Driving apparatus and a driving method for a single phase motor

Details Driving apparatus and a driving method for a single phase motor Driving apparatus and a driving method for a single phase motor

2007-03-08

2009-12-08

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

C318S268000, C318S254100

Reexamination Certificate

active

07629758

ABSTRACT:
A driving apparatus and a driving method for a single phase motor utilizes a driving transistor unit, and an auxiliary driving transistor unit to provide two driving currents with the same direction as the single phase coil. Next, a control unit is used to control the conducting and shutting down of the driving transistor unit and the auxiliary driving transistor unit according to the location of the rotating device of the single phase motor. Thereby, the driving current on the single phase coil recirculates to reduce the vibration and noise of the single phase motor, and prevent the problem of the single phase motor not turning on.

REFERENCES:
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patent: 6144235 (2000-11-01), Marano et al.
patent: 6157151 (2000-12-01), Yoshitomi et al.
patent: 6563284 (2003-05-01), Teutsch et al.
patent: 6909252 (2005-06-01), Xi
patent: 7002307 (2006-02-01), Yoshitomi et al.

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