Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2008-01-08
2010-06-08
Lam, Thanh (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S074000
Reexamination Certificate
active
07732961
ABSTRACT:
A combined generator with built-in eddy-current magnetic resistance including a rotor and a stator iron core with generating coils winding therearound. The rotor consists of an outward turning type inertia flywheel and permanent magnets. A self-generated supply is achieved when the flywheel is driven by a fitness apparatus or a rehabilitation apparatus. An internal ring (A magnet-conductive ring) between the wheel hub and the external ring of the flywheel is extended from the internal wall toward the opening end. The internal diameter of the stator iron core is greater than the external diameter of the magnet-conductive ring such that a magnetic field gap is created. At least one receiving portion is formed in at least one portion of the internal circumference of the stator iron core for receiving at least one solenoid. The power required by the solenoid is supplied by the self-generated system such that the solenoid produces a magnetic field (by input of the power), thereby providing the magnet-conductive ring coupled to and rotated on the inertia flywheel with an eddy-current magnetic resistance. In this way, a reverse resistance acts from the inside on the inertia flywheel such that a braking effect is achieved.
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Lam Thanh
Rosenberg , Klein & Lee
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