Apparatus and method for protecting starter for engine...

Details Apparatus and method for protecting starter for engine... Apparatus and method for protecting starter for engine...

2005-11-01

2005-11-01

Salata, Jonathan (Department: 2837)

Electricity: motive power systems

Limitation of motor load, current, torque or force

C361S025000

Reexamination Certificate

active

06960897

ABSTRACT:
A method and an apparatus for protecting an engine starter of a motor vehicle against overheating with enhanced reliability by controlling turn-on/off of the starter in dependence on a conducting current of the starter, a starter temperature and an ambient temperature. The apparatus includes a voltage detecting system (1) for measuring a supply voltage (Vs) of the engine starter, a voltage waveform information detecting system (11) for detecting at least one of frequency information and amplitude information of a waveform representing variation of the supply voltage (Vs) as voltage waveform information (T), an a conduction time control system (12, 12A) for controlling a conduction time period of the engine starter in accordance with the voltage waveform information (T).

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