IT1222557B - COUNTER-ROTATING TURBO-FAN ENGINE WITH OTHER DIFFERENCE RATIO - Google Patents

COUNTER-ROTATING TURBO-FAN ENGINE WITH OTHER DIFFERENCE RATIO

Info

Publication number
IT1222557B
IT1222557B IT21741/87A IT2174187A IT1222557B IT 1222557 B IT1222557 B IT 1222557B IT 21741/87 A IT21741/87 A IT 21741/87A IT 2174187 A IT2174187 A IT 2174187A IT 1222557 B IT1222557 B IT 1222557B
Authority
IT
Italy
Prior art keywords
counter
difference ratio
fan engine
rotating turbo
turbo
Prior art date
Application number
IT21741/87A
Other languages
Italian (it)
Other versions
IT8721741A0 (en
Inventor
Alan Roy Stuart
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8721741A0 publication Critical patent/IT8721741A0/en
Application granted granted Critical
Publication of IT1222557B publication Critical patent/IT1222557B/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
    • F02K3/072—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 with counter-rotating, e.g. fan rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/06—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages
    • F02C3/067—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor the compressor comprising only axial stages having counter-rotating rotors
IT21741/87A 1986-08-29 1987-08-28 COUNTER-ROTATING TURBO-FAN ENGINE WITH OTHER DIFFERENCE RATIO IT1222557B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90225986A 1986-08-29 1986-08-29

Publications (2)

Publication Number Publication Date
IT8721741A0 IT8721741A0 (en) 1987-08-28
IT1222557B true IT1222557B (en) 1990-09-05

Family

ID=25415571

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21741/87A IT1222557B (en) 1986-08-29 1987-08-28 COUNTER-ROTATING TURBO-FAN ENGINE WITH OTHER DIFFERENCE RATIO

Country Status (6)

Country Link
JP (1) JPS63106335A (en)
DE (1) DE3728436A1 (en)
FR (1) FR2603344A1 (en)
GB (1) GB2194292A (en)
IT (1) IT1222557B (en)
SE (1) SE8703304L (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812027A1 (en) * 1988-04-11 1989-10-26 Mtu Muenchen Gmbh PROPFAN TURBO ENGINE
US4969325A (en) * 1989-01-03 1990-11-13 General Electric Company Turbofan engine having a counterrotating partially geared fan drive turbine
US5010729A (en) * 1989-01-03 1991-04-30 General Electric Company Geared counterrotating turbine/fan propulsion system
US4916894A (en) * 1989-01-03 1990-04-17 General Electric Company High bypass turbofan engine having a partially geared fan drive turbine
DE4122008A1 (en) * 1991-07-03 1993-01-14 Mtu Muenchen Gmbh GAUGE ENGINE WITH COUNTER-PRESSURE LOW-PRESSURE COMPRESSOR (BOOSTER)
US6666017B2 (en) * 2002-05-24 2003-12-23 General Electric Company Counterrotatable booster compressor assembly for a gas turbine engine
US7246484B2 (en) * 2003-08-25 2007-07-24 General Electric Company FLADE gas turbine engine with counter-rotatable fans
FR2866073B1 (en) * 2004-02-11 2006-07-28 Snecma Moteurs TURBOREACTOR HAVING TWO SOLIDARITY CONTRAROTATIVE BLOWERS OF A CONTRAROTATIVE LOW-PRESSURE COMPRESSOR
FR2866387B1 (en) * 2004-02-12 2008-03-14 Snecma Moteurs AERODYNAMIC ADAPTATION OF THE BACK BLOW OF A DOUBLE BLOWER TURBOREACTOR
US7603844B2 (en) * 2005-10-19 2009-10-20 General Electric Company Gas turbine engine assembly and methods of assembling same
US7966806B2 (en) * 2006-10-31 2011-06-28 General Electric Company Turbofan engine assembly and method of assembling same
FR2918120B1 (en) * 2007-06-28 2009-10-02 Snecma Sa DOUBLE BLOWER TURBOMACHINE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430399A (en) * 1942-11-05 1947-11-04 Armstrong Siddeley Motors Ltd Jet augmenter for combustion turbine propulsion plants
US3861139A (en) * 1973-02-12 1975-01-21 Gen Electric Turbofan engine having counterrotating compressor and turbine elements and unique fan disposition
NL8303401A (en) * 1982-11-01 1984-06-01 Gen Electric DRIVE TURBINE FOR OPPOSITE ROTATING PROPELLERS.
GB2155110A (en) * 1984-03-02 1985-09-18 Gen Electric High bypass ratio counter-rotating turbofan engine

Also Published As

Publication number Publication date
JPS63106335A (en) 1988-05-11
IT8721741A0 (en) 1987-08-28
SE8703304D0 (en) 1987-08-26
DE3728436A1 (en) 1988-03-03
FR2603344A1 (en) 1988-03-04
GB2194292A (en) 1988-03-02
SE8703304L (en) 1988-03-01
GB8713929D0 (en) 1987-07-22

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