Electric arbor integrated with an induction motor

Details Electric arbor integrated with an induction motor Electric arbor integrated with an induction motor

1988-07-25

1990-04-10

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

279 46R, 310 90, B23B 1902, H02K 516

Patent

active

049163418

ABSTRACT:
An electric arbor integrated with an induction motor (2), for frequencies up to and beyond 3000 Hz, is made up of a sleeve (3), made of two coaxial tubular parts (3' and 4") finished at the same time, assuring the identical distance (3"') achieving extreme precision of the arbor (1). The arbor shaft (23), supported by bearings (6, 6' and 6") is inserted into the sleeve (3). To the back end of the sleeve (3) is fastened the motor (2), whose stator core stack (4) is made with thin laminations and into said stator (4) is introduced insulating resin charged with substances improving the thermal conductivity. The rotor (5), mounted cantilevered on the arbor shaft (23), is made of thin condutive laminations, fastened by the damping resin, which, melted on the ends, form the short-circuit rings contained by the rings.

REFERENCES:
patent: 3972148 (1976-08-01), Beauchet et al.
patent: 4534686 (1985-08-01), Nakamura et al.
patent: 4573809 (1986-03-01), Jacob
patent: 4677719 (1987-07-01), Link
patent: 4796353 (1989-01-01), Mantovani

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