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:
Mar. 04, 2025
Filed:
Dec. 01, 2020
Robert Bosch Gmbh, Stuttgart, DE;
Gerhard Girlinger, Leonding, AT;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a fuel injector for injecting fuel under high pressure, comprising a housing () equipped with a nozzle needle () which can be moved in a longitudinal direction and a seal surface () of which opens and closes one or more injection openings (), fuel being injectable via said injection openings. A control chamber () which can be filled with fuel exerts a hydraulic pressure onto the nozzle needle () in the closing direction thereof, wherein the pressure in the control chamber () can be influenced by a control valve () in that the control valve () opens and closes a hydraulic connection between the control chamber () and a low-pressure chamber (). The control valve () comprises a solenoid armature () which interacts with a control valve seat () in order to open and close the hydraulic connection, said solenoid armature () being radially guided in the housing () on the exterior () of the solenoid armature.