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:
Oct. 12, 1999
Filed:
Oct. 24, 1997
Bernd Sigle, Weinstadt, DE;
Christoph Spengel, Grossbettlingen, DE;
DaimlerChrysler A.G., Stuttgart, DE;
Abstract
In a cylinder head for a multi-cylinder internal combustion engine, wherein the cylinder head includes between its bottom top and side walls a cooling water space through which intake and exhaust passages extend and also columns with bores for receiving cylinder head mounting bolts and well structures for receiving spark plugs or fuel injectors and the bottom wall delineates at its lower side a combustion chamber for each cylinder, wall structures are cast onto the top side of the cylinder head bottom wall and extend in the circumferential area of each combustion chamber in transverse and longitudinal directions between adjacent columns with which they are integrally formed and at least the transverse wall structures extend upwardly and join the top wall and the intake and exhaust passages extend through, and are joined to, the longitudinal wall structures.