Apparatus for detecting intake pressure in internal combustion e

Details Apparatus for detecting intake pressure in internal combustion e Apparatus for detecting intake pressure in internal combustion e

1990-01-31

1991-07-16

Raevis, Robert

Measuring and testing

Vehicle drive train

Rear end

G01M 1500

Patent

active

050314505

ABSTRACT:
A method for detecting an intake pressure in an internal combustion engine which comprises detecting the intake pressure in the engine and at least one engine driving condition, variably setting a sampling period of the intake pressure to a sampling period, according to the engine driving condition, which is substantially different from a pulsation period of the intake pressure, sampling processing the intake pressure according to the sampling period set to set the value obtained by the sampling processing as a final detected value of the intake pressure, whereby the reliable sampling of the intake pressure is performed even if the intake pressure is pulsated.

REFERENCES:
patent: 4271797 (1981-06-01), McCarbery
patent: 4388825 (1983-06-01), deValpillieres
patent: 4475381 (1984-10-01), Nakatomi et al.
patent: 4600993 (1986-07-01), Pauwels et al.

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