Low pressure LPG vapor fuel injection

摘要

An internal combustion engine (14) having a fuel supply system (10) for supplying propane vapor to the intake system of the engine. Multi-point fuel injectors (30) are located at each cylinder (12) for primary delivery of the propane vapor. In addition, an engine controller (36) activates supply orifices (34), when needed, to supplement the amount of propane vapor delivered by the fuel injectors (30).