| 摘要 |
A fuel delivery system for an engine is disclosed which includes an injector ( 20 ) and a housing ( 3 ) for supporting a fuel injector ( 20 ). A regulator ( 202, 313 ) is provided for regulating the pressure of fluid in the housing to maintain the pressure at about supply pressure, and the pressure downstream of the regulator at a low pressure so that fuel which passes the regulator is able to evaporate. The evaporated fuel is supplied to a heater ( 250 ) to heat the fuel, and the vapour is supplied to a vapour injector ( 260 ) for injection into the engine. The passage of the liquid petroleum gas fuel through the housing ( 3 ) cools the injector ( 20 ) to maintain the fuel in a liquid state, and therefore prevent boiling of the vapour within the injector. |
