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

David Yan Leng

Inventor

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Actuator using magnetic forces to reduce frictional forces

Valves and valve actuation – Permanent or constantly energized magnet actuator
Patent

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Bearing for slanted surfaces

Bearings – Rotary bearing – Antifriction bearing
Patent

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Self aligning actuator with low bearing wear

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Two-phase stepper motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Two-phase stepper motor having two disk stators with salient...

Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1479286

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