Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-12-08
2000-06-06
Ramirez, Nestor
Electrical generator or motor structure
Dynamoelectric
Rotary
310 86, 310194, H02K 5128, H02K 118
Patent
active
060722622
ABSTRACT:
A slot-less motor for super high speed driving by which a stator coil is not detached from a housing even at a super high speed of rotation of the slot-less motor, and an air gap flux density for super high speed driving is easily obtained and is uniformly maintained, the slot-less motor employing a stator coil bonded to an inner surface of a housing for maintaining an air gap with a rotor magnet fixed to a rotor shaft to form a stator, wherein the slot-less motor comprises a cylindrical stator ring made of material with low relative magnetic permeability and disposed between a magnet and a stator coil in order to maintain an air gap flux density appropriate for super high speed rotation, and for being distanced from the magnet at a predetermined space to press the stator coil and to be fixed by a coupling unit for fixation and keep within a predetermined space.
REFERENCES:
patent: 2698911 (1955-01-01), Schaefer
patent: 2919359 (1959-12-01), Luenberger
patent: 4086508 (1978-04-01), Masumoto et al.
patent: 4492889 (1985-01-01), Fukushi et al.
patent: 4514652 (1985-04-01), Olson
patent: 4709180 (1987-11-01), Denk
patent: 5396138 (1995-03-01), Steiner
patent: 5455470 (1995-10-01), Denk et al.
Mullins Burton S.
Ramirez Nestor
Samsung Electronics Co,. Ltd.
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