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:
Aug. 14, 2001
Filed:
Jul. 28, 1999
Manfred Ruoff, Moeglingen, DE;
Horst Harndorf, Schwieberdingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A dual-substance nozzle (,) for injecting fuel and supplementary fluid into a combustion chamber of an internal combustion engine, having a nozzle body (,) with at least one inlet bore (,) for delivery of fuel at high pressure into the dual-substance nozzle (,), and nozzle bores (,) for injecting fuel from the dual-substance nozzle into the combustion chamber. A jacket (,), preferably metal, is disposed around the nozzle body (,) enclosing at least one hollow chamber (,), adjoining the outside of the nozzle body (,) and extending around the nozzle body (,) for receiving supplementary fluid. A feed line (,) for delivering supplementary fluid at high pressure into the hollow chamber and one or more injection nozzles for injecting supplementary fluid from the hollow chamber into the combustion chamber are provided. The injection of fuel and supplementary fluid are separate, insuring no mixing thereof upstream of the combustion chamber.