Load driving control system for vehicle equipped with microcompu

Details Load driving control system for vehicle equipped with microcompu Load driving control system for vehicle equipped with microcompu

1996-05-28

1998-12-08

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

701 29, F01P 1100, G06F 700

Patent

active

058483667

ABSTRACT:
A load driving control system for an automotive vehicle having a load such as an electric motor for a radiator fan. The load driving control system comprises a microcomputer storing a load driving necessariness decision program by which a decision is made as to whether driving of the load is necessary or not in accordance with the detected vehicle operating condition so as to output one of load driving necessariness and unnecessariness commands. A load driving circuit is provided to provide a driving current in response to the load driving necessariness command, thereby driving the load. Additionally, a load compulsorily driving requirement circuit is provided to compulsorily drive the load when the microcomputer stops outputting each command even though an ignition key switch is turned ON.

REFERENCES:
patent: 4168456 (1979-09-01), Isobe
patent: 4409933 (1983-10-01), Inoue
patent: 4425766 (1984-01-01), Claypole
patent: 4481585 (1984-11-01), Huntzinger et al.
patent: 4977862 (1990-12-01), Aihara et al.
patent: 5307644 (1994-05-01), Cummins et al.
patent: 5609125 (1997-03-01), Ninomiya

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