4. Electricity: motive power systems
  5. Alternating current commutating motors
  6. Universal or a.c.-d.c. motors

Ronald Sherer

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Alinement and support means for guiding pulley of band saw

Cutting – By endless band or chain knife – With means to guard the tension
Patent

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Switching device for reversing a portable electric tool

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Tool holder

Tool driving or impacting – Drive controlled by relative axial movement of tool
Patent

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Universal electric motor speed sensing by using Fourier transfor

Electricity: motive power systems – Alternating current commutating motors – Universal or a.c.-d.c. motors
Patent

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Profile ID: LFUS-PAI-P-605453

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