GB1401017A - Duct system - Google Patents

Duct system

Info

Publication number
GB1401017A
GB1401017A GB5000072A GB5000072A GB1401017A GB 1401017 A GB1401017 A GB 1401017A GB 5000072 A GB5000072 A GB 5000072A GB 5000072 A GB5000072 A GB 5000072A GB 1401017 A GB1401017 A GB 1401017A
Authority
GB
United Kingdom
Prior art keywords
flow
fan
engine
duct
air
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
GB5000072A
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.)
Boeing Co
Original Assignee
Boeing 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 Boeing Co filed Critical Boeing Co
Publication of GB1401017A publication Critical patent/GB1401017A/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
    • F02K3/077—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
    • 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
    • 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
    • F02K3/08—Plants including a gas turbine driving a compressor or a ducted fan with supplementary heating of the working fluid; Control thereof
    • F02K3/105—Heating the by-pass flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K7/00—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof
    • F02K7/10—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof characterised by having ram-action compression, i.e. aero-thermo-dynamic-ducts or ram-jet engines
    • F02K7/16—Composite ram-jet/turbo-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
    • F05D2220/00—Application
    • F05D2220/80—Application in supersonic vehicles excluding hypersonic vehicles or ram, scram or rocket propulsion
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB5000072A 1971-11-08 1972-10-30 Duct system Expired GB1401017A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19642271A 1971-11-08 1971-11-08
US22685072A 1972-02-16 1972-02-16

Publications (1)

Publication Number Publication Date
GB1401017A true GB1401017A (en) 1975-07-16

Family

ID=26891896

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3220574A Expired GB1401018A (en) 1971-11-08 1972-10-30 Flow control system
GB5000072A Expired GB1401017A (en) 1971-11-08 1972-10-30 Duct system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB3220574A Expired GB1401018A (en) 1971-11-08 1972-10-30 Flow control system

Country Status (12)

Country Link
JP (1) JPS4861810A (xx)
AU (1) AU463875B2 (xx)
BE (1) BE791058A (xx)
CA (1) CA963274A (xx)
DE (1) DE2255085A1 (xx)
DK (1) DK136668B (xx)
FR (1) FR2172078B1 (xx)
GB (2) GB1401018A (xx)
IL (1) IL40739A (xx)
IT (1) IT973440B (xx)
NL (1) NL7215135A (xx)
SE (1) SE385610B (xx)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2354041A (en) * 2000-07-04 2001-03-14 Adrian Alexander Hubbard Variable bypass jet engine
US8061980B2 (en) 2008-08-18 2011-11-22 United Technologies Corporation Separation-resistant inlet duct for mid-turbine frames
CN114542286A (zh) * 2022-03-04 2022-05-27 中国商用飞机有限责任公司 发动机模型及安装有该发动机模型的飞机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1389347A (en) * 1972-05-25 1975-04-03 Rolls Royce Gas turbine power plant
GB1415679A (en) * 1972-11-17 1975-11-26 Rolls Royce Gas turbine engine powerplant
US4142365A (en) * 1976-11-01 1979-03-06 General Electric Company Hybrid mixer for a high bypass ratio gas turbofan engine
FR2645911B1 (fr) * 1989-04-18 1991-06-07 Snecma Moteur a grand taux de dilution a soufflante amont et soufflante aval
JPH04308326A (ja) * 1991-04-03 1992-10-30 Mitsubishi Heavy Ind Ltd 流路切換え装置
CN108252935A (zh) * 2016-12-29 2018-07-06 上海鼓风机厂有限公司 多级涵道式轴流压缩机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527317A (en) * 1969-04-18 1970-09-08 Gen Electric Sound control of turbofan engines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2354041A (en) * 2000-07-04 2001-03-14 Adrian Alexander Hubbard Variable bypass jet engine
GB2354041B (en) * 2000-07-04 2003-11-19 Adrian Alexander Hubbard Variable mode jet engine-compact
US8061980B2 (en) 2008-08-18 2011-11-22 United Technologies Corporation Separation-resistant inlet duct for mid-turbine frames
CN114542286A (zh) * 2022-03-04 2022-05-27 中国商用飞机有限责任公司 发动机模型及安装有该发动机模型的飞机

Also Published As

Publication number Publication date
CA963274A (en) 1975-02-25
BE791058A (fr) 1973-03-01
SE385610B (sv) 1976-07-12
JPS4861810A (xx) 1973-08-29
IL40739A (en) 1975-03-13
NL7215135A (xx) 1973-05-10
DE2255085A1 (de) 1973-05-10
DK136668C (xx) 1978-04-10
AU4860272A (en) 1974-05-09
IL40739A0 (en) 1973-03-30
GB1401018A (en) 1975-07-16
IT973440B (it) 1974-06-10
FR2172078A1 (xx) 1973-09-28
AU463875B2 (en) 1975-08-07
FR2172078B1 (xx) 1976-10-29
DK136668B (da) 1977-11-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee