| 摘要 |
PURPOSE:To test distinctively a multicylinder engine, cylinder by cylinder, by obtaining a cylinder identification signal from the signal of the ignition plug of the 1st cylinder and the pulse signal of the driving torque of a driving motor. CONSTITUTION:A testing engine 2 is rotated by the driving motor 1 and the pluse signal (d) of the driving torque is detected by a pulse signal detecting means 20. This pulse signal (d) and a No.1 pulse (b) as the pulse signal of the ignition plug of the 1st cylinder are sent to each cylinder identification output means 22 of a cylinder signal output device 21. When a 4-cylinder engine 2 is tested, the signal (d) is outputted in the order of the 1st, the 3rd, the 4th, and the 2nd cylinders, so the 1st cylinder is identified with the signal (d) and No.1 pulse (a) and then the 3rd, the 4th, and the 2nd cylinders are identified. Singnals classified by the cylinders are outputted from the output means 22 and the test is taken by using pieces of information classified by the cylinders. |
