CA963274A - Increased or variable bypass ratio engines - Google Patents

Increased or variable bypass ratio engines

Info

Publication number
CA963274A
CA963274A CA155,869A CA155869A CA963274A CA 963274 A CA963274 A CA 963274A CA 155869 A CA155869 A CA 155869A CA 963274 A CA963274 A CA 963274A
Authority
CA
Canada
Prior art keywords
increased
bypass ratio
variable bypass
ratio engines
engines
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
CA155,869A
Other languages
English (en)
Other versions
CA155869S (en
Inventor
Garry W. Klees
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
Priority to CA204,455A priority Critical patent/CA967378A/en
Application granted granted Critical
Publication of CA963274A publication Critical patent/CA963274A/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)
CA155,869A 1971-11-08 1972-11-07 Increased or variable bypass ratio engines Expired CA963274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA204,455A CA967378A (en) 1971-11-08 1974-07-09 Flow control system and method for improving the efficiency of a propulsion engine

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
CA963274A true CA963274A (en) 1975-02-25

Family

ID=26891896

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,869A Expired CA963274A (en) 1971-11-08 1972-11-07 Increased or variable bypass ratio engines

Country Status (12)

Country Link
JP (1) JPS4861810A (it)
AU (1) AU463875B2 (it)
BE (1) BE791058A (it)
CA (1) CA963274A (it)
DE (1) DE2255085A1 (it)
DK (1) DK136668B (it)
FR (1) FR2172078B1 (it)
GB (2) GB1401017A (it)
IL (1) IL40739A (it)
IT (1) IT973440B (it)
NL (1) NL7215135A (it)
SE (1) SE385610B (it)

Families Citing this family (8)

* 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
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
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

Also Published As

Publication number Publication date
DE2255085A1 (de) 1973-05-10
DK136668C (it) 1978-04-10
IL40739A (en) 1975-03-13
GB1401017A (en) 1975-07-16
GB1401018A (en) 1975-07-16
AU463875B2 (en) 1975-08-07
DK136668B (da) 1977-11-07
JPS4861810A (it) 1973-08-29
IT973440B (it) 1974-06-10
FR2172078B1 (it) 1976-10-29
AU4860272A (en) 1974-05-09
BE791058A (fr) 1973-03-01
FR2172078A1 (it) 1973-09-28
SE385610B (sv) 1976-07-12
IL40739A0 (en) 1973-03-30
NL7215135A (it) 1973-05-10

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