Brushed Direct Current Motor and Brake System for Vehicle Using The Same
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United States of America Patent
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N/A
Issued Date -
Feb 13, 2014
app pub date -
Jul 12, 2013
filing date -
Aug 10, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In a brushed direct current motor including a stator that is provided with 2×P magnetic poles (P is odd and greater than or equal to three), an armature core rotatably held with respect to the stator and includes P×N±2 teeth (N is an even and greater than or equal to four) in a circumferential direction, a commutator held so as to integrally rotate with the armature core and includes commutator segments, the number of the commutator segments being the same as that of the teeth, a winding wound around the teeth in a double-wave form, and two anode brushes and two cathode brushes arranged in sliding contact with the commutator, a width angle WB of each of the brushes in sliding contact with the commutator is set so as to satisfy a relation of “WB>WP+WI”.
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Cited Art Landscape
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