Internal combustion engine having a LPG feeding system

摘要

A LPG injection system for an internal combustion engines comprises a return conduit (6) which takes the LPG fed in excess to the injectors (2) back to the tank (5). In the return conduit (6) there is not interposed any pressure regulator. Furthermore this conduit (6) ends with a non-return valve (7) which prevents a flow within conduit (6) towards the rail (1) for feeding the LPG to the injectors (2).