Rotary machine with motor embedded in the rotor

Details Rotary machine with motor embedded in the rotor Rotary machine with motor embedded in the rotor

1986-11-24

1988-07-19

Croyle, Carlton R.

Pumps

Motor driven

Motor within rotary pumping member

417410, 418179, 418201, 310 67, 310 87, F04B 1700, H02K 500

Patent

active

047581328

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.

REFERENCES:
patent: 1780339 (1930-11-01), Canton
patent: 2161374 (1939-06-01), Moineau
patent: 2557879 (1951-06-01), Lewis et al.
patent: 2640428 (1953-06-01), Houghton
patent: 2871793 (1959-02-01), Michie et al.
patent: 3558246 (1971-01-01), Philipp

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