Patent · US Expired

Air flow rate measuring apparatus and air flow rate measuring method

US5750889A · kind A · utility

8Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1996
Grant dateMay 12, 1998
Priority date
Expiry dateFeb 13, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/72
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An air flow rate measuring apparatus for measuring an intake air amount of an internal combustion engine by use of a thermal air flow meter comprises means inputted with the output of the thermal air flow meter for correcting a response delay of the output and outputting the corrected output, and means inputted with the output of the correcting means for transforming it to a value corresponding to an air flow rate on the basis of the characteristic of the thermal air flow meter stored beforehand.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.