Electric motor
A miniature PMDC motor has a wound rotor 15 comprising a rotor core 16 and a commutator 17 mounted on a shaft 14. A cooling fan 20 is directly mounted onto the commutator 17 by use of a mechanical snap-fit type connection. Projections 29 on the commutator mate with recesses in the fan 20 to prevent...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A miniature PMDC motor has a wound rotor
15
comprising a rotor core
16
and a commutator
17
mounted on a shaft
14.
A cooling fan
20
is directly mounted onto the commutator
17
by use of a mechanical snap-fit type connection. Projections
29
on the commutator mate with recesses in the fan
20
to prevent relative rotational movement and detents including resilient fingers
23
and projection surfaces
34
hold the fan axially. |
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