Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2008-07-01
2008-07-01
Lam, Thanh (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S071000, C310S06800R, C310S098000
Reexamination Certificate
active
11377731
ABSTRACT:
An electric drive (1) with a motor housing (16), a bearing plate (4), an electrically insulating brush holder plate (3) with formed-on plug housing (11), a printed circuit board (13) with plug lugs14which project through plug recesses of the brush holder plate (3) into the plug housing (11), where the brush holder plate (3) serves as a carrier for the printed circuit board (13). The objective of the invention is to present an electric drive which can be securely mounted and handled in an economical manner in which many electric and electronic components are accommodated in a space-saving manner and which has good interference suppression characteristics. This objective is realized according to the invention by the fact that a sensor (23) is mechanically and electrically connected to the printed circuit board (13), the bearing plate (4) is electrically conductive, the printed circuit board (13) comprises tracks on both sides, the sensor (23) is held in a recess (25) of the printed circuit board (13), and a ground track (27) of the printed circuit board (13) faces the bearing plate (4) and is in direct electrical contact with it and mechanically fastened to it.
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Buehler Motor GmbH
Jacobson & Holman PLLC
Lam Thanh
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