| 摘要 |
<p>PURPOSE:To reduce stains for improving durability while providing a high accuracy output property by providing flow arranging gratings such as honeycomb, fin, etc., in a bypass path section in a flow mesuring section provided to cross a main air path. CONSTITUTION:Air sucked in a body 1 is diversed into a main air path 5 and bypass path inlet 6. Air entering the inlet 6 passes through a bypass path 6a disposed parallel to the main air path 5, passes through a bypass path 6b in a flow mesasuring section 7 provided to cross the main air path 5 and joins in the main air path 5 from a bypass path outlet 10. The bypass path 6b in the flow measuring section 7 is provided with a flow arranging grating 11 such as honeycomb, fin, etc. Thus, since air entering an inlet 6 flows through the bypass path 6b in the flow measuring section 7 without causing air turbulence, an exothermic resistor 3 can detect air flow under the best condition without receiving any air turbulence.</p> |
