Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
1999-08-12
2001-03-06
Mullins, Burton (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S238000, C310S06700R, C310S06800R, C310S071000
Reexamination Certificate
active
06198192
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention pertains to a brush-holding device with components for electrical connection, for temperature monitoring, and noise suppression of electromotors.
A brush-holding device of this kind is known, for example, from EP 489 940 A1. A disadvantage of this retaining device is its large space requirement in the axial and radial directions. The axial space requirement is caused, in particular, by a separate conductive plate for the electrical components, which is positioned at a distance from the first conductive plate in a second plane, and is supplied with current from a separate contact element. The contact element likewise extends primarily in the axial direction. The total required installation length of the brush-holding device and the assembly of the separate contact element are disadvantages.
SUMMARY OF THE INVENTION
The purpose of the present invention is to create a particularly compact brush-holding device in which making electrical contact to the electrical components is simple, and can be implemented without separate contact elements or wiring.
This problem is solved in that the conductive plate is a single piece and one of its planes is aligned with, and axially offset from, the commutator. With these features, on the one hand, a separate contacting of the offset plane is unnecessary, and on the other hand, the available space is optimally utilized.
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ITT Manufacturing Enterprises Inc.
Lewis J. Gordon
Mullins Burton
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