Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1997-05-16
1999-09-14
LaBalle, Clayton
Electrical generator or motor structure
Dynamoelectric
Rotary
310 71, 310 81, H02K 3310, H02K 1100, H02K 706, H02K 7075
Patent
active
059527455
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.
REFERENCES:
patent: 3445692 (1969-05-01), Kato
patent: 4786889 (1988-11-01), Hayasaka
patent: 5107155 (1992-04-01), Yamaguchi
patent: 5600193 (1997-02-01), Matsushima et al.
patent: 5749737 (1998-05-01), Zuin
LaBalle Clayton
Namiki Precision Jewel Co. Ltd.
Robinson Eric J.
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