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. 24, 1998
Filed:
Aug. 26, 1997
Applicant:
Inventors:
Janusz Kwiatkowski, Stuttgart, DE;
Eduard Zaiss, Stuttgart, DE;
Assignee:
Daimler-Benz AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123568 ; 123585 ;
Abstract
In a cast cylinderhead of a multi-cylinder internal combustion engine wherein gas flow channels (exhaust gas and intake air flow channels) and at least one longitudinal gas flow passage with branch passages extending between the longitudinal gas flow passages and particular gas flow channels are formed in the cylinderhead, the gas flow channels, any longitudinal gas flow passage and all the branch passages are formed by a single-piece casting core structure.