Air flow rate measuring apparatus and air flow rate measuring method
US5750889A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1996 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Feb 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.