FR3084977B1 - ELECTRIC MOTOR FOR AN AIRCRAFT - Google Patents

ELECTRIC MOTOR FOR AN AIRCRAFT Download PDF

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Publication number
FR3084977B1
FR3084977B1 FR1857359A FR1857359A FR3084977B1 FR 3084977 B1 FR3084977 B1 FR 3084977B1 FR 1857359 A FR1857359 A FR 1857359A FR 1857359 A FR1857359 A FR 1857359A FR 3084977 B1 FR3084977 B1 FR 3084977B1
Authority
FR
France
Prior art keywords
electric motor
stator
rotor
aircraft
flow
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
FR1857359A
Other languages
French (fr)
Other versions
FR3084977A1 (en
Inventor
Quentin Galy
Florent Challas
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 Electrical and Power SAS
Original Assignee
Safran Electrical and Power SAS
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 Safran Electrical and Power SAS filed Critical Safran Electrical and Power SAS
Priority to FR1857359A priority Critical patent/FR3084977B1/en
Publication of FR3084977A1 publication Critical patent/FR3084977A1/en
Application granted granted Critical
Publication of FR3084977B1 publication Critical patent/FR3084977B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • 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
    • F04D19/022—Multi-stage pumps with concentric rows of vanes
    • 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
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

Moteur électrique (110) pour un aéronef, comportant un rotor (122), un arbre (124) entraînant le rotor, un stator (118) entourant le rotor, et un carter (126) portant le stator et définissant autour du stator une veine (V) d'écoulement d'air de ventilation, le moteur électrique comportant en outre une roue de ventilation (112) entraînée par ledit arbre et comportant une première rangée annulaire de pales (114a) configurée pour générer un premier flux d'air (116) de ventilation dans ladite veine, caractérisé en ce que la roue comprend une seconde rangée annulaire de pales (114b) configurée pour générer un second flux d'air (138) indépendant de refroidissement du rotor et/ou du stator.Electric motor (110) for an aircraft, comprising a rotor (122), a shaft (124) driving the rotor, a stator (118) surrounding the rotor, and a housing (126) supporting the stator and defining a vein around the stator (V) flow of ventilation air, the electric motor further comprising a fan wheel (112) driven by said shaft and having a first annular row of blades (114a) configured to generate a first flow of air ( 116) for ventilation in said duct, characterized in that the wheel comprises a second annular row of blades (114b) configured to generate a second air flow (138) independent of cooling of the rotor and / or of the stator.

FR1857359A 2018-08-07 2018-08-07 ELECTRIC MOTOR FOR AN AIRCRAFT Active FR3084977B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1857359A FR3084977B1 (en) 2018-08-07 2018-08-07 ELECTRIC MOTOR FOR AN AIRCRAFT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1857359A FR3084977B1 (en) 2018-08-07 2018-08-07 ELECTRIC MOTOR FOR AN AIRCRAFT

Publications (2)

Publication Number Publication Date
FR3084977A1 FR3084977A1 (en) 2020-02-14
FR3084977B1 true FR3084977B1 (en) 2021-06-25

Family

ID=63896386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1857359A Active FR3084977B1 (en) 2018-08-07 2018-08-07 ELECTRIC MOTOR FOR AN AIRCRAFT

Country Status (1)

Country Link
FR (1) FR3084977B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11691750B1 (en) 2021-12-28 2023-07-04 Beta Air, Llc Electric aircraft lift motor with air cooling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116871U (en) * 1980-02-04 1981-09-07
US6828700B2 (en) * 2002-09-03 2004-12-07 Lasko Holdings, Inc. Apparatus and method for cooling an electric motor
US7443063B2 (en) * 2005-10-11 2008-10-28 Hewlett-Packard Development Company, L.P. Cooling fan with motor cooler
DE102009025929A1 (en) * 2009-06-05 2010-12-09 Ulrich Spevacek Rotor assembly for permanent magnet-excited rotary electrical machine, has outside bush comprising slots at outer circumference in longitudinal direction to receive electric sheet packages, and permanent magnets arranged between packages
FR3025591B1 (en) * 2014-09-05 2016-10-14 Technofan VENTILATION DEVICE, AIRCRAFT COMPRISING SUCH A VENTILATION DEVICE AND METHOD OF MONITORING

Also Published As

Publication number Publication date
FR3084977A1 (en) 2020-02-14

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