FR3084977B1 - ELECTRIC MOTOR FOR AN AIRCRAFT - Google Patents
ELECTRIC MOTOR FOR AN AIRCRAFT Download PDFInfo
- 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
Links
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
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- 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.
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)
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)
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 |
-
2018
- 2018-08-07 FR FR1857359A patent/FR3084977B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR3084977A1 (en) | 2020-02-14 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 2 |
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PLSC | Publication of the preliminary search report |
Effective date: 20200214 |
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PLFP | Fee payment |
Year of fee payment: 3 |
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PLFP | Fee payment |
Year of fee payment: 4 |
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PLFP | Fee payment |
Year of fee payment: 5 |
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PLFP | Fee payment |
Year of fee payment: 6 |