| 摘要 |
<p>The present invention relates to a spark-ignited gas engine 1 having an exhaust gas duct 6 and a cylinder head 1.2, said cylinder head 1.2 having at least one spark plug 2 with a prechamber 2.1 and an injector 2.2, said injector 4 being connected to the prechamber 2.1 for flushing the prechamber 2.1 with hydrogen, and having a thermal reformer 5 for generating hydrogen, whereas said reformer 5 is supplied with water and converts water into hydrogen according to the following reactions: R1: MOred + H20 «-» MOOX + H2 or R2: MOOX «-» MOred + 02, and the reformer 5 is connected to at least a part of the exhaust gas duct 6 for supplying the reformer 5 with heat and there are additional heating means 7.1, 7.2, said heating means 7.1, 7.2 being powered by a part of the gas the engine 1 is powered with in order to achieve the following exothermic oxidation reaction: R3: CH4 + 02 «-» 2H20 + C02, or R3' : CnHm + (n/2)02 «-» (m/2)H2 + nCO, whereby the heating means 7.1, 7.2 are thermodynamically coupled to the reformer 5 for additionally heating the reformer 5.</p> |
