Cylindrical coreless vibrating motor

Details Cylindrical coreless vibrating motor Cylindrical coreless vibrating motor

1995-10-23

1999-03-30

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, 310 81, 310 90, 310 89, 310266, H02K 2126, H02K 504, H02K 708

Patent

active

058893490

ABSTRACT:
A coreless motor device having a rotor comprised of a cylindrical coil, a coil support, a rotary shaft inserted and stabilized in the center of the coil support, and a commutator installed either on the coil support or rotary shaft is disclosed. A cylindrical field magnet is positioned on the inside of the cylindrical coil, and one end of the cylindrical field magnet is affixed at a bottom of a cylindrical housing that surrounds the outer circumference of the cylindrical coil. The rotary shaft of the motor is supported by a thrust bearing at the end of the cylindrical field magnet opposite the end that is affixed at the bottom of the cylindrical housing, and it is also supported by a multiple number of radial bearings installed at intervals on the upper part of the cylindrical housing.

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