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. 04, 2003
Filed:
Jun. 11, 2001
Applicant:
Inventors:
James T. Singer, Ney, OH (US);
Richard G. Hilvers, Ft. Jennings, OH (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 3/304 ; B22D 1/724 ;
U.S. Cl.
CPC ...
B22D 3/304 ; B22D 1/724 ;
Abstract
In assembly of engine block mold package, a water jacket slab core is assembled on a barrel crankcase core having a plurality of barrels on which cylinder bore liners are positioned. Some of the barrels include a core print on a distal end thereof. The water jacket slab core includes a plurality of core prints each in mating relation with a respective barrel core print and a plurality of bore liner positioning surfaces that each engage a respective distal end of a respective cylinder bore liner when the water jacket slab core is assembled on the barrels.