FR3062423B1 - DRIVE SYSTEM FOR A FUEL PUMP OF A TURBOMACHINE - Google Patents

DRIVE SYSTEM FOR A FUEL PUMP OF A TURBOMACHINE Download PDF

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Publication number
FR3062423B1
FR3062423B1 FR1750744A FR1750744A FR3062423B1 FR 3062423 B1 FR3062423 B1 FR 3062423B1 FR 1750744 A FR1750744 A FR 1750744A FR 1750744 A FR1750744 A FR 1750744A FR 3062423 B1 FR3062423 B1 FR 3062423B1
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FR
France
Prior art keywords
elements
turbomachine
electrical means
gear
fuel pump
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.)
Active
Application number
FR1750744A
Other languages
French (fr)
Other versions
FR3062423A1 (en
Inventor
Huguette de Wergifosse
Eric DE WERGIFOSSE
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.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
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Publication date
Application filed by Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1750744A priority Critical patent/FR3062423B1/en
Publication of FR3062423A1 publication Critical patent/FR3062423A1/en
Application granted granted Critical
Publication of FR3062423B1 publication Critical patent/FR3062423B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02C7/32—Arrangement, mounting, or driving, of auxiliaries
    • 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
    • F02C7/22—Fuel supply systems
    • F02C7/236—Fuel delivery systems comprising two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
    • 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
    • F02C7/26—Starting; Ignition
    • F02C7/268—Starting drives for the rotor, acting directly on the rotor of the gas turbine to be started
    • F02C7/275—Mechanical drives
    • 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
    • F05D2220/60—Application making use of surplus or waste energy
    • 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
    • F05D2220/70—Application in combination with
    • F05D2220/76—Application in combination with an electrical generator
    • F05D2220/764—Application in combination with an electrical generator of the alternating current (A.C.) type
    • 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
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • 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)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne un système d'entraînement d'une pompe à carburant d'une turbomachine, la turbomachine comportant un axe moteur et un démarreur (16) ayant aussi fonction de générateur, le système comportant un réducteur (11) à train épicycloïdal comprenant trois éléments, un planétaire (11 A) central, une couronne (11 B) externe et un porte-satellites (11 U) dont les satellites (11 S) s'engrènent avec le planétaire et la couronne, un premier des trois éléments étant destiné à être relié à l'axe moteur et un second des trois éléments étant destiné à être couplé à un arbre de la pompe (1), caractérisé en ce que lesdits trois éléments sont mobiles en rotation autour d'un axe du réducteur, en ce que le système comporte en outre des premiers moyens électriques (12) agencés pour entraîner en rotation le troisième desdits éléments du réducteur (11), de manière à modifier un rapport de vitesse de rotation entre le premier et le second desdits éléments, et des seconds moyens électriques (13) couplés à l'un desdits premier ou second élément du réducteur (11), les premier et second moyens électriques étant agencés pour transférer de la puissance électrique de manière réversible de l'un à l'autre, et en ce que les premiers moyens (12) ou les seconds moyens (13) électriques comprennent le démarreur (16)The invention relates to a drive system for a fuel pump of a turbomachine, the turbomachine comprising a motor shaft and a starter (16) also having a generator function, the system comprising an epicyclic gear reducer (11) comprising three elements, a sun gear (11 A) central, an outer ring (11 B) and a planet carrier (11 U) whose satellites (11 S) mesh with the sun gear and the ring gear, a first of the three elements being intended to be connected to the motor shaft and a second of the three elements being intended to be coupled to a shaft of the pump (1), characterized in that said three elements are rotatable about an axis of the gearbox, in the system further comprises first electrical means (12) arranged to rotate the third of said gear elements (11) to change a rotational speed ratio between the first and second of said elements, and second electrical means (13) coupled to one of said first or second element of the reducer (11), the first and second electrical means being arranged to transfer reversibly electric power from one to the other. other, and in that the first means (12) or second electrical means (13) comprise the starter (16)

FR1750744A 2017-01-30 2017-01-30 DRIVE SYSTEM FOR A FUEL PUMP OF A TURBOMACHINE Active FR3062423B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1750744A FR3062423B1 (en) 2017-01-30 2017-01-30 DRIVE SYSTEM FOR A FUEL PUMP OF A TURBOMACHINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1750744 2017-01-30
FR1750744A FR3062423B1 (en) 2017-01-30 2017-01-30 DRIVE SYSTEM FOR A FUEL PUMP OF A TURBOMACHINE

Publications (2)

Publication Number Publication Date
FR3062423A1 FR3062423A1 (en) 2018-08-03
FR3062423B1 true FR3062423B1 (en) 2019-03-15

Family

ID=58228337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1750744A Active FR3062423B1 (en) 2017-01-30 2017-01-30 DRIVE SYSTEM FOR A FUEL PUMP OF A TURBOMACHINE

Country Status (1)

Country Link
FR (1) FR3062423B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3099202B1 (en) * 2019-07-26 2021-07-09 Safran Aircraft Engines POWER DISTRIBUTION DEVICE BETWEEN AN ELECTRIC STARTER AND AN ELECTRIC MACHINE TO A SHAFT OF A TURBOMACHINE
FR3099209B1 (en) * 2019-07-26 2021-06-25 Safran Aircraft Engines DEVICE FOR DRIVING A GENERATOR OF AN AIRCRAFT TURBOMACHINE AND PROCESS FOR REGULATING THE SPEED OF SUCH A GENERATOR
FR3142714A1 (en) 2022-12-06 2024-06-07 Vape Rail International En Abrege V.R.I. SUPERVISION SYSTEM FOR A RAILWAY SITE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2934321B1 (en) * 2008-07-25 2013-09-27 Hispano Suiza Sa CONTROL OF FUEL FLOW DRAINED IN A FUEL SYSTEM OF AN AIRCRAFT PROPELLED BY AN ENGINE.
US7998016B2 (en) * 2008-12-19 2011-08-16 Caterpillar Inc. Universal gear train
FR2948151B1 (en) * 2009-07-17 2011-11-25 Snecma METHOD AND SYSTEM FOR CONTROLLING AN AIRCRAFT ENGINE STARTER-GENERATOR
US10094295B2 (en) * 2013-01-30 2018-10-09 Pratt & Whitney Canada Corp. Gas turbine engine with transmission

Also Published As

Publication number Publication date
FR3062423A1 (en) 2018-08-03

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