| 摘要 |
PURPOSE:To surely prevent reverse rotation, in an internal combustion engine provided with a secondary air introducing passage connected to an exhaust device, by detecting pressure in an intake manifold with a pressure switch and operating an engine stopper device with an output signal of said pressure switch. CONSTITUTION:A key switch 11, ignition coil 13, etc. are interposed between a battery 12 and spark plug 18 to form an ignition device, and a pressure switch 20, turned ON with a contact when pressure in a manifold is detected positive, and a driving stopper device, consisting of a relay switch 31 containing said switch 20, are connected in series to the key switch 11 in the ignition device. Then a contact A of the relay switch 31 is opened at ON time of the pressure switch 20 to cut off a feed of power to the spark plug 18 and stop an engine. |
