Aerospace Jet propulsion powerplants
GB2305976B (en) * 1981-12-21 1998-01-07 British Aerospace Jet propulsion powerplants
GB2262778A (en) * 1991-12-24 1993-06-30 Snecma Variable cycle propulsion engine for supersonic aircraft.
GB2262778B (en) * 1991-12-24 1995-05-10 Snecma Variable cycle propulsion engine for supersonic aircraft
CN111594316A (zh) * 2020-05-11 2020-08-28 中国航发沈阳发动机研究所 一种中介机匣组件
CN114856856A (zh) * 2022-05-06 2022-08-05 中国科学院工程热物理研究所 一种高升限低油耗中等涵道比变循环发动机
CN114856856B (zh) * 2022-05-06 2024-04-30 中国科学院工程热物理研究所 一种高升限低油耗中等涵道比变循环发动机
CN115059554A (zh) * 2022-06-06 2022-09-16 上海交通大学 双排气级自适应推力尾喷管的发动机及调节机构
CN116291946A (zh) * 2023-03-20 2023-06-23 北方工业大学 一种向心涡轮驱动的单轴混排微型涡轮风扇发动机
CN116291946B (zh) * 2023-03-20 2025-09-02 北方工业大学 一种向心涡轮驱动的单轴混排微型涡轮风扇发动机
CN117662323A (zh) * 2023-12-07 2024-03-08 中国航空发动机研究院 一种模态可变涡扇发动机、飞行器及飞行模式切换方法
CN117662323B (zh) * 2023-12-07 2024-06-04 中国航空发动机研究院 一种模态可变涡扇发动机、飞行器及飞行模式切换方法

Also Published As

Publication number Publication date
FR2296769A1 (fr) 1976-07-30
IT1052016B (it) 1981-06-20
DE2557735A1 (de) 1976-07-08
FR2296769B1 (enExample) 1982-11-19
JPS5192917A (en) 1976-08-14
JPS5924260B2 (ja) 1984-06-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921219