IL40739A - Increased or variable bypass ratio engines - Google Patents

Increased or variable bypass ratio engines

Info

Publication number
IL40739A
IL40739A IL40739A IL4073972A IL40739A IL 40739 A IL40739 A IL 40739A IL 40739 A IL40739 A IL 40739A IL 4073972 A IL4073972 A IL 4073972A IL 40739 A IL40739 A IL 40739A
Authority
IL
Israel
Prior art keywords
increased
bypass ratio
variable bypass
ratio engines
engines
Prior art date
Application number
IL40739A
Other versions
IL40739A0 (en
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 IL40739A0 publication Critical patent/IL40739A0/en
Publication of IL40739A publication Critical patent/IL40739A/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
    • F02K3/077—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)
IL40739A 1971-11-08 1972-11-06 Increased or variable bypass ratio engines IL40739A (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 (2)

Publication Number Publication Date
IL40739A0 IL40739A0 (en) 1973-03-30
IL40739A true IL40739A (en) 1975-03-13

Family

ID=26891896

Family Applications (1)

Application Number Title Priority Date Filing Date
IL40739A IL40739A (en) 1971-11-08 1972-11-06 Increased or variable bypass ratio engines

Country Status (12)

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

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 (en) * 1989-04-18 1991-06-07 Snecma HIGH DILUTION MOTOR WITH UPSTREAM BLOWER AND DOWNSTREAM BLOWER
JPH04308326A (en) * 1991-04-03 1992-10-30 Mitsubishi Heavy Ind Ltd Flow path change-over device
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 (en) * 2016-12-29 2018-07-06 上海鼓风机厂有限公司 Multistage culvert type axial flow compressor

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 (en) 1973-05-10
DK136668C (en) 1978-04-10
GB1401017A (en) 1975-07-16
GB1401018A (en) 1975-07-16
AU463875B2 (en) 1975-08-07
CA963274A (en) 1975-02-25
DK136668B (en) 1977-11-07
JPS4861810A (en) 1973-08-29
IT973440B (en) 1974-06-10
FR2172078B1 (en) 1976-10-29
AU4860272A (en) 1974-05-09
BE791058A (en) 1973-03-01
FR2172078A1 (en) 1973-09-28
SE385610B (en) 1976-07-12
IL40739A0 (en) 1973-03-30
NL7215135A (en) 1973-05-10

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