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7369960 |
Device and method for detecting an angular position of a rotating object
In detecting the time at which a rotating object passes a given angular position, a value range of an angular position sensor output signal which varies relatively rapidly with angular position...
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6833688 |
Loop-type voltage regulating device
A loop-type voltage regulating device, particularly for regulating a voltage of an automotive electric system that includes at least one thermal engine, a voltage regulator and an alternator...
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6791301 |
Device for control of the excitation current for a three phase generator
The invention relates to an apparatus for regulating the exciter current for a rotary-current generator. It has a voltage source, a rectifier, three phase windings, an evaluation unit, and a...
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6696773 |
Vehicle generator control system
A generator control system of a vehicle AC generator includes a field coil, a first polyphase armature winding, a second polyphase armature winding, a first rectifier connected to the first...
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6621251 |
Phase voltage controlled voltage regulator of vehicle AC generator
A voltage regulator of a vehicle AC generator includes a rotor having a plurality of magnetic poles, a field coil for polarizing magnetic poles, an armature having an armature core with a plurality...
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6566845 |
Automotive alternator having detector for detecting initiation of rotation
An alternator for use in an automotive vehicle includes a circuit for detecting initiation of rotation of an engine. Upon detecting the initiation of rotation, excitation current supply to a field...
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6555993 |
Voltage regulating system of a vehicle AC generator for charging a battery
A voltage regulating system of an AC generator for charging a battery of a nominal voltage includes a rotor having magnetic poles, a field coil, an armature winding, a full-wave rectifier unit...
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6534959 |
Voltage sensing for automotive voltage regulator
A voltage regulator for control of a vehicle generator. The voltage regulator is selectably responsive to a voltage representing the generator output voltage at the alternator output terminal, or...
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