Air flow meter

Details Air flow meter Air flow meter

1985-08-26

1987-12-01

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Proportional

G01F 168, G01F 500

Patent

active

047095814

ABSTRACT:
An air flow meter including an air flow rate measuring tube located in a main air passageway and having an air inlet portion and an air outlet portion of a bypass passageway formed therein. The air inlet portion is located substantially in a central portion of the cross-sectional surface of the main air passageway, and a hot wire type air flow sensor is mounted in the bypass passageway. The air flow meter is suitable for use with an internal combustion engine of an automotive vehicle.

REFERENCES:
patent: 3251225 (1966-05-01), Luft
patent: 3314290 (1967-04-01), Peranio
patent: 3374673 (1968-03-01), Trageser
patent: 3559482 (1971-02-01), Baker et al.
patent: 3769835 (1973-11-01), Obermaier et al.
patent: 4215565 (1980-08-01), Zanker
patent: 4393697 (1983-07-01), Sato et al.
patent: 4457169 (1984-07-01), Lauterbach et al.
patent: 4476720 (1984-10-01), Ismail et al.
Sauer, "Hot Wire Air Mass Meter-A New Air Flow Meter for Gasoline Fuel Injection Systems" in SAE Tech. Paper Series, 1980.

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