Device for controlling and regulating current flowing through an

Details Device for controlling and regulating current flowing through an Device for controlling and regulating current flowing through an

1985-04-10

1987-01-06

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363132, H02P 1320, G05F 156

Patent

active

046351809

ABSTRACT:
A device for controlling and/or regulating current flowing through an electromagnetic consumer, particularly in a control system of an internal combustion engine, is based on the separation of the control of current intensity through the consumer from the control of the direction of this current. This separation is achieved by the provision of a bridge circuit of four current amplifying units whose one diagonal branch is formed by the electromagnetic consumer and the other diagonal branch is formed by a series connection of power source an additional current controlling unit and a measuring resistor. The additional current controlling unit is controlled by a separate current intensity control signal whereas the bridge circuit is controlled by another, current polarity control signal.

REFERENCES:
patent: 4099225 (1978-07-01), Nygaard
patent: 4325095 (1952-04-01), Hart
patent: 4410935 (1983-10-01), Dang
patent: 4520438 (1985-05-01), Norton

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