Intake air quantity measuring apparatus

Details Intake air quantity measuring apparatus Intake air quantity measuring apparatus

1989-09-01

1990-11-27

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

7320418, G01M 1500

Patent

active

049727028

ABSTRACT:
The invention is directed to an arrangement for measuring intake air quantity and producing an output signal with a slow approach to the final value of the signal effectively compensated. A measuring bridge senses a flow speed of the intake air and a measuring circuit provides a first signal in response to the flow speed. A differentiator differentiates the first signal and provides a second signal. An adder receives the first and second signals, and adds the latter to the former to produce the output signals. The arrangement may be provided with a limiter which limits an input or an output of the differentiator to a predetermined value.

REFERENCES:
SAE Technical Paper No. 880560, Feb. 29-Mar. 4, 1988.

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