Shaft-fixed-type motor

Details Shaft-fixed-type motor Shaft-fixed-type motor

1997-12-24

1999-08-31

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 91, 310 42, 310 43, H02K 516, G11B 1700

Patent

active

059457520

ABSTRACT:
A shaft-fixed-type motor comprises a motor frame having a frame through hole formed therein, a fixed shaft having a shaft through hole at a center and fixed to the motor frame and a rotary member having a shaft hole into which the fixed shaft is inserted, and rotatably supported with respect to the fixed shaft. The motor also includes a hydrodynamic bearing mechanism arranged between an outer surface of the fixed shaft and an inner surface of the shaft hole, a rotor assembly integrally configured with the rotary member, a stator assembly installed to the motor frame and positioned opposite the rotor assembly and a joining member having a head portion and a shaft portion. The joining member is for fixing the fixed shaft to the motor frame by inserting the shaft portion into the shaft through hole of the fixed shaft and the frame through hole of the motor frame and plastically deforming an opposite end from the head portion.

REFERENCES:
patent: 4177545 (1979-12-01), Lambertz
patent: 5097164 (1992-03-01), Nakasugi et al.
patent: 5555211 (1996-09-01), Bernett

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