CIRCUIT BOARD ASSEMBLY FOR COMPACT BRUSHLESS MOTOR

A motor assembly includes a stator having a stator core, stator windings, and an end insulator configured to electrically insulate the stator core from the stator windings; a rotor rotatably received within the stator; a bearing bridge received at least partially within an inner portion of the end i...

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Bibliographische Detailangaben
Hauptverfasser:	Rydin, Marcus E. E, Ayers, Justin H, Cochran, Kristopher, Jefferies, Dustin, Mori, Sumiteru, Smith, David J
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR DYNAMO-ELECTRIC MACHINES ELECTRICITY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HAND TOOLS HEATING LIGHTING MANIPULATORS MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A motor assembly includes a stator having a stator core, stator windings, and an end insulator configured to electrically insulate the stator core from the stator windings; a rotor rotatably received within the stator; a bearing bridge received at least partially within an inner portion of the end insulator and including a main body forming a center pocket arranged to support a bearing of the rotor shaft; and stator terminals supported by the end insulator and extending away from the stator. A circuit board assembly is provided including: an annular body mounted in contact with the main body of the bearing bridge and located radially inward of the stator terminals, and a circuit board mounted on the annular body and being electrically connected to the stator terminals.