| 摘要 |
A thermal flow detecting apparatus is provided for detecting fluid flow in a flow passage. The thermal flow detecting apparatus includes a bypass passage portion defining therein a bypass passage through which fluid bypasses the flow passage. The thermal flow detecting apparatus further includes a detecting element that is provided in the bypass passage portion. The detecting element is arranged at a location eccentrically displaced from a center of a cross section of the bypass passage portion. The thermal flow detecting apparatus further includes a throttle portion provided upstream of the detecting element in the bypass passage portion for throttling the cross section partially on a side of the detecting element.
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