Asynchronous motor for individual spindle drives

A small asynchronous motor for driving individual spindles on textile machines, esp. twisting or spinning machines, has a stator with straight slots and a short-circuited cage rotor (5) which is connected to the spindle. The stator has a two pole star connected winding. The rotor has straight slots...

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Bibliographische Detailangaben
1. Verfasser:	GOTTKEHASKAMP, RAIMUND.., 40625 DUESSELDORF, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING SPINNING OR TWISTING TEXTILES
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Beschreibung
Zusammenfassung:	A small asynchronous motor for driving individual spindles on textile machines, esp. twisting or spinning machines, has a stator with straight slots and a short-circuited cage rotor (5) which is connected to the spindle. The stator has a two pole star connected winding. The rotor has straight slots (4) with slits (6) and the air gap between stator and rotor is 0.3-0.4 mm. Pref. the stator slots end in gaps 2 - 2.5 mm wide to simplify fitting the stator windings. The ratio of the outer to the inner diameter of the stator is 1.68 - 1.73. The rotor slots have a height to width ratio of 1.0 - 1.5. The relationship between the number of slots in the stator lamination stack and in the rotor lamination stack is 36-30 or 36-28.