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. 13, 2018
Filed:
Jun. 13, 2014
Applicant:
Hamilton Sundstrand Corporation, Windsor Locks, CT (US);
Inventors:
Raja Kountanya, Vernon, CT (US);
Michael A. Klecka, Vernon, CT (US);
Assignee:
HAMILTON SUNDSTRAND CORPORATION, Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 5/04 (2006.01); B22F 3/105 (2006.01); F01D 5/34 (2006.01); B23K 26/342 (2014.01); B23K 26/211 (2014.01); B23K 101/00 (2006.01);
U.S. Cl.
CPC ...
B22F 5/04 (2013.01); B22F 3/1055 (2013.01); B23K 26/211 (2015.10); B23K 26/342 (2015.10); B23K 2201/001 (2013.01); F01D 5/34 (2013.01); Y02P 10/295 (2015.11);
Abstract
A method of making an integrally bladed rotor with hollow blades. A plurality of segmented layers are sequentially placed to form each one of a plurality of blades on a radially outward surface of a hub. This is done using an additive manufacturing process. The placement of the segmented layers also comprises omitting portions of one or more of the plurality of segmented layers to form one or more cavities and intermittently removing a quantity of particles from the one or more cavities using an evacuation tool.