Apparatus and method of encapsulating motors

Details Apparatus and method of encapsulating motors Apparatus and method of encapsulating motors

1998-01-30

2000-10-24

Ortiz, Angela

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264276, B29C 4514, B29C 7070

Patent

active

061362506

ABSTRACT:
An apparatus and method of fabricating an electric motor encapsulates the major assemblies of the motor in protective encapsulating material. The method begins by assembling a blade and housing, a motor stator, a motor rotor and associated control circuitry into a complete electric fan. The operational characteristics of the complete fan are then tested to verify proper operation. The blade and rotor assemblies are then removed from the complete fan so that a mold may be positioned onto the fan. Encapsulating material is injected into the mold so as to encase the fan in the encapsulating material. The mold is removed and the blade and rotor assemblies are reinserted. Embodiments may use various encapsulating materials such as urethanes, silicones, or epoxies.

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patent: 5806169 (1998-09-01), Trago et al.
patent: 5853643 (1998-12-01), Bauer

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