4. Electrical generator or motor structure
  5. Dynamoelectric
  6. Rotary

Young-Chun Jeung

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Electric motor with power supply circuit supplying isolated...

Electricity: motive power systems – Synchronous motor systems – Brushless motor closed-loop control
Reexamination Certificate

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Method of constant RPM control for a ventilation system

Electricity: motive power systems – Automatic and/or with time-delay means – Speed or rate-of-movement
Reexamination Certificate

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Method of making rotor of brushless motor

Metal working – Method of mechanical manufacture – Electrical device making
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Method of transition between controls for a ventilation system

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...
Reexamination Certificate

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Multi-level programming of motor for a ventilation system

Electricity: motive power systems – Synchronous motor systems – Brushless motor closed-loop control
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Profile ID: LFUS-PAI-P-2271135

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