STATOR AND METHOD OF MANUFACTURING STATOR

The objective of the present invention is to provide a stator and a method of manufacturing the stator, wherein gaps in the circumferential and diameter directions can be ensured so that even when bead balls for TIG-welding front-tip sections become large-sized, there is no risk of the bead balls co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ANDO FUJIO, IWAMOTO HIROTSUGU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS WEAPONS
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Beschreibung
Zusammenfassung:	The objective of the present invention is to provide a stator and a method of manufacturing the stator, wherein gaps in the circumferential and diameter directions can be ensured so that even when bead balls for TIG-welding front-tip sections become large-sized, there is no risk of the bead balls coming in contact with adjacent front-tip sections. In the stator, segment coils, each provided with a pair of straight-line sections and a connecting section for connecting the pair of straight-line sections, are mounted within slots of a stator core, and at each of the segment coils, front-tip sections of the pair of straight-line sections protruding to a side opposite the connecting section are twisted in the circumferential direction and connected to straight-line sections of other segment coils. The front-tip section of a straight-line section of a segment coil is shaped towards the outer-circumference direction in the diameter direction while the front-tip section of a straight-line section of another segment coil is shaped towards the inner-circumference direction in the diameter direction, such that the front-tip section of the straight-line section of the one segment coil and the front-tip section of the straight-line section of the other segment coil are arranged on the same circumference and are connected by welding.