CA963274A - Increased or variable bypass ratio engines - Google Patents
Increased or variable bypass ratio enginesInfo
- 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
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)
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 (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 (9)
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 |
CN114542286A (en) * | 2022-03-04 | 2022-05-27 | 中国商用飞机有限责任公司 | Engine model and airplane provided with same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3527317A (en) * | 1969-04-18 | 1970-09-08 | Gen Electric | Sound control of turbofan engines |
-
0
- BE BE791058D patent/BE791058A/en unknown
-
1972
- 1972-10-30 GB GB5000072A patent/GB1401017A/en not_active Expired
- 1972-10-30 GB GB3220574A patent/GB1401018A/en not_active Expired
- 1972-11-06 IL IL40739A patent/IL40739A/en unknown
- 1972-11-07 DK DK549972AA patent/DK136668B/en unknown
- 1972-11-07 SE SE7214378A patent/SE385610B/en unknown
- 1972-11-07 CA CA155,869A patent/CA963274A/en not_active Expired
- 1972-11-07 DE DE2255085A patent/DE2255085A1/en not_active Ceased
- 1972-11-07 AU AU48602/72A patent/AU463875B2/en not_active Expired
- 1972-11-08 JP JP47111966A patent/JPS4861810A/ja active Pending
- 1972-11-08 NL NL7215135A patent/NL7215135A/xx not_active Application Discontinuation
- 1972-11-08 IT IT7253878A patent/IT973440B/en active
- 1972-11-08 FR FR7239537A patent/FR2172078B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK136668C (en) | 1978-04-10 |
DK136668B (en) | 1977-11-07 |
JPS4861810A (en) | 1973-08-29 |
DE2255085A1 (en) | 1973-05-10 |
IL40739A (en) | 1975-03-13 |
BE791058A (en) | 1973-03-01 |
SE385610B (en) | 1976-07-12 |
NL7215135A (en) | 1973-05-10 |
GB1401017A (en) | 1975-07-16 |
IL40739A0 (en) | 1973-03-30 |
FR2172078B1 (en) | 1976-10-29 |
FR2172078A1 (en) | 1973-09-28 |
AU463875B2 (en) | 1975-08-07 |
IT973440B (en) | 1974-06-10 |
GB1401018A (en) | 1975-07-16 |
AU4860272A (en) | 1974-05-09 |
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