Fuel injector

US6299079A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Klaus Noller · Oppenweiler, DE
• Werner Hanft · Hallstadt, DE
• Dieter Maier · Rettenberg, DE
• Hubert Stier · Asperg, DE
• Hans Weidler · Hirschaid, DE
• Guenter Dantes · Eberdingen, DE
• Detlef Nowak · Untergruppenbach, DE
• Werner Schneider · Erbach, DE

Key dates

• Filing date: May 12, 2000
• Grant date: Oct 9, 2001
• Expiry date: May 12, 2020

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02M61/165
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A fuel injector for fuel-injection systems of internal combustion engines includes two preassembled, independent assemblies. A functional part includes an electromagnetic circuit and a sealing valve, while a connection part is formed mainly by a hydraulic connection and an electrical connection. In the ready-mounted injector, electrical connecting elements and hydraulic connecting elements of both assemblies cooperate, thus ensuring a reliable electrical and hydraulic connection An extrusion coat in the interconnection region provides mechanical joining of both assemblies, great stability of the valve and sufficient imperviousness.