Rotary machine with motor embedded in the rotor
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United States of America Patent
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Jul 19, 1988
Grant Date -
N/A
app pub date -
Nov 24, 1986
filing date -
Nov 25, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary machine having two meshing rotors (14,15) rotatable in intersecting bores (12,13). The bore walls are provided with a number of electrical windings (18,19) being stator windings of an electric motor in which the pump rotors (14,15) are the rotors of the electric motor. The electrical windings are connected to an inverter which creates rotating magnetic fields which rotate the rotors.
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