Fuel injection nozzle for two-stage fuel injection

摘要: A fuel injection nozzle comprising a needle valve which is lifted away from seat against the spring force of pressure by receiving to be injected. The lift thus causes injected into combustion chamber an internal engine. takes place in two stages, particular reducing amount initial injection, reduce engine knock. This accomplished provision movable, cylindrical plunger abuts at certain thereof and restricts further being subjected Thus, increase rate restricted optimum level.