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:
Apr. 02, 2024
Filed:
Apr. 06, 2023
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Ryan C. Breneman, Newington, CT (US);
Markian Stephan Blazejowskyj, Wethersfield, CT (US);
Blake Matthew Wilmore, Glastonbury, CT (US);
Assignee:
RTX Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 9/04 (2006.01); B22C 9/10 (2006.01); B22C 9/12 (2006.01); B22C 9/26 (2006.01); F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
B22C 9/04 (2013.01); B22C 9/103 (2013.01); B22C 9/12 (2013.01); B22C 9/26 (2013.01); F01D 5/187 (2013.01); F05D 2230/21 (2013.01);
Abstract
A casting method includes passing a metallic spacer through respective apertures in at least two ceramic cores to an installed condition wherein the spacer defines a minimum local separation between the at least two cores. The spacer has a shank and at least one arm extending from the shank. A sacrificial pattern material is molded over the metallic spacer and the at least two ceramic cores and then shelled and fired. An alloy is cast in the shell the shell is removed from the cast alloy.