4. Electricity: motor control systems
  5. Open loop speed control system for dc motor with commutator
  6. Analog armature control

Walter Koellner

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Dragline excavating machine with direct drive hoist and drag...

Excavating – Cable-operated – Boom-type
Reexamination Certificate

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Method for powering mining equipment

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
Reexamination Certificate

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Method for powering mining equipment

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2386679

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