Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1999-06-03
2000-09-12
LaBalle, Clayton
Electrical generator or motor structure
Dynamoelectric
Rotary
310 68D, 310254, 310208, 310179, 310180, H02K 1100, H02K 100, H02K 300, H02K 304, H02K 112
Patent
active
061182036
ABSTRACT:
An x-ray generating device having an improved high efficiency motor is disclosed. The x-ray generating device comprises a cathode assembly and an anode assembly arranged opposite each other in a vacuum vessel. According to the invention, the anode assembly is coupled and rotated by the rotor of a high efficiency motor which has near traditional gaps by positioning the motor stator assembly in close proximity to the rotor of the motor and applying a same potential to both the stator core and the rotor. The stator assembly further includes poly-phase stator winding coils arranged on the stator core. The coils are electrically insulated from the stator core, and they are supplied with poly-phase AC signals from a motor controller to induce magnetic interactions and rotate the rotor and the anode assembly. Thus, the present invention provides for electrical isolation between the x-ray operating potential and the reference potential of the motor controller without the need for a separate isolation transformer which negatively impacts cost, efficiency and reliability.
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Cabou Christian G.
General Electric Company
LaBalle Clayton
Perez Guillermo
Price Phyllis Y.
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