Air flow meter for an automobile
US7478564B1 · kind B1 · utility
0Cited by
6References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 2008 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Apr 10, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F1/7048
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An air flow meter includes a tube having an exterior surface and an interior surface, which defines an interior space. A collector is disposed within the interior space of the tube and a plurality of transmission pins protrude from the interior surface of the tube. The plurality of transmission pins are configured to create ions when a voltage from a high voltage power supply is applied to the plurality of transmission pins. The collector is configured to collect the ions created by the plurality of transmission pins and output a collector signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.