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:
Nov. 11, 2003
Filed:
Nov. 15, 2001
Horst Harndorf, Schwieberdingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention concerns an injection system for the injection of fuel into the combustion chambers of combustion engines. The injection system embraces a high pressure collecting area ( ) (Common Rail), which is supplied across a high pressure pump ( ) and provides fuel under high pressure to a number (n−1) of injectors ( ). The individual injectors each possess an injection nozzle ( ) which is opened and closed by means of a vertically moveable nozzle pin ( ). In a high pressure conduit ( ) disposed after the high pressure collecting area ( ) and leading to the injectors ( ) there is provided a first flowthrough valve ( ). A run-off conduit ( ) is operated by means of a further flowthrough valve ( ) disposed close to the nozzle.