Sampling probe flow sensor

Details Sampling probe flow sensor Sampling probe flow sensor

1988-06-30

1989-08-15

Orsino, Joseph A.

Measuring and testing

Volume or rate of flow

Proportional

7320421, G01F 168

Patent

active

048563285

ABSTRACT:
A mass air flow sensor having a tubular probe body located within and aligned with a venturi passageway. The probe body has a channel therethrough connecting openings located at high and low pressure regions in the venturi passageway. The openings are configured to cause at least a 90 degree change in direction of air flowing therethrough from the venturi passageway to protect a fragile flow sensor in the channel from damage by suspended contaminants.

REFERENCES:
patent: 4412449 (1983-11-01), Eiermann et al.
patent: 4457169 (1984-07-01), Lauterbach et al.
patent: 4776213 (1988-10-01), Blechinger et al.

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