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:
Jan. 11, 2005
Filed:
Nov. 30, 2000
Klaus Joos, Walheim, DE;
Jens Wolber, Gerlingen, DE;
Thomas Frenz, Noerdlingen, DE;
Hansjoerg Bochum, Leinfelden, DE;
Markus Amler, Leonberg-Gebersheim, DE;
Klaus Joos, Walheim, DE;
Jens Wolber, Gerlingen, DE;
Thomas Frenz, Noerdlingen, DE;
Hansjoerg Bochum, Leinfelden, DE;
Markus Amler, Leonberg-Gebersheim, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A fuel delivery system for an internal combustion engine, having a fuel feed pump, which delivers fuel which is at pilot pressure to a high-pressure fuel pump that communicates on the high-pressure side with at least one injection valve, in order to deliver fuel at high pressure to the injection valve or valves. To prevent vapor bubble development in the high-pressure fuel pump, which impairs its pumping capacity and pressure generation, a coolant medium flow can be delivered to the high-pressure fuel pump via at least one coolant conduit, in order to keep the temperature (T) of the high-pressure fuel pump below a critical operating temperature (T).