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.:

US 9719358 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 01, 2017

Filed:

Apr. 27, 2016
Applicant:

Rolls-royce Plc, London, GB;

Inventors:

Christopher Neale, Bristol, GB;

Marta Villasante Llarena, Bristol, GB;

Assignee:

ROLLS-ROYCE plc, London, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/10 (2006.01); B22C 9/24 (2006.01); B22D 25/02 (2006.01); F01D 5/18 (2006.01); B22D 29/00 (2006.01); B22D 30/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/187 (2013.01); B22C 9/10 (2013.01); B22C 9/101 (2013.01); B22C 9/24 (2013.01); B22D 25/02 (2013.01); B22D 29/001 (2013.01); B22D 30/00 (2013.01); F01D 5/186 (2013.01); F05D 2220/32 (2013.01); F05D 2230/21 (2013.01); F05D 2230/211 (2013.01);
Abstract

A method for casting a turbine blade body comprises; providing a mold defining the external geometry of the blade body; providing a core defining an internal geometry of the blade body, the core comprising a main body defining an internal chamber of the blade body and having a root end and a tip end and a plurality of pedestals defining an array of cooling channels extending from the internal chamber; casting a molten material between the mold and the core; and removing the core after the molten material has solidified, wherein the pedestals are arranged in a single row starting from the root end to a mid-portion of the main body branching into multiple and divergent rows towards the tip end of the body.


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