Electricity: motive power systems – Braking – Dynamic braking
Patent
1998-01-28
2000-03-14
Martin, David
Electricity: motive power systems
Braking
Dynamic braking
318245, 318759, 318781, H02P 312
Patent
active
060377291
ABSTRACT:
A braking circuit for braking an electric motor having an armature and run and brake windings, which includes a switching circuit disposed between a source of electrical power and the run winding, this circuit being operable to disconnect the run winding from the source of electrical power. The braking circuit further includes a switching mechanism operable to connect the brake winding in order to brake the electric motor. The switching mechanism preferably connects the brake winding after a predetermined period of time has elapsed from the disconnection of the run winding. This braking circuit can be used in a saw for braking the saw's blade.
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Spampinato David M.
White Paul S.
Woods Samuel G.
Ayala Adan
Black & Decker Inc.
Martin David
LandOfFree
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