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:
Apr. 20, 2004
Filed:
Nov. 06, 2001
Applicant:
Inventors:
Bernhard Bonse, Stuttgart, DE;
Friedrich Boecking, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 4/100 ;
U.S. Cl.
CPC ...
F02M 4/100 ;
Abstract
The invention concerns an injector for the injection of fuel into the combustion chambers of combustion engines. Inside an injector housing ( ) is located a nozzle needle ( ), which is surrounded by a nozzle chamber ( ). The nozzle needle ( ) is moveable back and forth within the injector housing, and is aligned by the guiding sections ( ) inside the injector housing ( ). A thick spring ( ) pressed the nozzle needle against the injector ( ) a ring canal ( ) is formed between injector housing ( ) and nozzle needle ( ) and a conical section ( ) of said nozzle needle ( ) follows in the direction towards the seat ( ).