Regulator/brush-holder assembly for a motor-vehicle alternator, manufacturing process and corresponding alternator
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United States of America Patent
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Mar 31, 2015
Grant Date -
Jan 10, 2013
app pub date -
Dec 14, 2010
filing date -
Dec 18, 2009
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Abstract
The regulator/brush-holder assembly (1) comprises a support (2) and an electrical circuit (5, 6) comprising a regulating element (5) connected by microwires to a trace circuit (6). The electrical circuit further includes a filtering circuit (10) separate from the regulating element and connected by microwires to the trace circuit. According to one particular embodiment, the filtering circuit comprises an insulating substrate (11) and surface-mounted components (C1, C2, S1, S2, V). A ground plane (19) and/or one or more ground pads may be provided for connection to a ground trace of the trace circuit. The filtration frequencies of the filter circuit extend from 100 kHz to 1 GHz.
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