Voltage regulator device for rotary electric machine, bearing for rotary electric machine and rotary electric machine comprising such bearing

摘要

A voltage regulator device provided in a bearing of a rotary electric machine of a motor vehicle. The regulator device comprises a support and at least one electronic component configured to participate in the control of the electric machine. The support comprises a first part on which the at least one electronic component is mounted. The first part having an edge equipped with a brush holder provided with at least one brush-holder receptacle configured to accommodate a brush for making an electrical connection with a rotor of the electric machine. The device is configured to allow air to flow through the first part of the support, in contact with the brush holder. The device includes at least one air circulation slot provided through the support between the first part and the brush-holder. The support covers an air opening in the bearing.

主权项

1. A bearing of a rotary electrical machine equipped with a voltage regulator device supported by said bearing, said rotary electrical machine being an alternator or an alternator-starter of a motor vehicle, said voltage regulator device comprising:
a support (34); and at least one electronic component (28) configured to participate in the control of said electrical machine, said support (34) comprising a first part (60) where said at least one electronic component is mounted, said first part having an edge (62) equipped with a brush-holder (50) provided with at least one brush-holder receptacle configured to accommodate a brush (15) provided to establish an electrical connection with a rotor (3) of the electrical machine; said voltage regulator device configured to permit the circulation of air through said first part (60) of said support (34), in contact with said brush-holder (50), from one surface (61) to an opposite surface (61′) of said first part (60) of said support (34); wherein at least one air circulation slot (64) is provided through the support (34) between said first part and said brush-holder, wherein said support (34) covers at least one air opening (118) in said bearing (17), and wherein said at least one air circulation slot (64) is provided opposite said at least one air opening (118).