About 13 results
https://drivepatents.com/patents/981033 · 11 Dec 2013
To perform charging control of a secondary battery efficiently. A charging control apparatus 1 that controls a state of charge of a secondary battery installed in a vehicle by a regulator possessed by an alternator is provided. The charging control apparat...
https://drivepatents.com/patents/993280 · 6 Feb 2013
An apparatus and method for compensating power of electrical load in a vehicle using a high-capacitance capacitor is provided. The high-capacitance capacitor rapidly discharges current to compensate power when voltage output from a generator and battery ha...
https://drivepatents.com/patents/1074304 · 14 Sep 2005
The device comprises a generator which includes an excitation winding and a rectifier system, and which is connected over two connections (B+, B-) with a voltage regulator. The rectified, regulated generator voltage is supplied to one of the connections (B...
https://drivepatents.com/patents/1077854 · 11 May 2005
The method for controlling voltage supply in a vehicle on-board electrical system comprises adjusting the voltage to an upper or lower threshold value, depending on the operating conditions. Sensors (14), e.g. light or rain sensors, produce signals indicat...
https://drivepatents.com/patents/1088697 · 24 Mar 2004
An intelligent charging system (10) for an engine is disclosed that provides bi-directional information flow between a voltage regulator (2) and a powertrain control module (PCM). The powertrain control module establishes a voltage regulator setpoint by tr...
https://drivepatents.com/patents/1089231 · 3 Mar 2004
The present invention relates to variable speed constant frequency (VSCF) devices and methods for maximizing engine generator efficiency. In one embodiment, a VSCF device may include at least two paths for conducting power to the load. One path, a line ind...
https://drivepatents.com/patents/1098149 · 26 Feb 2003
A control system for a vehicle generator (1) comprises a controller (2) for controlling a field current of the generator (1), thereby controlling an output voltage of the generator. The controller (2) is programmed to:send to the generator (1), if vehicle ...
https://drivepatents.com/patents/1098864 · 22 Jan 2003
A generator (18) wake-up system that transitions the voltage regulator (26) from a low power, sleep mode to full voltage regulation mode when the wake-up system detects and confirms a valid frequency of rotation of the generator (18). The wake-up system in...
https://drivepatents.com/patents/1099696 · 18 Dec 2002
A control unit of a vehicle generator is provided which is capable of instantaneously stopping power generation in a safe manner with an inexpensive system configuration without the need of interrupting a large current when a key switch is turned off. The ...
https://drivepatents.com/patents/1100431 · 13 Nov 2002
A refresh charge control device which counts a time after achieving a fully charged condition of a battery (10) by last refresh charge and an accumulative value of a charge and discharge electric current. Plural relationship between the time and the accumu...