Commutator brush with improved contact and non-contact zones

Details Commutator brush with improved contact and non-contact zones Commutator brush with improved contact and non-contact zones

2006-12-13

2011-10-18

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S243000, C310S244000, C310S248000, C310S249000, C310S252000, C310S245000, C310S253000

Reexamination Certificate

active

08040016

ABSTRACT:
The present invention relates to a brush10suitable for coming into contact with conducting plates12provided on an electric motor commutator11. According to the invention, the brush has a means15for adjusting its pole coverage between the start of life of the motor and its stabilized operation. This is therefore a brush with pole coverage that can be varied over its operating life. Such a brush is more particularly fitted into a motor for a ventilation (air conditioning) system for motor vehicle.

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patent: 10355813 (2005-06-01), None
patent: 813 649 (1959-05-01), None
French Office Action dated Sep. 19, 2006.
International Search Report and Written Opinion dated Apr. 11, 2007.

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