The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2016
Filed:
Jul. 19, 2010
Wilhelm Christ, Ludwigsburg, DE;
Gerhard Suenderhauf, Tiefenbronn, DE;
Michael Leukart, Stuttgart, DE;
Katja Grothe, Stuttgart, DE;
Wilhelm Christ, Ludwigsburg, DE;
Gerhard Suenderhauf, Tiefenbronn, DE;
Michael Leukart, Stuttgart, DE;
Katja Grothe, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a fuel injection valve for injecting fuel into a combustion chamber of an internal combustion engine, having a nozzle needle () which is guided, such that it can perform a stroke movement, in a central bore () of a nozzle body () in order to open up or close off at least one injection opening (), wherein the nozzle needle () interacts, by means of an encircling sealing region () formed on the combustion-chamber-side end thereof, with a sealing seat () that runs conically and is formed on the combustion-chamber-side end of the nozzle body (). According to the invention, the sealing seat () that runs conically has an opening angle (α) of between 30° and 50°, preferably of between 40° and 50°.