SYNCHRONOUS ELECTRICAL MACHINE, AND ASSOCIATED PROPULSION ORIENTED DRIVE DEVICE, BOAT, AND METHOD FOR COOLING SUCH A MACHINE

The synchronous electrical machine (8) comprises a machine housing (26) including a stator (27) and a rotor (28) lodged in the stator, the rotor being separated from the stator by an airgap (29), the machine housing being configured to dissipate thermal losses generated by the stator.The stator comp...

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Bibliographische Detailangaben
Hauptverfasser:	JULLIAND, Lionel, GRALL, Théo, Leboeuf, Nicolas
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION MARINE PROPULSION OR STEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
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Beschreibung
Zusammenfassung:	The synchronous electrical machine (8) comprises a machine housing (26) including a stator (27) and a rotor (28) lodged in the stator, the rotor being separated from the stator by an airgap (29), the machine housing being configured to dissipate thermal losses generated by the stator.The stator comprises stacks (30) of laminations (300) and at least one channel (36) extending along a longitudinal direction of the stator and formed in the laminations, two adjacent stacks of laminations being separated by pins or spacers (31) to form an extraction duct (32) connected to the channel, the machine housing further comprising an extraction opening (21) so that a fluid injected in the air gap at the ends of the stator flows in the extraction duct and in the channel, and is extracted from the machine through the opening to cool the stator and the rotor.