| 摘要 |
Safety device for an internal combustion engine operated with fuel gas, provided for the purpose of preventing unburnt mixture from flowing through the internal combustion engine into the exhaust system, with a vaporizer 4, which is provided with a pressure-controlled throttle and closing valve 8 and is provided with a mixer 13, from which an intake pipe 1 leads to the inlet members of the internal combustion engine, a solenoid valve 17 controlled as a function of the position of the ignition switch being provided, which is arranged on or in an auxiliary line 16 in such a way that the intake pipe 1 can be connected to the control pressure chamber 10 of the throttle and closing valve 8 by way of the solenoid valve 17. <IMAGE>
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