Driving apparatus for controlling an electric load in a vehicle

Details Driving apparatus for controlling an electric load in a vehicle Driving apparatus for controlling an electric load in a vehicle

1992-06-10

1994-06-28

Peckman, Kristine L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 13, 320 15, H02J 714

Patent

active

053250389

ABSTRACT:
The present invention supplies electric power from a battery to a starter and other specific electrical loads which are driven together with the starter with reduced power requirements on the battery. A driving apparatus for controlling an electric load is provided with a battery (1) for supplying the electric power to a starter motor (3) and an electric heater (20) which is attached to a catalyst for cleaning up exhaust gases from the engine. The terminal voltage of the battery (1) during starter motor (3) operation is detected, and the rate of on-off operation to supply the current to the electric heater (20) is controlled by means of a heater controller (5) in accordance with the detected terminal voltage. This conduction timing control is effected by a control circuit (40), being started a first specific time after the start of operation of the starter motor (3) and being ended a second specific time after the end of operation of the starter motor (3).

REFERENCES:
patent: 3949289 (1976-04-01), Day
patent: 4044293 (1977-08-01), Follmer
patent: 4127782 (1978-11-01), Omura et al.
patent: 4207511 (1980-06-01), Radtke
patent: 4684814 (1987-08-01), Radomski
patent: 4902956 (1990-02-01), Sloan
patent: 5136230 (1992-08-01), Gayler
patent: 5138246 (1992-08-01), Kobayashi
patent: 5175484 (1992-12-01), Witehira et al.
SAE Technical Paper Series No. 900503, W. A. Whittenberger et al., Mar. 2, 1990 pp. 61-70.

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