Patent ID: 6085991
Filing Date: 2000-07-11
Classification: F02M

Abstract:
A fuel injector, comprising:an injector body having a first seal groove, a second seal groove a third seal groove, a longitudinal axis, said injector body having a spring chamber, an intensifier chamber, and a fuel chamber that is hydraulically coupled to a fuel supply passage and at least one nozzle opening, said fuel supply passage extends through said injector body between said first and second seal grooves, said injector body further having a drain passage that is in fluid communication with said spring chamber and extends through said injector body between said second and third seal grooves;an intensifier that is hydraulically coupled to said intensifier chamber and moves within said fuel chamber between a retracted position and an extended position; and,a spring that is located within said spring chamber and which biases said intensifier towards its retracted position.