Air flow meter

Details Air flow meter Air flow meter

1980-07-14

1983-02-15

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

Thermal type

73118, G01F 168

Patent

active

043733875

ABSTRACT:
An air flow meter comprises an air velocity measuring resistor and a temperature compensating resistor and is installed in a bypass passage provided at an intake passage running through an air horn. The air velocity measuring resistor and the temperature compensating resistor are supported by lead wires whose portions exposed in the bypass passage have the same length. A cover forming the bypass passage is made of heat insulating synthetic resin material to prevent heats from being transmitted to the resistors.

REFERENCES:
patent: 2624199 (1953-01-01), Boyer
patent: 3363462 (1968-01-01), Sabin
patent: 3747577 (1973-07-01), Mauch et al.
patent: 3891391 (1975-06-01), Boone
patent: 4083244 (1978-04-01), Agar et al.
patent: 4264961 (1981-04-01), Nishimura et al.

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