| 摘要 |
PROBLEM TO BE SOLVED: To provide an intake manifold measurement device capable of exactly measuring the concentration of EGR gas in gas mixture caused to flow into an air cylinder from an intake manifold.SOLUTION: An intake manifold measurement device includes: a concentration meter 12 which measures the concentration of an exhaust gas component in gas mixture caused to flow into air cylinders 62, 62... from each intake branch pipe 41a in an intake manifold 41; measurement pipes 52, 52... which are arranged between the intake manifold 41 and respective air cylinders 62, 62... and communicate inner parts of the respective intake branch pipes 41a, 41a... and inner parts of the respective cylinders 62, 62...; and a concentration detection port 52a formed in the middle part in the measurement parts 52, 52.... Therein, a probe 14 of the concentration meter 12 measures the concentration of the exhaust gas component in the gas mixture while being inserted to an inner part of the measurement pipe 52 via the concentration detection port 52a. |
