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US5565750A
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Apparatus for applying field excitation to a synchronous electric motor
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Adjustable frequency power supply of the inverter type
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Apparatus for cooling a hermetic motor
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Method and means for limiting the maximum horsepower output of a self-excited alternating current motor
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Adjustable frequency current source power supply of the inverter type
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DE2265171A1
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Speed control system for inverter fed sync. machine
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DE2221779A1
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PROCEDURE AND ARRANGEMENT FOR CONTROLLING THE OUTPUT OF A SELF-EXCELLENT AC MOTOR
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Regenerative chopper circuitry
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Variable speed motor and drive circuit
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Hermetically sealed electric motors
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CA936580A
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Apparatus for cooling a hermetic motor
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Tolerable voltage control circuit
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Zero deadband reversing control
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Self-equalizing,self-aligning thrust bearing
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Phase sequence insensitive firing circuit
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Limit defining firing wave generator
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Acceleration-deceleration current limit
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Multisegmented squirrel cage rotor bars shaped for improved motor operating characteristics
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Digital-to-analog converter system
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Eddy current coupling
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