Water-resistant electric motor

Details Water-resistant electric motor Water-resistant electric motor

2007-05-17

2009-02-17

Hanh, Nguyen N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07492071

ABSTRACT:
A water-resistant electric motor includes a housing for receiving an electric motor armature therein and an end cap for closing an open end of the housing. The housing includes a drive shaft aperture within a cylindrical recess that receives a journal bearing and a ring seal. The end cap includes a wire access hole for receiving power supply wires. Surrounding the wire access hole is a ridge with cut-outs. A wire cover plate is seated on top of the ridge and includes cut-outs that correspond to the cut-outs in the ridge so that the power supply wires are accommodated therein when the cover plate is secured to the ridge. The wire access hole includes a grommet to seal the hole.

REFERENCES:
patent: 3081411 (1963-03-01), Wiley
patent: 5767596 (1998-06-01), Stark et al.
patent: 5872414 (1999-02-01), Iijima
patent: 6674199 (2004-01-01), Long
patent: 2002/0117919 (2002-08-01), Williams et al.
patent: 2006/0261692 (2006-11-01), Wong et al.

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