| 摘要 |
The plant in question comprises a device 10 min -11 for interrupting the travel of the lever 6 that controls the injection pump 2 and is connected to the accelerator 10, and a mixer group 12 placed along the manifold 4 for the induction of air to the cylinders, comprising two separate parallel pipes 13-14, the first of which, namely pipe 13, provided with a first throttle valve 15 movable between two extreme positions, that is to say a position for opening the air passage when the engine is running on diesel oil, and a portion for closing the air passage when the engine is running on a mixture of diesel oil and gas; and the second of which, namely pipe 14, provided with a Venturi tube 17 and with a second throttle valve 16 for blocking the air passage, movable continuously and connected to the accelerator 10, the said Venturi tube 17 being connected to a pipe 21 for the supply of gas at low pressure; the said pipes being jointly provided with an air passage area at least identical to that required for maximum engine air induction. |
