4. Electricity: motive power systems
  5. Limitation of motor load, current, torque or force

Yu Liang Lin

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Brushless direct current fan

Electricity: motive power systems – Limitation of motor load – current – torque or force
Patent

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Drive circuit for a speed adjustable fan

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

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Drive circuit for a speed automatically adjusted fan

Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1292731

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