主权项 |
1. An airflow measuring device comprising:
a housing defining a bypass passage and a sub-bypass passage, the bypass passage configured to draw a part of air flowing through an interior of a duct, the sub-bypass passage branched from the bypass passage and configured to draw a part of air flowing through the bypass passage; a flow sensor equipped in the sub-bypass passage and configured to cause heat transfer with air, which passes through the sub-bypass passage, and to generate an electric signal according to a flow quantity of air in the duct; and a plurality of sensors, other than the flow sensor, configured to measure physical quantities of air in the duct, wherein the plurality of sensors includes an intake-air temperature sensor and a moisture sensor, the intake-air temperature sensor is configured to measure a temperature in the duct, the moisture sensor is configured to measure a humidity in the duct, and the flow sensor and the plurality of sensors are equipped in the sub-bypass passage and are located along a direction of flow of air in the sub-bypass passage. |