Patent · US Expired

Fuel injector

US6679435B1 · kind B1 · utility

16Cited by

4References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Klaus Noller · Oppenweiler, DE
Peter Asslaender · Grand Rapids, US
Hubert Stier · Asperg, DE
Hans Weldler · Hirschaid, DE

Key dates

Filing date	Dec 15, 2000
Grant date	Jan 20, 2004
Priority date	—
Expiry date	Dec 15, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49433
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injector for fuel injection systems of internal combustion engines has an electromagnetic actuating element including a magnet coil, a tubular internal pole and an external magnetic circuit part, a valve sleeve having an internal opening and thin walls and a movable valve closing body which works together with a valve seat assigned to a valve seating body. The valve seating body and the internal pole are fixedly arranged in the internal opening in the valve sleeve . The internal pole has a longitudinal slot formed by producing it by rolling and/or bending.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.