Sampling probe flow sensor

Details Sampling probe flow sensor Sampling probe flow sensor

1988-09-30

1990-04-10

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Proportional

7386361, G01F 168

Patent

active

049149474

ABSTRACT:
A mass air flow sensor having a probe body defining a first arcuate passageway connecting a flow entrance opening aligned with an axis and a flow exit opening offset from the axis so that contaminants suspended in fluid flowing through the first passageway are driven by centrifugal force toward the outer wall thereof. A second passageway is connected to a sampling port in the inner wall of the first passageway, and has located therein a flow detector of the type having a thin film heater and at least one thin film heat sensor spaced from the heater along the direction of flow.

REFERENCES:
patent: 4215565 (1980-08-01), Zanker
patent: 4457169 (1984-07-01), Tauzerbach et al.

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