Motor having closed magnetization circuit formed by the...

Details Motor having closed magnetization circuit formed by the... Motor having closed magnetization circuit formed by the...

1995-07-07

2002-04-09

Mullins, Burton S. (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S254100, C310S256000

Reexamination Certificate

active

06369475

ABSTRACT:

SUMMARY OF THE INVENTION
The present invention relates to a motor, and in particular to a closed magnetization circuit formed by the casing which holds the rotating motor shaft at axially opposed sides of the rotor. This arrangement has the following advantages compared to traditional motors:
(1) the rotor can be exposed for better heat dissipation;
(2) the overall height of the motor can be reduced;
(3) the weight and cost of the motor can be reduced;
(4) the surface of the exposed rotor can directly form a driving element for certain applications.


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