GB1034233A - Improvements in or relating to gas turbine units - Google Patents

Improvements in or relating to gas turbine units

Info

Publication number
GB1034233A
GB1034233A GB8953/64A GB895364A GB1034233A GB 1034233 A GB1034233 A GB 1034233A GB 8953/64 A GB8953/64 A GB 8953/64A GB 895364 A GB895364 A GB 895364A GB 1034233 A GB1034233 A GB 1034233A
Authority
GB
United Kingdom
Prior art keywords
shaft
fuel pump
drive
turbine
engine
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
GB8953/64A
Inventor
Vivian Archibald Hyett
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB8953/64A priority Critical patent/GB1034233A/en
Publication of GB1034233A publication Critical patent/GB1034233A/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
    • 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
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • 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
    • F02C7/32—Arrangement, mounting, or driving, of auxiliaries
    • 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
    • F05D2220/50—Application for auxiliary power units (APU's)
    • 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)

Abstract

1,034,233. Gas turbine engines; starting engines. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Feb. 8,1965 [March 3,1964], No. 8953/64. Headings FIG and F1K. The invention relates to means for driving the fuel pump of a gas turbine engine particularly during starting of the engine. The engine shown comprises compressor 1, combustion equipment 3 and turbine 7 which drives the compressor through shaft 15 which also drives the load. The engine comprises also a starter motor 23 shown as an electric motor, and a fuel pump 11 shown as a centrifugal type pump which supplies fuel to the combustion equipment 3 through line 13. The fuel pump 11 is arranged to be driven by the starter motor 23 at starting, the drive of the pump being taken over by the turbine and compressor assembly when the engine has reached a predetermined speed. The starter motor 23 is connected to a shaft 43 through a first one-way drive 45, and the shaft 43 is connected through gearing 41, 37B, intermediate shaft 33 and gearing 35, 39 to the extension 21 of the turbine and compressor shaft, the gear 37B constituting one element of a second one-way drive 37 which allows drive from shaft 43 to shaft 33 but not vice versa. The shaft 43 is also connected through the gearing 41, 37B to the gear 29 which is secured to the drive shaft 27 of the fuel pump 11. Thus at starting, the turbine and compressor assembly is rotated, also the fuel pump. The gear 35 secured to the intermediate shaft 33 is also in engagement with a gear 31B which constitutes one element of a third one-way drive 31, the second element 31 A of which is connected to the drive shaft 27 of the fuel pump 11. The gear ratios are such that the drive to the fuel pump 11 from the turbine and compressor assembly through the gearing 39, 35, 31B and one-way drive 31 occurs only when the speed of that assembly attains a certain pre-determined value. The motor 23 may also be used to accelerate the engine rapidly from idling speed, the motor then being used to drive the fuel pump, and possibly also the turbine and compressor assembly, the increased speed of the fuel pump and thus the increased flow of fuel to the combustion chamber serving to boost the rate of acceleration.
GB8953/64A 1964-03-03 1964-03-03 Improvements in or relating to gas turbine units Expired GB1034233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8953/64A GB1034233A (en) 1964-03-03 1964-03-03 Improvements in or relating to gas turbine units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8953/64A GB1034233A (en) 1964-03-03 1964-03-03 Improvements in or relating to gas turbine units

Publications (1)

Publication Number Publication Date
GB1034233A true GB1034233A (en) 1966-06-29

Family

ID=9862510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8953/64A Expired GB1034233A (en) 1964-03-03 1964-03-03 Improvements in or relating to gas turbine units

Country Status (1)

Country Link
GB (1) GB1034233A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014202898A1 (en) * 2013-06-21 2014-12-24 Hispano-Suiza Turbomachine accessory gearbox equipped with a centrifugal pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014202898A1 (en) * 2013-06-21 2014-12-24 Hispano-Suiza Turbomachine accessory gearbox equipped with a centrifugal pump
FR3007462A1 (en) * 2013-06-21 2014-12-26 Hispano Suiza Sa TURBOMACHINE ACCESSORY BOX EQUIPPED WITH CENTRIFUGAL PUMP
RU2689229C2 (en) * 2013-06-21 2019-05-24 Сафран Трансмишн Системз Turbomachine units drives box equipped with centrifugal pump

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