| 摘要 |
<p>PURPOSE:To measure the suction rate of air of internal combustion engines provided with electronically controlled fuel injectors, etc. surely by providing a flow rectifying pipe in an air cleaner. CONSTITUTION:A flow rectifying tube 23 is communicated with the connection part of a suction conduit 13 in proximity to a flow rate detector 18 which measures the suction rate of the air sucked through a conduit 13 for suction into an engine 11 and an air cleaner 12 with the same axis as that of the conduit 13 and is provided so as to enter the air cleaner 12 part. The tube 23 is conducted into the conduit 13 through the cleaner 12 and regulates the flow of the air flowing in the flow rate measuring pipe 20 of the detector 18. By said regulation the output of the flow rate detector right under the air cleaner is stabilized effectively. Also, the variance among the individual output characteristics in the measurement of air flow is reduced, and the controlling of the air-to- fuel ratio at the internal combustion engine is stabilized effectively and is executed with high accuracy.</p> |
