| 摘要 |
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.
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