Patent · US Expired

Fuel injection valve

US5016821A · kind A · utility

3Cited by

6References

7Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Waldemar Hans · Bamberg, DE
Wilhelm Kind · Bamberg, DE
Manfred Kirchner · Nuremberg, DE
Siegfried Werner · Erlangen, DE

Key dates

Filing date	Mar 19, 1990
Grant date	May 21, 1991
Priority date	—
Expiry date	Mar 19, 2010

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S239/90
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injection valve comprising a housing, a valve seat located in the housing, and a valve needle having a peg at an end thereof which peg defines with a downstream opening of a nozzle body located in the housing and forming the valve seat an annular space. A platelet is located between the nozzle body and a processing sleeve connected with the housing. The platelet has a plurality of bores extending from the annular space.

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