This invention relates to a the tip structure of a fuel injector as used in a internal combustion engine. Internal combustion engines using Homogeneous Charge Compression Ignition (HCCI) technology require a tip structure that directs fuel spray in a downward direction. This requirement necessitates...http://www.google.es/patents/US6564772?utm_source=gb-gplus-sharePatente US6564772 - Injector tip for an internal combustion engine
