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. 16, 1990
Filed:
Mar. 31, 1988
Applicant:
Inventor:
Karl-Heinz Siebels, Stuttgart, DE;
Assignee:
Daimler-Benz AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ; F02M / ; F02M / ; F02M / ;
U.S. Cl.
CPC ...
123514 ; 123510 ;
Abstract
A low pressure fuel system with fuel preheating for an air-compressing, injection internal combustion engine, in which system, a heat exchanger effective at low fuel temperature with a down-stream fine filter is provided in a supply main leading to the high pressure injection pump and a shut-off valve controlled as a function of the fuel temperature is provided in a return main leading away from the high pressure injection pump.