IT944367B - DIFFERENTIAL CONTROL FOR IMPELLER HUB - Google Patents

DIFFERENTIAL CONTROL FOR IMPELLER HUB

Info

Publication number
IT944367B
IT944367B IT32929/71A IT3292971A IT944367B IT 944367 B IT944367 B IT 944367B IT 32929/71 A IT32929/71 A IT 32929/71A IT 3292971 A IT3292971 A IT 3292971A IT 944367 B IT944367 B IT 944367B
Authority
IT
Italy
Prior art keywords
differential control
impeller hub
impeller
hub
differential
Prior art date
Application number
IT32929/71A
Other languages
Italian (it)
Original Assignee
Sec Dep For Defen Ce In Her Br
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 Sec Dep For Defen Ce In Her Br filed Critical Sec Dep For Defen Ce In Her Br
Application granted granted Critical
Publication of IT944367B publication Critical patent/IT944367B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/026—Multi-stage pumps with a plurality of shafts rotating at different speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/022—Blade-carrying members, e.g. rotors with concentric rows of axial blades
    • 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
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • 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
    • F02K3/06—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 front fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/028—Units comprising pumps and their driving means the driving means being a planetary gear
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19023—Plural power paths to and/or from gearing
    • Y10T74/19074—Single drive plural driven
    • Y10T74/19121—Concentric
IT32929/71A 1971-01-08 1971-12-24 DIFFERENTIAL CONTROL FOR IMPELLER HUB IT944367B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB97571 1971-01-08

Publications (1)

Publication Number Publication Date
IT944367B true IT944367B (en) 1973-04-20

Family

ID=9713823

Family Applications (1)

Application Number Title Priority Date Filing Date
IT32929/71A IT944367B (en) 1971-01-08 1971-12-24 DIFFERENTIAL CONTROL FOR IMPELLER HUB

Country Status (6)

Country Link
US (1) US3729957A (en)
JP (1) JPS5233323B1 (en)
DE (1) DE2200497C3 (en)
FR (1) FR2121524B1 (en)
GB (1) GB1309721A (en)
IT (1) IT944367B (en)

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US3673802A (en) * 1970-06-18 1972-07-04 Gen Electric Fan engine with counter rotating geared core booster
US3646834A (en) * 1970-10-28 1972-03-07 Curtiss Wright Corp Counterrotating output transmission

Also Published As

Publication number Publication date
DE2200497C3 (en) 1978-06-29
DE2200497A1 (en) 1972-09-07
FR2121524B1 (en) 1975-07-18
GB1309721A (en) 1973-03-14
FR2121524A1 (en) 1972-08-25
US3729957A (en) 1973-05-01
DE2200497B2 (en) 1977-11-10
JPS5233323B1 (en) 1977-08-27

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