Air flow rate measurement apparatus

Details Air flow rate measurement apparatus Air flow rate measurement apparatus

1996-02-15

1998-07-14

Chilcot, Richard

Measuring and testing

Volume or rate of flow

Proportional

G01F 168

Patent

active

057807353

ABSTRACT:
Disclosed is an air flow rate measurement apparatus comprising a heating resistor and a temperature sensing resistor for detecting an intake-air flow rate to be sucked into an internal combustion engine, and a circuit module for outputting an electric signal corresponding to said intake air flow rate, said module being electrically connected to said heating resistor and said temperature sensing resistor. The apparatus is featured in that said heating resistor and said temperature sensing resistor are inserted together with an element for measuring an intake air temperature through an opening formed in the wall of an air passage so that said three elements are located in said air passage and the module is fixed to the air passage. The apparatus is of low cost and small sized.

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