Control apparatus for internal combustion engine

Details Control apparatus for internal combustion engine Control apparatus for internal combustion engine

1990-03-06

1991-04-02

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123479, 36443111, F02D 4122, F02P 515

Patent

active

050039512

ABSTRACT:
A control apparatus for internal combustion engine which controls running of an internal combustion engine by use of a microcomputer, and which is provided with a signal processing circuit with a higher operating voltage than that of the microcomputer and a control circuit which invalidates an output of the signal processing circuit or lowers the control level in response to this output when the voltage of the signal processing circuit becomes to have a predetermined low value. Even if the voltage of the signal processing circuit becomes so low that a wrong signal should be outputted, there occurs no disadvantage in running control of the internal combustion engine.

REFERENCES:
patent: Re32667 (1988-05-01), Staerzl
patent: 4120270 (1978-10-01), Asano et al.
patent: 4320729 (1982-03-01), Sawada et al.
patent: 4521769 (1985-06-01), Dudeck et al.
patent: 4541386 (1985-09-01), Kishi et al.
patent: 4587939 (1986-05-01), Hemminger et al.
patent: 4599696 (1986-07-01), Takahashi
patent: 4606316 (1986-08-01), Komurasaki

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