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. 27, 1993
Filed:
Dec. 23, 1991
Applicant:
Inventors:
Kurt Oblander, Kernen, DE;
Ludwig Fricker, Stuttgart, DE;
Alexander Anderson, Stuttgart, DE;
Hans-Karl Weining, Esslingen, DE;
Selcuk Geldec, Talheim, DE;
Ralf Krukenberg, Aichwald, DE;
Gerhard Fingerle, Kongen, DE;
Assignee:
Mercedes-Benz AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60284 ; 60307 ; 123531 ; 1235591 ; 123585 ;
Abstract
The invention relates to a mixture-compressing internal-combustion engine with secondary-air injection and with air-mass measurement as well as with an injection valve sequential fuel injection and air assistance, the air line provided for air assistance being equipped with a shut-off valve opening in the starting and the warmup phase of the internal-combustion engine.