Electronically commutated electric motor and method for production thereof
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United States of America Patent
Stats
-
Nov 22, 2016
Grant Date -
Apr 16, 2009
app pub date -
Mar 27, 2006
filing date -
May 20, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electronically commutated electric motor has an internal stator (18) and an external rotor (24). They are separated by an air gap (23). A circuit board (68) equipped with openings (58′, 70′, 72′) is arranged on the internal stator (18). The internal stator (18) has a lamination stack (22) that is equipped with a winding arrangement (60; 86, 88) whose terminals are implemented at least in part as wire segments (86E, 88E, 90). The lamination stack (22) of the internal stator (18) is covered, at least locally, by an insulating layer (20) made of a thermally stable plastic. Implemented on said layer are supporting elements (58; 70, 72) that project from the internal stator (18) toward the circuit board (68) and serve to secure wire segments (86E, 88E, 90) of the winding arrangement (86, 88). These supporting elements (58, 70, 72), with the wire segments mounted thereon, are each arranged in an associated opening (58′, 70′, 72′) of the circuit board (68) and are there soldered thereto.
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