Commutator arrangement for a small electric motor

Details Commutator arrangement for a small electric motor Commutator arrangement for a small electric motor

2005-12-13

2005-12-13

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S237000, C310S0400MM

Reexamination Certificate

active

06975058

ABSTRACT:
A commutator arrangement for a small electric motor with a capacitor ring disk having several capacitor elements, wherein the capacitor ring disk is made of a dielectric first ring disk (RS) on whose upper side several sector-shaped electrode layers (6) are placed. Each of the electrode layers (6) are electrically conductively connected with a commutator segment (13). Counter electrodes of the capacitor elements are provided on an under side opposite the upper side. To improve the interference suppression features a single counter electrode layer (4), which underlies almost the entire surface of the electrode layer (6), is provided on the under side so that the counter electrodes of all capacitor elements have the same potential.

REFERENCES:
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patent: 4533848 (1985-08-01), Nakamura
patent: 6144133 (2000-11-01), Steffan et al.
patent: 2 336 643 (1974-01-01), None
patent: 0 551 740 (1993-07-01), None
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patent: 6-169558 (1994-06-01), None
patent: 2001-061260 (2005-06-01), None
patent: 1700665 (1991-12-01), None

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