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. 13, 2004
Filed:
Jan. 30, 2002
Applicant:
Inventors:
Axel Linke, Bad Nenndorf, DE;
Stefan Kellermann, Barsinghausen, DE;
Assignee:
TRW Deutschland GmbH, Barsinghausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02N 3/00 ;
U.S. Cl.
CPC ...
F02N 3/00 ;
Abstract
A valve having a sleeve-like screening element for protecting an internal combustion engine against deposits in a region extending up from a hollow throat to a stripping edge. The screening element has a separate contactor guide surface for the combustion air supplied to the combustion chamber whose surface temperature is lower than the critical temperature for deposits at which fuel particles coke.