Direct-current motor

Details Direct-current motor Direct-current motor

2008-04-01

2008-04-01

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S233000, C310S261100

Reexamination Certificate

active

07352100

ABSTRACT:
A stator of a direct current motor includes six magnetic poles. An armature of the direct current motor includes an armature core having eight slots, a plurality of windings wound around the armature core as concentrated windings, and a commutator having twenty-four segments connected to the windings. The plurality of windings are connected to one another to form a single closed loop. The direct current motor further includes an anode power supply brush and a cathode power supply brush that slidably contact the segments. The aspect ratio, which is the ratio of the diameter of the armature core with respect to the length in the axial direction of the armature core is set to a range of 3.2 through 5.6. This increases the constraint torque/mass ratio of the direct current motor.

REFERENCES:
patent: 4394597 (1983-07-01), Mas
patent: 6819025 (2004-11-01), Egawa et al.
patent: 7116029 (2006-10-01), Kerlin
patent: 7157828 (2007-01-01), Moroto et al.
patent: 2002/0167232 (2002-11-01), Randall
patent: 2003/0111921 (2003-06-01), Honkura et al.
patent: 2005/0067918 (2005-03-01), Holter et al.
patent: 2005/0168089 (2005-08-01), Miyashita et al.
patent: 2006/0012259 (2006-01-01), Kerlin
patent: 2006/0220489 (2006-10-01), Osawa et al.
patent: 2003-259582 (2003-09-01), None
patent: 2004-88915 (2004-03-01), None

Affiliated with

Also associated with

Rating

Direct-current motor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Direct-current motor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Direct-current motor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2768393