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. 20, 2015
Filed:
Jul. 23, 2013
Southwest Research Institute, San Antonio, TX (US);
Barry E. Westmoreland, Adkins, TX (US);
Douglas A. McKee, Helotes, TX (US);
Marc C. Megel, La Vernia, TX (US);
Mark A. Tussing, San Antonio, TX (US);
Thomas E. Reinhart, Boerne, TX (US);
David P. Branyon, San Antonio, TX (US);
SOUTHWEST RESEARCH INSTITUTE, San Antonio, TX (US);
Abstract
A hybrid ceramic/sand casting method of manufacturing a metal part. The method is especially suitable for manufacturing engine cylinder blocks or cylinder head, which have very small internal passages or other very small internal features. These parts are formed using a hybrid core having at least one ceramic section and at least one sand section, with the ceramic section being used to create the internal feature. A mold cavity is created for the part, and the hybrid core is positioned in the mold. Molten metal is introduced into the mold, and after the metal cools, the core is removed, thereby forming the part with the internal feature.