Air flow rate measuring device in an internal combustion engine

Details Air flow rate measuring device in an internal combustion engine Air flow rate measuring device in an internal combustion engine

1981-06-03

1983-10-04

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

7386176, G01M 1500

Patent

active

044071566

ABSTRACT:
An air flow rate measuring device is proposed for an internal combustion engine. The air flow rate measuring device includes a baffle valve disposed in the air intake tube and a signal generating circuit coupled therewith. A damping member is associated with the signal generating circuit. This damping member serves to damp the so-called over-swings in the output signal caused by the sluggishness of the baffle valve and thereby avoid incorrect fuel metering. Two embodiments of damping members are disclosed, both comprising resistor-capacitor combinations together with a diode, in which the stored capacitor charge assumes the function of damping the output signal of the signal generating circuit.

REFERENCES:
patent: 3093794 (1963-06-01), Brooks et al.
patent: 3354714 (1967-11-01), Condon et al.
patent: 4040295 (1977-08-01), Romann

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