Electricity: motive power systems – Limitation of motor load – current – torque or force
Patent
1996-07-02
1998-09-01
Ro, Bentsu
Electricity: motive power systems
Limitation of motor load, current, torque or force
318471, 388903, 361 24, H02H 7085
Patent
active
058015035
ABSTRACT:
A temperature-compensating overcurrent detection circuit for a DC motor comprising a converter, an integrator and an overcurrent detector. The present invention provides for an overcurrent detection circuit for a DC motor that is adapted compensate for operating temperature of the motor's environment and such compensating detection circuit does not respond with an early forcible operation when the mechanical device is constrained. The overcurrent detection circuit is adapted to permit the motor to carry out its intended operation exactly without having malfunctions due to noise and a temporary overcurrent.
REFERENCES:
patent: 3942074 (1976-03-01), Graham
patent: 4381480 (1983-04-01), Hara et al.
Jo Hyun-min
Kim Yong-ho
Ro Bentsu
Samsung Electronics Co,. Ltd.
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