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:
Jan. 29, 2019
Filed:
May. 27, 2015
Robert Bosch Gmbh, Stuttgart, DE;
Thorsten Stoeberl, Ludiwigsburg-Hoheneck, DE;
Dirk Welting, Weissach, DE;
Rainer Haeberer, Bretten, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to an injection device (), in particular for an exhaust aftertreatment system of an internal combustion engine, comprising a pressure-controlled, outward-opening fuel injection valve () that includes an axially movable valve piston () which penetrates a flow opening () in a valve body () and one end of which has a valve tip (), further comprising a valve seat () associated with the flow opening (), and at least one spring element () which urges the valve piston () comprising the valve tip () against the valve seat () so that the flow opening () is closed; the valve tip () is axially movable inside a flow chamber () formed by the valve body () and by an injection orifice disk () that includes a plurality of injection ports ().