Circuit arrangement for power supply of a fan and/or battery by

Details Circuit arrangement for power supply of a fan and/or battery by Circuit arrangement for power supply of a fan and/or battery by

1994-10-24

1995-12-26

Ro, Bentsu

Electricity: motor control systems

Open loop speed control system for dc motor with commutator

Armature control by digital or combined analog and digital...

318480, 323234, 320 30, 136293, 454900, H02J 735, H02M 310

Patent

active

054795575

ABSTRACT:
Circuit arrangement for supplying power to a fan and/or battery from solar energy generator in a motor vehicle. A DC voltage converter using impedance matching between the solar energy generator and the fan or the battery includes a switch that is alternately opened and closed by a pulse-width-modulated operating signal, and is part of the circuit arrangement. To generate the operating signal, a microprocessor, a frequency generator and a pulse width modulator, which is acted on by the output signal of the frequency generator and a control signal of the microprocessor, are provided. These components also are used as components of an actuating device to displace a movable part of a sun roof, a changeover signal switching between use for charging a battery and/or powering a fan and use operating the sun roof. Thus, the circuit arrangement is able to fulfill multiple functions.

REFERENCES:
patent: 3816804 (1974-06-01), Cardwell, Jr.
patent: 4390940 (1983-06-01), Corbefin et al.
patent: 4468569 (1984-08-01), Norris
patent: 4556835 (1985-12-01), Vogel et al.
patent: 4916382 (1990-04-01), Kent
patent: 5089764 (1992-02-01), Bobier et al.
patent: 5213626 (1993-05-01), Paetz
patent: 5248278 (1993-09-01), Fuerst et al.
patent: 5270636 (1993-12-01), Lafferty
MPP-Tracking by Peter Adelmann, pp. 9-11 of the Jan., 1988 Sonnenenergie (Solar Energy).

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