Dynamoelectric machine

Details Dynamoelectric machine Dynamoelectric machine

1997-12-10

2000-02-01

Enad, Elvin

Electrical generator or motor structure

Printed-circuit motors and components

310 67R, 310 66, 310 68R, 310 71, 310 68B, 310 68C, 310 68D, 310 89, 310 90, 310214, 310215, H02K 1100

Patent

active

060206608

ABSTRACT:
A dynamoelectric machine includes a stator having a stator core. A winding is provided on the stator core and the stator core has a stator bore. A rotor including a rotor core is received in the stator bore. A permanent magnet is mounted on the rotor core periphery and a rotor shaft is mounted on the rotor core. Bearing means are provided for supporting the rotor shaft for rotation relative to the stator. A first circuit board having electrical components thereon is used in operating the dynamoelectric machine, and a second circuit board having an electrical component in the form of a sensing device thereon is used in determining the position of the rotor. The first circuit board is constructed for mounting the second circuit board thereon so that the second circuit board projects axially inwardly from the first circuit board and the sensing device is disposed in an axial position overlapping the axial position of the permanent magnet.

REFERENCES:
patent: 4755699 (1988-07-01), Schmider
patent: 4992688 (1991-02-01), Cap et al.
patent: 4998865 (1991-03-01), Nakanishi et al.
patent: 5369322 (1994-11-01), Maruyama et al.
patent: 5493161 (1996-02-01), Uno et al.
patent: 5798589 (1998-08-01), Ohi et al.
patent: 5831358 (1998-11-01), Bobay
patent: 5877574 (1999-03-01), Molnar
GE SME44 Motor Assembly, admitted prior art, see description and drawings attached, (No Date provided).

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