Cage rotor for large torque motor - has spring pushing cage bars radially outwards in shaped slots
The rotor has each of its slots provided with a trapezium shaped cross-section near its open end and a rectangular cross- section along the rest of its length down to the lower region. The cage is formed by two sets of bars. The first set has bars (1) with a trapezium-shaped cross-section and fittin...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The rotor has each of its slots provided with a trapezium shaped cross-section near its open end and a rectangular cross- section along the rest of its length down to the lower region. The cage is formed by two sets of bars. The first set has bars (1) with a trapezium-shaped cross-section and fitting into the corresp. shaped part of the slots. The second set has bars (2) having a rounded rectangular cross-section and fitting into the rectangular part of the slot. The rectangular bars do not reach the bottoms of the slots but leave gaps. These gaps are each filled by a spring (3) that pushes both bars upwards so preventing movement in the slot. |
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