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:
Mar. 27, 2001
Filed:
Jul. 20, 1999
Applicant:
Inventors:
Herbert Smetan, Rehlingen, DE;
Klaus Lellig, Rehlingen, DE;
Assignee:
VAW alucast GmbH, Dillingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 7/518 ;
U.S. Cl.
CPC ...
F02B 7/518 ;
Abstract
In an engine block having cylinder cavities arranged close together, a cooling duct is produced in an intermediate wall between the cylinders by pouring the casting material around a mold core made preferably from a material that is soluble in a liquid, combustible and/or brittle, so that the mold core can easily be removed from the duct once the casting has solidified. In the casting mold, the duct mold core is secured solely at its ends so that a cooling duct is formed that is bordered exclusively by a skin of casting material.