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:
Jul. 07, 2020
Filed:
Jul. 25, 2016
Robert Bosch Gmbh, Stuttgart, DE;
Jochen Wessner, Esslingen, DE;
Martin Katz, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a device for metering two different liquid or gaseous fuels, comprising a nozzle element () in which a first pressure chamber () that can be filled with a first fuel is formed, wherein an outer nozzle needle () is received in the pressure chamber in a longitudinally movable manner. The outer nozzle needle () is equipped with a second pressure chamber () which can be filled with a second fuel and in which an inner nozzle needle () is arranged in a longitudinally movable manner, said inner nozzle needle interacting with an inner nozzle seal () formed in the outer nozzle needle () in older to open and close at least one inner injection opening (). Furthermore, at least one outer injection opening () is provided which can be connected to the first pressure chamber (), the at least one outer injection opening () being formed in the outer nozzle needle ().