Electric machine with a transformer having a rotating component

Details Electric machine with a transformer having a rotating component Electric machine with a transformer having a rotating component

1994-03-18

1996-05-21

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68D, 310 74, 310176, 310184, 310198, 310254, 310261, 310113, 318807, 336120, H02K 1600

Patent

active

055192750

ABSTRACT:
An electric machine according to various aspects of the invention includes a transformer having a rotating component for transmitting power from a stationary portion of the machine to a rotating portion of the machine, or vice versa. Both the rotating component and a stationary component of the transformer includes a winding, wherein the windings are disposed to be magnetically coupled. Current provided to the winding of the stationary component generates a magnetic field, which induces current in the winding of the rotating component.

REFERENCES:
patent: 3046471 (1962-07-01), Williams
patent: 3317874 (1967-05-01), Honsinger
patent: 4517471 (1988-05-01), Sachs
patent: 5065060 (1991-11-01), Takahashi et al.
patent: 5079463 (1992-01-01), Matsuyama
patent: 5097165 (1992-03-01), Mashino et al.
NASA Tech Brief; Apr. 1991; B91-10133/NPO-17169; Improved Rotary Transformer for Shaft-Position Indicator.
NASA Tech Brief; Fall 1980; B80-10300/NPO-14861; 28-Channel Rotary Transformer.
NASA Tech Brief; Spring 1981; B81-10008/GSC-12595; Rotary Transformer Seals Power in.
NASA Tech Brief; Spring/Summer 82; B82-10108/NPO-15457; Split Coil Forms for Rotary Transformers.
NASA Tech Brief; Spring 85; B85-10013/NPO-16276; Resistive Fine Tuning of Resonant Circuit.
NASA Tech Brief; Summer 85; B85-10156/NPO-16270; Rotary Power Transformer and Inverter Circuit.
NASA Tech Brief; Feb. 87; B87-10082/MFS-19810; Noncontacting Measurement of Shaft Angle.
NASA Tech Brief; May 88; B88-10265/NPO-17120; Equations for Rotary Transformers.

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