Acceleration detecting systems for internal combustion engines

Details Acceleration detecting systems for internal combustion engines Acceleration detecting systems for internal combustion engines

1986-01-31

1987-04-21

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

G01M 1500

Patent

active

046586407

ABSTRACT:
An acceleration detecting system for an internal combustion engine comprises air flow determining elements for determining intake air mass flow in an inlet channel provided to the engine and acceleration judging circuitry for judging an accelerating condition of the engine on the strength of an output of the air flow determining elements. The acceleration judging circuitry includes circuitry for detecting variations in the output of said air flow determining elements at intervals of a first predetermined period to produce a first variation output, circuitry for finding a first condition wherein the first variation output is equal to or larger than a first predetermined value, circuitry for detecting variations in the output of the air flow determining elements at intervals of a second predetermined period shorter than the first predetermined period or continuously to produce a second variation output, circuitry for finding a second condition wherein the second variation output is equal to or larger than a second predetermined value, and circuitry for sending out an acceleration signal when the first condition is found and in addition the second condition is found successively during a period which almost corresponds in duration to the first predetermined period and in which the first condition is found.

REFERENCES:
patent: 4527422 (1985-07-01), Honig et al.

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