Fuel injection valve for internal combustion engines
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
N/A
app pub date -
Jan 13, 2006
filing date -
Jul 17, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An injection valve and method of producing it, the injection valve having a lower part of a longitudinal housing embodied as a valve seat element containing a valve seat part. The valve seat part includes a valve seat provided with injection openings, and is embodied as a nozzle body which is separate from the valve seat element and connected to the same. An injection valve member is guided in the housing in a longitudinally displaceable manner and co-operates with the valve seat in order to close and open the injection openings. The outer side of the valve seat part is provided with a seat surface formed by the envelope surface of a circular cone. The seat surface is used to position the valve seat part on a bearing surface on the valve seat element, also formed by the envelope surface of a circular cone. The half opening angles of the circular cones fixing the seat surface and the bearing surface are selected in such a way that the nozzle bodies are held in the valve seat element in a self-locking and sealing manner.
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